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Spring Weather at Sandpoint Airport Idaho, United States

Daily high temperatures increase by 26°F, from 43°F to 69°F, rarely falling below 34°F or exceeding 82°F.

Daily low temperatures increase by 17°F, from 28°F to 45°F, rarely falling below 18°F or exceeding 53°F.

For reference, on August 1, the hottest day of the year, temperatures at Sandpoint Airport typically range from 51°F to 84°F, while on December 31, the coldest day of the year, they range from 23°F to 33°F.

Average High and Low Temperature in the Spring at Sandpoint Airport

Average High and Low Temperature in the Spring at Sandpoint AirportMarAprMay10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°FWinterSummerMar 143°FMar 143°F28°F28°FMay 3169°FMay 3169°F45°F45°FApr 152°FApr 152°F33°F33°FMay 162°FMay 162°F38°F38°FNowNow
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 hourly average spring temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in the Spring at Sandpoint Airport

Average Hourly Temperature in the Spring at Sandpoint AirportMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummerNowNowfreezingfreezingvery coldcoldcoolcomfortable
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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Grafenwöhr, Germany (5,010 miles away) is the far-away foreign place with temperatures most similar to Sandpoint Airport (view comparison).

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The spring at Sandpoint Airport experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 71% to 52%.

The clearest day of the spring is May 31, with clear, mostly clear, or partly cloudy conditions 47% of the time.

For reference, on January 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on August 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 77%.

Cloud Cover Categories in the Spring at Sandpoint Airport

Cloud Cover Categories in the Spring at Sandpoint AirportMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%WinterSummerMar 129%Mar 129%May 3147%May 3147%Apr 135%Apr 135%May 145%May 145%NowNowclearmostly clearpartly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Sandpoint Airport, the chance of a wet day over the course of the spring is essentially constant, remaining around 29% throughout.

For reference, the year's highest daily chance of a wet day is 43% on November 27, and its lowest chance is 10% on August 3.

Over the course of the spring at Sandpoint Airport, the chance of a day with only rain increases from 22% to 33%, the chance of a day with mixed snow and rain decreases from 8% to 0%, and the chance of a day with only snow decreases from 4% to 0%.

Probability of Precipitation in the Spring at Sandpoint Airport

Probability of Precipitation in the Spring at Sandpoint AirportMarAprMay0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%WinterSummerMar 2134%Mar 2134%Mar 134%Mar 134%May 3133%May 3133%May 124%May 124%NowNowsnowmixedrain
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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the spring at Sandpoint Airport is gradually increasing, starting the season at 2.0 inches, when it rarely exceeds 3.6 inches or falls below 0.6 inches, and ending the season at 2.3 inches, when it rarely exceeds 4.0 inches or falls below 1.0 inches.

Average Monthly Rainfall in the Spring at Sandpoint Airport

Average Monthly Rainfall in the Spring at Sandpoint AirportMarAprMay0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inWinterSummerMar 12.0 inMar 12.0 inMay 312.3 inMay 312.3 inApr 12.0 inApr 12.0 inMay 11.7 inMay 11.7 inNowNow
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 snowfall.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during the spring at Sandpoint Airport is rapidly decreasing, starting the season at 3.9 inches, when it rarely exceeds 9.7 inches or falls below 0.1 inches, and ending the season at -0.0 inches, when it rarely exceeds 0.0 inches or falls below -0.0 inches.

Average Monthly Snowfall in the Spring at Sandpoint Airport

Average Monthly Snowfall in the Spring at Sandpoint AirportMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 in16 in16 inWinterSummerMar 13.9 inMar 13.9 inMay 31-0.0 inMay 31-0.0 inApr 10.9 inApr 10.9 inMay 10.1 inMay 10.1 in
The average 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.

Over the course of the spring at Sandpoint Airport, the length of the day is very rapidly increasing. From the start to the end of the season, the length of the day increases by 4 hours, 44 minutes, implying an average daily increase of 3 minutes, 7 seconds, and weekly increase of 21 minutes, 49 seconds.

The shortest day of the spring is March 1, with 11 hours, 5 minutes of daylight and the longest day is May 31, with 15 hours, 49 minutes of daylight.

Hours of Daylight and Twilight in the Spring at Sandpoint Airport

Hours of Daylight and Twilight in the Spring at Sandpoint AirportMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummerMar 1912 hr, 9 minMar 1912 hr, 9 minnightnightdaydayMay 3115 hr, 49 minMay 3115 hr, 49 minMay 114 hr, 35 minMay 114 hr, 35 minNowNow
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 latest sunrise of the spring at Sandpoint Airport is 7:08 AM on March 10 and the earliest sunrise is 2 hours, 18 minutes earlier at 4:49 AM on May 31.

The earliest sunset is 5:31 PM on March 1 and the latest sunset is 3 hours, 7 minutes later at 8:38 PM on May 31.

Daylight saving time (DST) ends at 3:00 AM on March 10, 2024, shifting sunrise and sunset to be an hour earlier.

