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Average Weather at Hallock Municipal Airport Minnesota, United States

At Hallock Municipal Airport, the summers are long and warm; the winters are frigid, dry, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from -3°F to 81°F and is rarely below -24°F or above 90°F.

Based on the tourism score, the best time of year to visit Hallock Municipal Airport for warm-weather activities is from late June to late August.

Climate Summary

freezingcoolwarmcoolcoldfreezingJanFebMarAprMayJunJulAugSepOctNovDec73%73%35%35%clearovercastprecipitation: 3.4 inprecipitation: 3.4 in0.2 in0.2 inmuggy: 23%muggy: 23%0%0%drydrytourism score: 6.6tourism score: 6.60.00.0
Click on each chart for more information.

Temperature

The warm season lasts for 4.2 months, from May 14 to September 20, with an average daily high temperature above 67°F. The hottest day of the year is July 27, with an average high of 81°F and low of 57°F.

The cold season lasts for 3.3 months, from November 27 to March 4, with an average daily high temperature below 28°F. The coldest day of the year is January 15, with an average low of -3°F and high of 15°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

Average Hourly Temperature at Hallock Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMfrigidfrigidcoldcoldcoolcomfortablewarmfreezingfreezingvery cold
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Rayevskiy, Russia (5,152 miles away); Ust-Kamenogorsk, Kazakhstan (5,622 miles); and Pokrovka, Russia (5,396 miles) are the far-away foreign places with temperatures most similar to Hallock Municipal Airport (view comparison).

Clouds

At Hallock Municipal Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year at Hallock Municipal Airport begins around May 25 and lasts for 4.6 months, ending around October 11. On July 31, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 73% of the time, and overcast or mostly cloudy 27% of the time.

The cloudier part of the year begins around October 11 and lasts for 7.4 months, ending around May 25. On February 13, the cloudiest day of the year, the sky is overcast or mostly cloudy 65% of the time, and clear, mostly clear, or partly cloudy 35% of the time.

Cloud Cover Categories

Cloud Cover Categories at Hallock Municipal AirportclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 3173%Jul 3173%Feb 1335%Feb 1335%May 2554%May 2554%Oct 1154%Oct 1154%clearpartly cloudyovercastmostly cloudymostly clear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Hallock Municipal Airport varies significantly throughout the year.

The wetter season lasts 4.1 months, from May 6 to September 10, with a greater than 23% chance of a given day being a wet day. The chance of a wet day peaks at 40% on June 21.

The drier season lasts 7.9 months, from September 10 to May 6. The smallest chance of a wet day is 5% on January 28.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation at Hallock Municipal Airport changes throughout the year.

Rain alone is the most common for 8.2 months, from March 14 to November 20. The highest chance of a day with rain alone is 40% on June 21.

Snow alone is the most common for 3.7 months, from November 20 to March 14. The highest chance of a day with snow alone is 7% on January 3.

Daily Chance of Precipitation

Daily Chance of Precipitation at Hallock Municipal AirportsnowrainsnowJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jun 2140%Jun 2140%Jan 285%Jan 285%Mar 149%Mar 149%Nov 209%Nov 209%May 623%May 623%Sep 1023%Sep 1023%rainmixed
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Hallock Municipal Airport experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.6 months, from March 26 to November 13, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 18, with an average total accumulation of 3.4 inches.

The rainless period of the year lasts for 4.4 months, from November 13 to March 26. The least rain falls around January 3, with an average total accumulation of 0.0 inches.

Average Monthly Rainfall

Average Monthly Rainfall at Hallock Municipal AirportrainJanFebMarAprMayJunJulAugSepOctNovDec0 in1 in2 in3 in4 in5 in6 in7 inJun 183.4 inJun 183.4 inJan 30.0 inJan 30.0 inMar 260.5 inMar 260.5 inNov 130.5 inNov 130.5 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Hallock Municipal Airport experiences some seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.0 months, from October 22 to April 23, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around December 31, with an average total liquid-equivalent accumulation of 0.3 inches.

The snowless period of the year lasts for 6.0 months, from April 23 to October 22. The least snow falls around July 28, with an average total liquid-equivalent accumulation of 0.0 inches.

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall at Hallock Municipal AirportsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.5 in1.0 in1.5 in2.0 in2.5 in3.0 in3.5 inDec 310.3 inDec 310.3 inJul 280.0 inJul 280.0 inMar 160.2 inMar 160.2 inOct 220.1 inOct 220.1 in
The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.

Sun

The length of the day at Hallock Municipal Airport varies extremely over the course of the year. In 2018, the shortest day is December 21, with 8 hours, 16 minutes of daylight; the longest day is June 21, with 16 hours, 10 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight at Hallock Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2016 hr, 10 minJun 2116 hr, 10 minJun 2112 hr, 11 minSep 2212 hr, 11 minSep 228 hr, 16 minDec 218 hr, 16 minDec 21nightnightday
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 5:24 AM on June 16, and the latest sunrise is 2 hours, 57 minutes later at 8:20 AM on December 31. The earliest sunset is at 4:31 PM on December 11, and the latest sunset is 5 hours, 4 minutes later at 9:34 PM on June 25.

