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Weather in Oulu for December 2025

Your guide to Oulu weather in December - trends and predictions

    Official Weather Alert ⚠️

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

    • Snow Forecast ❄️

  • The climate of Oulu in December is quite snowy, averaging 13 snowy days.
    According to Oulu snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, December 2025 in Oulu shows a warmer trend than usual by 2.3 °C.

  • The forecast for the upcoming days in Oulu predicts a temperature of -0.1 °C, which is slightly above the historical average.

  • In general, the average temperature in Oulu at the beginning of December is -1.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -3 °C by the end of December.

Average dry days
13
Dry days
Average rainy days
5
Rainy days
Average snowy days
13
Snow days
Average temperatures
0°/-13°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
90 %
Avg humidity

Oulu Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light snow
-1°
2
Overcast
1°
3
Light snow
-1°
4
Moderate snow
-2°
5
Moderate snow
-3°
6
Mist
-2°
7
Light snow
-2°
8
Moderate snow
-2°
9
Light freezing rain
-2°
10
Light snow
-2°
11
Light freezing rain
-2°
12
Mist
-8°
13
Light freezing rain
-7°
14
Light snow
-6°
15
Weather Alert Moderate or heavy snow showers
0°
16
Weather Alert Mist
0°
17
Weather Alert Light drizzle
1°
18
Weather Alert Light freezing rain
0°
19
Freezing fog
2°
20
Patchy rain possible
4°
21
Partly cloudy
-0°
22
Partly cloudy
2°
23
Partly cloudy
-2°
24
Mist
-2°
25
Mist
-2°
26
Sunny
-2°
27
Patchy moderate snow
2°
28
Sunny
-5°
29
Overcast
-5°
30
Patchy moderate snow
-4°
31
Moderate snow
-5°

Temperatures trend during December in Oulu

See the weather trend as well as the moving average line

December weather in Oulu day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Light snow
Light snow
 -1° /-6° 2.1 mm 1.5 cm
2 Dec. Overcast
Overcast
 1° /-5° 3.2 mm 0.2 cm
3 Dec. Light snow
Light snow
 -1° /-5° 0.6 mm 0.2 cm
4 Dec. Moderate snow
Moderate snow
 -2° /-4° 0.3 mm 0.2 cm
5 Dec. Moderate snow
Moderate snow
 -3° /-4° 0.9 mm 0.4 cm
6 Dec. Mist
Mist
 -2° /-6° 0.3 mm 0.2 cm
7 Dec. Light snow
Light snow
 -2° /-6° 0.1 mm 0.1 cm
8 Dec. Moderate snow
Moderate snow
 -2° /-5° 2 mm 1.3 cm
9 Dec. Light freezing rain
Light freezing rain
 -2° /-6° 0.6 mm 0 cm
10 Dec. Light snow
Light snow
 -2° /-4° 2.7 mm 1.8 cm
11 Dec. Light freezing rain
Light freezing rain
 -2° /-7° 0.7 mm 0.5 cm
12 Dec. Mist
Mist
 -8° /-11° 0.1 mm 0.1 cm
13 Dec. Light freezing rain
Light freezing rain
 -7° /-11° 0.1 mm 0.1 cm
14 Dec. Light snow
Light snow
 -6° /-9° 1.6 mm 1.2 cm
15 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-4° 4.5 mm 0 cm
16 Dec. Mist
Mist
 0° /-2° 0.2 mm 0 cm
17 Dec. Light drizzle
Light drizzle
 1° /0° 6.6 mm 0 cm
18 Dec. Light freezing rain
Light freezing rain
 0° /-2° 3.5 mm 0 cm
19 Dec. Freezing fog
Freezing fog
 2° /-3° 0 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 4° /2° 0.2 mm 0 cm
21 Dec. Partly cloudy
Partly cloudy
 0° /-2° 0 mm 0 cm
22 Dec. Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
23 Dec. Partly cloudy
Partly cloudy
 -2° /-4° 0 mm 0 cm
24 Dec. Mist
Mist
 -2° /-4° 0 mm 0 cm
25 Dec. Mist
Mist
 -2° /-3° 0 mm 0 cm
26 Dec. Sunny
Sunny
 -2° /-3° 0 mm 0 cm
27 Dec. Patchy moderate snow
Patchy moderate snow
 2° /-1° 0.6 mm 0 cm
28 Dec. Sunny
Sunny
 -5° /-7° 0 mm 0 cm
29 Dec. Overcast
Overcast
 -5° /-9° 0.3 mm 0.1 cm
30 Dec. Patchy moderate snow
Patchy moderate snow
 -4° /-8° 1.7 mm 0.5 cm
31 Dec. Moderate snow
Moderate snow
 -5° /-9° 2.8 mm 0.6 cm
Next
Important Notice
Our weather forecast for Oulu in December 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 Oulu forecast closer to your planned date for the most up-to-date weather information.
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Oulu in December - FAQ

What are the expected maximum and minimum temperatures in Oulu during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Oulu during December?
Significant rainfall exceeding 104.9 mm is expected in Oulu during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Oulu in December 2025?
Oulu experiences an average snowfall of 56.7 cm during December, occurring over 13 days.
What are the typical wind conditions in Oulu during December?
The average wind speed in Oulu during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Oulu snow forecast December 2025

Track daily snowfall levels and discover Oulu’s snowy potential this December ❄️
On average, Oulu sees 13 snowy days during December, with approximately 56.7 cm of total snowfall.

December rainfall patterns in Oulu

Explore the daily rainfall trends and prepare for Oulus December weather 💧
Typically, Oulu has 5 rainy days in December with a total of 104.9 mm of rainfall.

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Get accurate weather forecasts for Oulu, located at latitude 65.012 and longitude 25.468. Stay updated with localized weather information tailored for Oulu.

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