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Oulu in March: Weather, Average temperature and Climate

Discover the weather for Oulu in March and if it’s a good time to travel (based on historical data).
Check flight prices to Oulu on Avionero:
March

Weather in Oulu in March 2025

OK Weather
Cold
☁️
Cloudy
🌊
Cold water
March could be a good time to visit Oulu, as the weather is generally fine. The average high temperature is around -2°C, and there are typically 6 sunny days in March. However, expect about 12 snowy days, and total monthly rainfall of approximately 26 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
-2°C
Avg. max. temperature
-28°C
Min.
+11°C
Max.
4 mm
Total precipitation
82%
Avg. humidity
3 m/s
Avg. wind
6 ☀️
Sunny Days
12 ⛅️
Cloudy
1 🌦
Rainy
Our opinion: Oulu has OK weather in March.

Average temperature in Oulu in March

Here are the expected maximum, average and minimum temperatures in Oulu for March based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in March is -3°C with a maximum of +2°C and a minimum of -24°C.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +2°C to -1°C.

Is Oulu warm or cold in March?

Oulu is typically cold in March.

Maximum temperatures go up compared to the previous month from -6°C to -2°C. The minimum temperature also goes up from -12°C to -8°C.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

Take a look at how March is compared to other months in Oulu:

Water temperature in Oulu in March

Water in Oulu in March is Cold. It varies from -1°C to +1°C, with an average of 0°C. Note that the air temperature is lower than the water temperature, averaging around -2°C.

The water temperature in March is one of the coldest of the entire year:

The warmest water temperatures in Oulu are reached in July, when the average sea temperature rises to +17°C. The coldest water temperatures are in February, with an average of -1°C.

Can you swim in Oulu in March?

We would not recommend swimming in Oulu in March, the water is very cold (0°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Oulu in March

Oulu weather looks like this, on average, in March and the surrounding months.
FebruaryMarchApril
Avg. temperature
-6°C-2°C+4°C
Min. temperature
-33°C-28°C-18°C
Max. temperature
+6°C+11°C+18°C
Rainfall
3 mm4 mm14 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
-1°C0°C0°C
Humidity
86%82%76%
Air pressure
1009 HPa1009 HPa1012 HPa
Sunny days
267
Cloudy days
131212
Rainy days
114
Snowy days
12128

March weather is still as ok as in February. It’s getting warmer as March arrives. The average maximum temperature goes up from -6°C to -2°C during the day. Prepare for more rain. Average rainfall goes from 3 mm to 4 mm. It feels drier, as humidity decreases from 86% to 82%. The average wind speed doesn’t change much during March, staying around 3 m/s. The good news is there are likely to be more sunny days in March, from 2 to 6.

April brings much the same weather, it remains ok.

Wind

Wind speed in Oulu in March based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Oulu is gradually increasing during March, going from 3 m/s to 5 m/s over the course of the month.

Snow

Amount of snow in mm during March in Oulu based on historical data.
Last Year
Historical Data
The total snow in March is about 32 mm, with a 19% chance of snow on a typical day.

Here’s how March is compared with other months in the amount of snow, total mm:

How was the weather last March in Oulu?

This is the weather in Oulu in March 2023:
1 March
☁️
+2°C
2 March
☀️
+2°C
3 March
☀️
-1°C
4 March
🌨️
-1°C
5 March
☁️
-4°C
6 March
☀️
-7°C
7 March
☀️
-9°C
8 March
☀️
-8°C
9 March
☀️
-7°C
10 March
☀️
-2°C
11 March
☀️
-2°C
12 March
☀️
-4°C
13 March
☀️
-2°C
14 March
🌨️
0°C
15 March
☁️
-1°C
16 March
☀️
-5°C
17 March
☀️
-1°C
18 March
🌨️
+1°C
19 March
☀️
0°C
20 March
☀️
+1°C
21 March
☀️
-2°C
22 March
☀️
0°C
23 March
🌨️
-4°C
24 March
🌨️
-5°C
25 March
☀️
-5°C
26 March
☀️
-2°C
27 March
☀️
-3°C
28 March
☀️
-1°C
29 March
🌨️
-4°C
30 March
☀️
-5°C
31 March
☁️
-1°C
In March 2023 Oulu had 21 sunny days, 4 cloudy days, and 0 rainy days. The average maximum temperature was -3°C, with an absolute maximum of +2°C and a minimum of -9°C. The average humidity was 82%, with a maximum of 99% and a minimum of 48%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in March?

Climate Change over Years

This is how Oulu climate have been changing during last 43 years period.

The climate in Oulu in March has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+3°C) and the highest in 2020 (+8°C). The driest year was 2002 with only 247 mm of rainfall, and the wettest year was 2021 with 603 mm.

FAQ

Frequently asked questions about the weather in Oulu in March:

Is March a good time to visit Oulu?

It’s always a good time to visit Oulu, but the weather is changeable in March, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Oulu in March?

Not really, March is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in Oulu in March?

Swimming in Oulu in March is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Oulu rainy in March?

Oulu is usually dry in March. Plan your packing around outdoor activities and exploring.

Is it sunny in Oulu in March?

Usually, it’s not very sunny in Oulu in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Finland

Check out the weather for other cities in Finland.

Monthly weather in Oulu

Source of the data

For this page, we’ve looked at the typical weather in Oulu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.