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Average Weather in Karijoki Finland

In Karijoki, the summers are cool and partly cloudy and the winters are long, freezing, dry, and mostly cloudy. Over the course of the year, the temperature typically varies from 15°F to 68°F and is rarely below -6°F or above 77°F.

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

Climate Summary

freezingvery coldcoldcoolcomfortablecoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow55%55%26%26%overcastclearprecipitation: 2.5 inprecipitation: 2.5 in0.9 in0.9 inmuggy: 1%muggy: 1%0%0%drydrytourism score: 6.3tourism score: 6.30.00.0
Click on each chart for more information.

Temperature

The warm season lasts for 3.0 months, from June 3 to September 2, with an average daily high temperature above 60°F. The hottest day of the year is July 22, with an average high of 68°F and low of 52°F.

The cold season lasts for 3.9 months, from November 21 to March 19, with an average daily high temperature below 35°F. The coldest day of the year is February 9, with an average low of 15°F and high of 26°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 in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMNowNowfreezingfreezingvery coldvery coldcoldcoolcoolcomfortable
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.

Valdez, Alaska, United States (3,889 miles away) and Breckenridge, Colorado, United States (4,836 miles) are the far-away foreign places with temperatures most similar to Karijoki (view comparison).

Clouds

In Karijoki, 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 in Karijoki begins around April 19 and lasts for 5.4 months, ending around September 30. On July 17, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 55% of the time, and overcast or mostly cloudy 45% of the time.

The cloudier part of the year begins around September 30 and lasts for 6.6 months, ending around April 19. On January 26, the cloudiest day of the year, the sky is overcast or mostly cloudy 74% of the time, and clear, mostly clear, or partly cloudy 26% of the time.

Cloud Cover Categories

Cloud Cover Categories in KarijokiclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 1755%Jul 1755%Jan 2626%Jan 2626%Apr 1940%Apr 1940%Sep 3041%Sep 3041%NowNowclearmostly clearpartly cloudymostly 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.

Precipitation

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

The wetter season lasts 7.9 months, from May 29 to January 24, with a greater than 25% chance of a given day being a wet day. The chance of a wet day peaks at 32% on October 18.

The drier season lasts 4.1 months, from January 24 to May 29. The smallest chance of a wet day is 18% on March 1.

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 in Karijoki changes throughout the year.

Rain alone is the most common for 10 months, from March 4 to January 15. The highest chance of a day with rain alone is 32% on August 13.

Snow alone is the most common for 1.6 months, from January 15 to March 4. The highest chance of a day with snow alone is 11% on January 18.

Daily Chance of Precipitation

Daily Chance of Precipitation in KarijokisnowrainJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Oct 1832%Oct 1832%Mar 118%Mar 118%Jan 1525%Jan 1525%May 2925%May 2925%NowNowsnowrainmixed
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. Karijoki experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 11 months, from March 5 to February 1, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around August 15, with an average total accumulation of 2.5 inches.

The rainless period of the year lasts for 1.1 months, from February 1 to March 5. The least rain falls around February 16, with an average total accumulation of 0.4 inches.

Average Monthly Rainfall

Average Monthly Rainfall in KarijokirainrainJanFebMarAprMayJunJulAugSepOctNovDec0 in1 in2 in3 in4 in5 inAug 152.5 inAug 152.5 inFeb 160.4 inFeb 160.4 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 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. Karijoki experiences some seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.3 months, from October 13 to April 22, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 16, with an average total liquid-equivalent accumulation of 0.6 inches.

The snowless period of the year lasts for 5.7 months, from April 22 to October 13. The least snow falls around July 31, with an average total liquid-equivalent accumulation of 0.0 inches.

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall in KarijokisnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.5 in1.0 in1.5 in2.0 in2.5 inJan 160.6 inJan 160.6 inJul 310.0 inJul 310.0 inOct 130.1 inOct 130.1 inApr 220.1 inApr 220.1 inNowNow
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 in Karijoki varies extremely over the course of the year. In 2020, the shortest day is December 21, with 5 hours, 1 minute of daylight; the longest day is June 21, with 19 hours, 55 minutes of daylight.

Hours of Daylight and Twilight

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 3:37 AM on June 19, and the latest sunrise is 6 hours, 25 minutes later at 10:01 AM on December 25. The earliest sunset is at 3:00 PM on December 17, and the latest sunset is 8 hours, 32 minutes later at 11:32 PM on June 22.

