Climate Insights for Evijärvi

Järviseutu, South Ostrobothnia, Finland

Hottest
July
21°C peak
Coldest
January
-9°C low
Wettest
August
95mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Evijärvi is cool. The average annual temperature is 5°C and approximately 675mm of precipitation falls per year. Evijärvi receives a notable amount of rainfall throughout the year, including during its driest month. Evijärvi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 127cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -4° Average: -6° Min: -9° Feb Max: -2° Average: -5° Min: -8° Mar Max: 2° Average: -2° Min: -6° Apr Max: 7° Average: 3° Min: -2° May Max: 14° Average: 10° Min: 4° Jun Max: 19° Average: 15° Min: 9° Jul Max: 21° Average: 17° Min: 11° Aug Max: 20° Average: 15° Min: 10° Sep Max: 14° Average: 10° Min: 6° Oct Max: 7° Average: 4° Min: 1° Nov Max: 2° Average: 0° Min: -2° Dec Max: -2° Average: -3° Min: -6°
Max
Average
Min

Temperatures in Evijärvi vary considerably across the year, with a 30°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -6°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 39mm Snow: 25mm Feb Precipitation: 37mm Snow: 23mm Mar Precipitation: 33mm Snow: 18mm Apr Precipitation: 45mm Snow: 13mm May Precipitation: 52mm Snow: 1mm Jun Precipitation: 68mm Snow: 0mm Jul Precipitation: 83mm Snow: 0mm Aug Precipitation: 95mm Snow: 0mm Sep Precipitation: 62mm Snow: 0mm Oct Precipitation: 63mm Snow: 4mm Nov Precipitation: 53mm Snow: 19mm Dec Precipitation: 44mm Snow: 25mm
Precipitation
Snow

Evijärvi is a relatively dry area, receiving approximately 675mm of precipitation annually, which averages out to around 56mm per month. The wettest month is August, averaging 95mm of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 33mm. That's 62mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 127cm accumulating over the season. January typically sees the most snow at around 25cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 17km/h Feb Wind Speed: 17km/h Mar Wind Speed: 17km/h Apr Wind Speed: 15km/h May Wind Speed: 15km/h Jun Wind Speed: 15km/h Jul Wind Speed: 13km/h Aug Wind Speed: 15km/h Sep Wind Speed: 15km/h Oct Wind Speed: 16km/h Nov Wind Speed: 16km/h Dec Wind Speed: 16km/h
Wind Speed

Evijärvi is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

1 day until Spring

It is currently winter in Evijärvi, which began on December 21, 2026. Evijärvi is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 21°C, while the coldest stretch bottoms out in January near -9°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from -6 to 14°C. Rainfall is relatively light, with around 131mm over the season and a monthly average of 44mm. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 9 to 21°C. Precipitation is moderate at around 246mm for the season, averaging 82mm per month. Winds are generally light, averaging 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -2 to 14°C. Precipitation is moderate at around 178mm for the season, averaging 59mm per month. Expect around 22cm of snow accumulation during this period. Winds are moderate at around 16km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -9 to -2°C. Rainfall is relatively light, with around 120mm over the season and a monthly average of 40mm. Expect around 73cm of snow accumulation during this period. Winds are moderate at around 17km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -6°
Feb -5°
Mar -2°
Apr
May 10°
Jun 15°
Jul 17°
Aug 15°
Sep 10°
Oct
Nov
Dec -3°

The best time to visit Evijärvi is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 82mm per month. By contrast, January can be quite cold with temperatures dropping to -9°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Evijärvi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-9 °C
-4 °C
17 km/h
39 mm
25 cm
Feb
-8 °C
-2 °C
17 km/h
37 mm
23 cm
Mar Current
-6 °C
2 °C
17 km/h
33 mm
18 cm
Apr
-2 °C
7 °C
15 km/h
45 mm
13 cm
May
4 °C
14 °C
15 km/h
52 mm
1 cm
Jun
9 °C
19 °C
15 km/h
68 mm
0 cm
Jul
11 °C
21 °C
13 km/h
83 mm
0 cm
Aug
10 °C
20 °C
15 km/h
95 mm
0 cm
Sep
6 °C
14 °C
15 km/h
62 mm
0 cm
Oct
1 °C
7 °C
16 km/h
63 mm
4 cm
Nov
-2 °C
2 °C
16 km/h
53 mm
19 cm
Dec
-6 °C
-2 °C
16 km/h
44 mm
25 cm
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Metric (°C, km/h)