Climate Insights for Karijoki

Suupohja, South Ostrobothnia, Finland

Hottest
Juli
21°C peak
Coldest
Januar
-7°C low
Wettest
August
109mm rain
Best to Visit
Juni, Juli
Mild temps & low rain

Climate Overview

The climate in Karijoki is cool. The average annual temperature is 6°C and approximately 701mm of precipitation falls per year. Karijoki receives a notable amount of rainfall throughout the year, including during its driest month. Karijoki is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Juli, August, Juni. The coldest months are Januar, Februar, März, when temperatures can drop to -7°C. Snowfall occurs from January to December, with around 109cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -4° Min: -7° Feb Max: -1° Average: -3° Min: -6° Mar Max: 2° Average: -1° Min: -5° Apr Max: 8° Average: 4° Min: -1° May Max: 14° Average: 10° Min: 4° Jun Max: 19° Average: 15° Min: 9° Jul Max: 21° Average: 17° Min: 12° Aug Max: 20° Average: 16° Min: 11° Sep Max: 15° Average: 11° Min: 7° Oct Max: 8° Average: 6° Min: 3° Nov Max: 3° Average: 1° Min: -1° Dec Max: 0° Average: -2° Min: -4°
Max
Average
Min

Temperatures in Karijoki vary considerably across the year, with a 28°C difference between the coldest and warmest months. Juli is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is Januar, when overnight lows fall to -7°C and the daily average is -4°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 6°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 47mm Snow: 26mm Feb Precipitation: 44mm Snow: 22mm Mar Precipitation: 38mm Snow: 16mm Apr Precipitation: 39mm Snow: 9mm May Precipitation: 39mm Snow: 0mm Jun Precipitation: 57mm Snow: 0mm Jul Precipitation: 90mm Snow: 0mm Aug Precipitation: 109mm Snow: 0mm Sep Precipitation: 64mm Snow: 0mm Oct Precipitation: 62mm Snow: 3mm Nov Precipitation: 62mm Snow: 13mm Dec Precipitation: 51mm Snow: 20mm
Precipitation
Snow

Karijoki is a relatively dry area, receiving approximately 701mm of precipitation annually, which averages out to around 58mm per month. The wettest month is August, averaging 109mm of rainfall. July and September also tend to see above-average precipitation. The driest month is March, with just 38mm. That's 71mm 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 109cm accumulating over the season. January typically sees the most snow at around 26cm.

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: 20km/h Feb Wind Speed: 19km/h Mar Wind Speed: 18km/h Apr Wind Speed: 17km/h May Wind Speed: 17km/h Jun Wind Speed: 17km/h Jul Wind Speed: 16km/h Aug Wind Speed: 17km/h Sep Wind Speed: 17km/h Oct Wind Speed: 18km/h Nov Wind Speed: 18km/h Dec Wind Speed: 19km/h
Wind Speed

Karijoki is mildly breezy, with an average annual wind speed of 18km/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 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 17km/h in spring, 17km/h in summer, 18km/h in autumn.

Seasons

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

1 day until Spring

It is currently winter in Karijoki, which began on December 21, 2026. Karijoki 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 Juli at around 21°C, while the coldest stretch bottoms out in Januar near -7°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from -5 to 14°C. Rainfall is relatively light, with around 116mm over the season and a monthly average of 39mm. Winds are moderate at around 17km/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 255mm for the season, averaging 85mm per month. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -1 to 15°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Expect around 16cm of snow accumulation during this period. Winds are moderate at around 18km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -7 to 0°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Expect around 68cm of snow accumulation during this period. Winds are moderate at around 19km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -3°
Mar -1°
Apr
May 10°
Jun 15°
Jul 17°
Aug 16°
Sep 11°
Oct
Nov
Dec -2°

The best time to visit Karijoki is during Juni and Juli, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 73mm per month. By contrast, Januar can be quite cold with temperatures dropping to -7°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 Karijoki 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
-7 °C
-2 °C
20 km/h
47 mm
26 cm
Feb
-6 °C
-1 °C
19 km/h
44 mm
22 cm
Mar Current
-5 °C
2 °C
18 km/h
38 mm
16 cm
Apr
-1 °C
8 °C
17 km/h
39 mm
9 cm
May
4 °C
14 °C
17 km/h
39 mm
0 cm
Jun
9 °C
19 °C
17 km/h
57 mm
0 cm
Jul
12 °C
21 °C
16 km/h
90 mm
0 cm
Aug
11 °C
20 °C
17 km/h
109 mm
0 cm
Sep
7 °C
15 °C
17 km/h
64 mm
0 cm
Oct
3 °C
8 °C
18 km/h
62 mm
3 cm
Nov
-1 °C
3 °C
18 km/h
62 mm
13 cm
Dec
-4 °C
0 °C
19 km/h
51 mm
20 cm
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Metric (°C, km/h)