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Koillismaa (Kuusamo)
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Weather in Koillismaa for May 2026

Your guide to Koillismaa weather in May - trends and predictions

    Official Weather Alert ⚠️

  • Wind Warning for Land Areas - See hour by hour.

    • Snow Forecast ❄️

  • The climate of Koillismaa in May is quite snowy, averaging 13 snowy days.
    According to Koillismaa snow forecast for May 2026, 3 snowy days are expected at the beginning of May. The first snowfall for May is expected in Sunday, 3 May.

    • Temperatures

  • The forecast for the first days of May 2026 in Koillismaa predicts temperatures to be around 9 °C, close to the historical average.

  • In general, the average temperature in Koillismaa at the beginning of May is 9.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.7 °C by the end of May.

Average dry days
8
Dry days
Average rainy days
10
Rainy days
Average snowy days
13
Snow days
Average temperatures
9°/1°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Koillismaa Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Patchy rain possible
12°
2
Weather Alert Patchy rain possible
12°
3
Patchy rain possible
4°
4
Partly cloudy
7°
5
Partly cloudy
12°
6
Patchy rain possible
9°
7
Patchy rain possible
11°
8
Patchy rain possible
8°
9
Partly cloudy
9°
10
Patchy rain possible
6°
11
Partly cloudy
6°
12
Partly cloudy
13°
13
Partly cloudy
15°
14
Overcast
11°
15
Patchy rain possible
13°
16
Cloudy
13°
17
Heavy rain at times
14°
18
Heavy rain at times
13°
19
Overcast
14°
20
Partly cloudy
11°
21
Partly cloudy
9°
22
Overcast
13°
23
Heavy rain at times
15°
24
Moderate rain at times
19°
25
Moderate or heavy rain shower
14°
26
Patchy rain possible
16°
27
Cloudy
16°
28
Moderate rain at times
16°
29
Heavy rain at times
15°
30
Patchy rain possible
17°
31
Heavy rain at times
16°

Temperatures trend during May in Koillismaa

See the weather trend as well as the moving average line

May weather in Koillismaa day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 12° /3° 0.2 mm 0 cm
2 May Patchy rain possible
Patchy rain possible
 12° /4° 0.2 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 4° /-1° 1.4 mm 1 cm
4 May Partly cloudy
Partly cloudy
 7° /-2° 0.1 mm 0.1 cm
5 May Partly cloudy
Partly cloudy
 12° /2° 0 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 9° /6° 1.2 mm 0 cm
7 May Patchy rain possible
Patchy rain possible
 11° /6° 1.3 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
 8° /2° 0.4 mm 0 cm
9 May Partly cloudy
Partly cloudy
 9° /0° 0.1 mm 0 cm
10 May Patchy rain possible
Patchy rain possible
 6° /2° 1.8 mm 1.2 cm
11 May Partly cloudy
Partly cloudy
 6° /-1° 0 mm 0 cm
12 May Partly cloudy
Partly cloudy
 13° /0° 0 mm 0 cm
13 May Partly cloudy
Partly cloudy
 15° /5° 0 mm 0 cm
14 May Overcast
Overcast
 11° /2° 0.4 mm 0 cm
15 May Patchy rain possible
Patchy rain possible
 13° /3° 1.5 mm 0.5 cm
16 May Cloudy
Cloudy
 13° /3° 0.1 mm 0 cm
17 May Heavy rain at times
Heavy rain at times
 14° /3° 1.2 mm 0 cm
18 May Heavy rain at times
Heavy rain at times
 13° /3° 1.4 mm 0 cm
19 May Overcast
Overcast
 14° /1° 0.5 mm 0 cm
20 May Partly cloudy
Partly cloudy
 11° /2° 0.5 mm 0.2 cm
21 May Partly cloudy
Partly cloudy
 9° /2° 5.3 mm 3.8 cm
22 May Overcast
Overcast
 13° /2° 2 mm 1.2 cm
23 May Heavy rain at times
Heavy rain at times
 15° /4° 1.1 mm 0 cm
24 May Moderate rain at times
Moderate rain at times
 19° /8° 2.4 mm 0 cm
25 May Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /6° 6.2 mm 0 cm
26 May Patchy rain possible
Patchy rain possible
 16° /3° 0.3 mm 0 cm
27 May Cloudy
Cloudy
 16° /5° 1.4 mm 0 cm
28 May Moderate rain at times
Moderate rain at times
 16° /6° 3.4 mm 0 cm
29 May Heavy rain at times
Heavy rain at times
 15° /6° 6.3 mm 0 cm
30 May Patchy rain possible
Patchy rain possible
 17° /5° 2.3 mm 0 cm
31 May Heavy rain at times
Heavy rain at times
 16° /7° 7.8 mm 0 cm
Next
Important Notice
Our weather forecast for Koillismaa in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Koillismaa forecast closer to your planned date for the most up-to-date weather information.
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Koillismaa in May - FAQ

What are the expected maximum and minimum temperatures in Koillismaa during May?

Prepare for cooler days with highs just around 9° and colder nights, dipping below 1°.

How much rainfall should be expected in Koillismaa during May?

Moderate rainfall is anticipated in Koillismaa during May, with a total of 55.9 mm spread over approximately 10 days. Considering plans for rainy days is advisable.

Will it snow in Koillismaa in May 2026?

Koillismaa experiences an average snowfall of 10.1 cm during May, occurring over 13 days.

What are the typical wind conditions in Koillismaa during May?

The average wind speed in Koillismaa during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Koillismaa snow forecast May 2026

Track daily snowfall levels and discover Koillismaa’s snowy potential this May ❄️
On average, Koillismaa sees 13 snowy days during May, with approximately 10.1 cm of total snowfall.

May rainfall patterns in Koillismaa

Explore the daily rainfall trends and prepare for Koillismaas May weather 💧
Typically, Koillismaa has 10 rainy days in May with a total of 55.9 mm of rainfall.
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Location coordinates Where is Koillismaa?

Get accurate weather forecasts for Koillismaa, located at latitude 65.964 and longitude 29.189. Stay updated with localized weather information tailored for Koillismaa.

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