For reference, on June 20, the longest day of the year, the Sun rises at 4:45 AM and sets 16 hours, 6 minutes later, at 8:50 PM, while on December 21, the shortest day of the year, it rises at 7:34 AM and sets 8 hours, 20 minutes later, at 3:54 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Spring at Sandpoint Airport

Sunrise & Sunset with Twilight and Daylight Saving Time in the Spring at Sandpoint AirportMarAprMay12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMWinterSummer4:49 AM4:49 AMMay 318:38 PMMay 318:38 PM6:26 AM6:26 AMMar 15:31 PMMar 15:31 PM6:22 AM6:22 AMApr 17:17 PMApr 17:17 PM5:26 AM5:26 AMMay 18:01 PMMay 18:01 PMMar 10DSTMar 10DSTSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the spring. 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.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in the Spring at Sandpoint Airport

Solar Elevation and Azimuth in the Spring at Sandpoint AirportMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummer00102030405060010102030405060NowNow
northeastsouthwest
Solar elevation and azimuth in the the spring of 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for the spring of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in the Spring at Sandpoint Airport

Moon Rise, Set & Phases in the Spring at Sandpoint AirportMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerFeb 93:00 PMFeb 93:00 PMFeb 244:31 AMFeb 244:31 AMMar 101:01 AMMar 101:01 AMMar 2512:01 AMMar 2512:01 AMApr 811:22 AMApr 811:22 AMApr 234:50 PMApr 234:50 PMMay 78:23 PMMay 78:23 PMMay 236:54 AMMay 236:54 AMJun 65:38 AMJun 65:38 AMJun 216:09 PMJun 216:09 PM7:26 AM7:26 AM4:43 PM4:43 PM4:33 PM4:33 PM7:04 AM7:04 AM7:30 AM7:30 AM7:33 PM7:33 PM6:44 PM6:44 PM6:52 AM6:52 AM7:52 PM7:52 PM7:58 PM7:58 PM5:43 AM5:43 AM8:14 PM8:14 PM8:10 PM8:10 PM4:33 AM4:33 AM4:19 AM4:19 AM9:49 PM9:49 PM9:25 PM9:25 PM4:45 AM4:45 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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.

The chance that a given day will be muggy at Sandpoint Airport is essentially constant during the spring, remaining around 0% throughout.

For reference, on July 27, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Spring at Sandpoint Airport

Humidity Comfort Levels in the Spring at Sandpoint AirportMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%WinterSummerMar 10%Mar 10%May 310%May 310%Apr 10%Apr 10%May 10%May 10%drydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Sandpoint Airport is essentially constant during the spring, remaining within 0.2 miles per hour of 4.0 miles per hour throughout.

For reference, on April 18, the windiest day of the year, the daily average wind speed is 4.2 miles per hour, while on July 29, the calmest day of the year, the daily average wind speed is 3.8 miles per hour.

The highest daily average wind speed during the spring is 4.2 miles per hour on April 19.

Average Wind Speed in the Spring at Sandpoint Airport

Average Wind Speed in the Spring at Sandpoint AirportMarAprMay0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mphWinterSummerApr 194.2 mphApr 194.2 mphMar 13.9 mphMar 13.9 mphMay 313.9 mphMay 313.9 mphApr 14.1 mphApr 14.1 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction at Sandpoint Airport during the spring is predominantly out of the east from March 1 to March 12, the south from March 12 to April 21 and from May 24 to May 31, and the west from April 21 to May 24.

Wind Direction in the Spring at Sandpoint Airport

Wind Direction in the Spring at Sandpoint AirportESWSMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%WinterSummerNowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

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 Sandpoint Airport typically lasts for 4.7 months (144 days), from around May 8 to around September 29, rarely starting before April 19 or after May 25, and rarely ending before September 9 or after October 18.

During the spring at Sandpoint Airport, the chance that a given day is within the growing season is very rapidly increasing rising from 0% to 96% over the course of the season.

Time Spent in Various Temperature Bands and the Growing Season in the Spring at Sandpoint Airport

Time Spent in Various Temperature Bands and the Growing Season in the Spring at Sandpoint Airportgrowing seasonMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%WinterSummerMar 10%Mar 10%96%May 3196%May 31Apr 10%Apr 10%May 132%May 132%0%Mar 150%Mar 15freezingvery coldcoldcoolwarmcomfortablefrigid
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 percentage of time spent in various temperature bands. 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.

The average accumulated growing degree days at Sandpoint Airport are increasing during the spring, increasing by 246°F, from 1°F to 247°F, over the course of the season.

Growing Degree Days in the Spring at Sandpoint Airport

Growing Degree Days in the Spring at Sandpoint AirportMarAprMay0°F0°F50°F50°F100°F100°F150°F150°F200°F200°F250°F250°F300°F300°F350°F350°FWinterSummerMar 11°FMar 11°FMay 31247°FMay 31247°FApr 112°FApr 112°FMay 176°FMay 176°F
The average growing degree days accumulated over the course of the spring, with 25th to 75th and 10th to 90th percentile bands.

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 at Sandpoint Airport is very rapidly increasing during the spring, rising by 3.7 kWh, from 2.6 kWh to 6.3 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Spring at Sandpoint Airport

Average Daily Incident Shortwave Solar Energy in the Spring at Sandpoint AirportMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhWinterSummerMar 12.6 kWhMar 12.6 kWhMay 316.3 kWhMay 316.3 kWhApr 14.2 kWhApr 14.2 kWhMay 15.7 kWhMay 15.7 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Sandpoint Airport are 48.297 deg latitude, -116.563 deg longitude, and 2,129 ft elevation.

The topography within 2 miles of Sandpoint Airport contains large variations in elevation, with a maximum elevation change of 2,211 feet and an average elevation above sea level of 2,251 feet. Within 10 miles contains large variations in elevation (4,610 feet). Within 50 miles also contains extreme variations in elevation (7,044 feet).

The area within 2 miles of Sandpoint Airport is covered by sparse vegetation (39%), shrubs (16%), artificial surfaces (14%), and trees (13%), within 10 miles by trees (45%) and shrubs (25%), and within 50 miles by trees (66%) and shrubs (20%).

This report illustrates the typical weather at Sandpoint 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

Sandpoint 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 Coeur D'Alene Air Terminal; Creston Automatic Weather Reporting System; Deer Park Airport; Felts Field; Spokane International Airport; Mullan Pass, Mullan Pass Vor; Fairchild Air Force Base; and Nelson Automatic Weather Reporting System.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , 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 airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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.

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