Daylight saving time (DST) is observed in Karijoki during 2020, starting in the spring on March 29, lasting 6.9 months, and ending in the fall on October 25.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 193:37 AMJun 193:37 AM11:32 PMJun 2211:32 PMJun 22Dec 173:00 PMDec 173:00 PM10:01 AMDec 2510:01 AMDec 25Mar 29DSTMar 29DSTDSTOct 25DSTOct 25daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2020. 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.

The perceived humidity level in Karijoki, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 1% throughout.

Humidity Comfort Levels

Humidity Comfort Levels in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Nov 60%Nov 60%Jul 291%Jul 291%NowNowdrydry
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.

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 in Karijoki experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 6.1 months, from September 20 to March 25, with average wind speeds of more than 6.8 miles per hour. The windiest day of the year is January 1, with an average hourly wind speed of 8.3 miles per hour.

The calmer time of year lasts for 5.9 months, from March 25 to September 20. The calmest day of the year is July 9, with an average hourly wind speed of 5.4 miles per hour.

Average Wind Speed

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 in Karijoki is from the south throughout the year.

Wind Direction

Wind Direction in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
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).

Water Temperature

Karijoki is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.3 months, from July 4 to September 12, with an average temperature above 55°F. The day of the year with the warmest water is August 5, with an average temperature of 61°F.

The time of year with cooler water lasts for 4.7 months, from December 16 to May 6, with an average temperature below 38°F. The day of the year with the coolest water is March 4, with an average temperature of 32°F.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Best Time of Year to Visit

To characterize how pleasant the weather is in Karijoki 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 Karijoki for general outdoor tourist activities is from late June to mid August, with a peak score in the third week of July.

Tourism Score

Tourism Score in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec02468106.36.30.00.0NowNow 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 Karijoki for hot-weather activities is from mid July to early August, with a peak score in the third week of July.

Beach/Pool Score

Beach/Pool Score in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec02468102.12.10.00.0NowNow precipitationprecipitationcloudscloudstemperaturetemperature
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 in Karijoki typically lasts for 4.2 months (129 days), from around May 17 to around September 23, rarely starting before April 28 or after June 5, and rarely ending before September 3 or after October 13.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Karijokigrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 1750%May 1750%Sep 2350%Sep 2350%Jun 590%Jun 590%Sep 390%Sep 390%Apr 2810%Apr 2810%Oct 1310%Oct 1310%0%Feb 190%Feb 19Jul 20100%Jul 20100%NowNowfrigidfreezingvery 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 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.

Based on growing degree days alone, the first spring blooms in Karijoki should appear around May 29, only rarely appearing before May 17 or after June 16.

Growing Degree Days

Growing Degree Days in KarijokiJanFebMarAprMayJunJulAugSepOctNovDec0°F200°F400°F600°F800°F1,000°F1,200°FMay 2990°FMay 2990°FAug 30900°FAug 30900°FDec 311,006°FDec 311,006°FNowNow
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 3.1 months, from May 5 to August 7, with an average daily incident shortwave energy per square meter above 4.9 kWh. The brightest day of the year is June 21, with an average of 6.1 kWh.

The darker period of the year lasts for 4.6 months, from October 10 to February 29, with an average daily incident shortwave energy per square meter below 1.3 kWh. The darkest day of the year is December 20, with an average of 0.1 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in KarijokibrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJun 216.1 kWhJun 216.1 kWhDec 200.1 kWhDec 200.1 kWhMay 54.9 kWhMay 54.9 kWhAug 74.9 kWhAug 74.9 kWhOct 101.3 kWhOct 101.3 kWhFeb 291.3 kWhFeb 291.3 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.

Topography

For the purposes of this report, the geographical coordinates of Karijoki are 62.309 deg latitude, 21.709 deg longitude, and 207 ft elevation.

The topography within 2 miles of Karijoki contains only modest variations in elevation, with a maximum elevation change of 269 feet and an average elevation above sea level of 211 feet. Within 10 miles contains only modest variations in elevation (518 feet). Within 50 miles also contains significant variations in elevation (755 feet).

The area within 2 miles of Karijoki is covered by cropland (47%) and trees (47%), within 10 miles by trees (74%) and cropland (19%), and within 50 miles by trees (48%) and water (35%).

Data Sources

This report illustrates the typical weather in Karijoki, 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

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Karijoki.

For each station, the records are corrected for the elevation difference between that station and Karijoki according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Karijoki is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Karijoki and a given station.

The stations contributing to this reconstruction are: Seinajoki-Ilmajok Airport (40%, 72 kilometers, northeast); Vaasa Airport (33%, 83 kilometers, north); and Pori Airport (27%, 94 kilometers, south).

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 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.