Daylight saving time (DST) is observed at Hallock Municipal Airport during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time at Hallock Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 165:24 AMJun 165:24 AM9:34 PMJun 259:34 PMJun 25Dec 114:31 PMDec 114:31 PM8:20 AMDec 318:20 AMDec 31Mar 11DSTMar 11DSTDSTNov 4DSTNov 4daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunset
The solar day over the course of the year 2018. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Hallock Municipal Airport experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.9 months, from June 10 to September 7, during which time the comfort level is muggy, oppressive, or miserable at least 6% of the time. The muggiest day of the year is July 20, with muggy conditions 23% of the time.

The least muggy day of the year is November 30, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels at Hallock Municipal AirportmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Nov 300%Nov 300%Jul 2023%Jul 2023%Jun 106%Jun 106%Sep 76%Sep 76%drydrymuggymuggyhumidhumidcomfortablecomfortableoppressiveoppressive
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Hallock Municipal Airport experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 8.5 months, from September 15 to May 31, with average wind speeds of more than 10.8 miles per hour. The windiest day of the year is April 1, with an average hourly wind speed of 12.3 miles per hour.

The calmer time of year lasts for 3.5 months, from May 31 to September 15. The calmest day of the year is July 27, with an average hourly wind speed of 9.2 miles per hour.

Average Wind Speed

Average Wind Speed at Hallock Municipal AirportwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mph16 mph18 mph20 mphApr 112.3 mphApr 112.3 mphJul 279.2 mphJul 279.2 mphSep 1510.8 mphSep 1510.8 mphMay 3110.8 mphMay 3110.8 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction at Hallock Municipal Airport varies throughout the year.

The wind is most often from the south for 1.4 months, from May 25 to July 5; for 2.1 months, from July 15 to September 18; and for 1.0 months, from October 15 to November 15, with a peak percentage of 36% on August 19. The wind is most often from the north for 1.4 weeks, from July 5 to July 15; for 3.9 weeks, from September 18 to October 15; and for 6.3 months, from November 15 to May 25, with a peak percentage of 32% on October 6.

Wind Direction

Wind Direction at Hallock Municipal AirportNSSNSNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westsouthnortheast
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Best Time of Year to Visit

To characterize how pleasant the weather is at Hallock Municipal Airport throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Hallock Municipal Airport for general outdoor tourist activities is from late June to late August, with a peak score in the last week of July.

Tourism Score

Tourism Score at Hallock Municipal Airportbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468106.66.60.00.0 precipitationprecipitationcloudscloudstemperaturetemperaturetourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Hallock Municipal Airport for hot-weather activities is from early July to mid August, with a peak score in the last week of July.

Beach/Pool Score

Beach/Pool Score at Hallock Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec02468104.04.00.00.0 precipitationprecipitationcloudscloudstemperaturetemperaturebeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Growing Season

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Hallock Municipal Airport typically lasts for 4.3 months (132 days), from around May 13 to around September 23, rarely starting before April 22 or after June 1, and rarely ending before September 2 or after October 11.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season at Hallock Municipal Airportgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 1350%May 1350%Sep 2350%Sep 2350%Jun 190%Jun 190%Sep 290%Sep 290%Apr 2210%Apr 2210%Oct 1110%Oct 1110%0%Feb 150%Feb 15Jul 14100%Jul 14100%frigidfreezingcoolcomfortablewarmcoldvery cold
The percentage of time spent in various temperature bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms at Hallock Municipal Airport should appear around May 2, only rarely appearing before April 21 or after May 21.

Growing Degree Days

The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.6 months, from May 1 to August 20, with an average daily incident shortwave energy per square meter above 5.7 kWh. The brightest day of the year is July 11, with an average of 6.9 kWh.

The darker period of the year lasts for 3.5 months, from October 27 to February 12, with an average daily incident shortwave energy per square meter below 2.3 kWh. The darkest day of the year is December 19, with an average of 1.1 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy at Hallock Municipal AirportbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJul 116.9 kWhJul 116.9 kWhDec 191.1 kWhDec 191.1 kWhMay 15.7 kWhMay 15.7 kWhOct 272.3 kWhOct 272.3 kWhFeb 122.3 kWhFeb 122.3 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Hallock Municipal Airport are 48.752 deg latitude, -96.943 deg longitude, and 814 ft elevation.

The topography within 2 miles of Hallock Municipal Airport is essentially flat, with a maximum elevation change of 36 feet and an average elevation above sea level of 814 feet. Within 10 miles is essentially flat (174 feet). Within 50 miles contains only modest variations in elevation (856 feet).

The area within 2 miles of Hallock Municipal Airport is covered by cropland (84%) and artificial surfaces (10%), within 10 miles by cropland (96%), and within 50 miles by cropland (83%).

Data Sources

This report illustrates the typical weather at Hallock Municipal Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Hallock Municipal Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Hutson Field; Gretna, Man.; Cavalier Municipal Airport; Grand Forks International Airport; Grand Forks Air Force Base; Crookston Municipal Airport-Kirkwood Field; Walhalla Municipal Airport; and Thief River Falls Regional Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.