In general the best time to visit Oulu is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
May, June, July usually has good weather. Average maximum temperature reaches +66°F during July.
In January, February, March, April, August, September, November, December the weather is OK. Expect around 24 snowy days, and the precipitation amounts to approximately 35 mm in December.
October bring not the best weather. October is the coldest month with the temperature going down to +34°F.
Climate in Oulu
Here is the detailed breakdown of the climate in Oulu for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+43°F
+43°F
+52°F
+64°F
+86°F
+88°F
+90°F
+84°F
+75°F
+68°F
+50°F
+45°F
Average Maximum Temperature
+19°F
+21°F
+28°F
+39°F
+52°F
+61°F
+66°F
+63°F
+54°F
+41°F
+32°F
+25°F
Minimum Temperature
-36°F
-27°F
-18°F
0°F
+19°F
+32°F
+43°F
+36°F
+27°F
+1°F
-20°F
-24°F
Humidity, %
86
85
81
76
70
70
74
77
81
86
88
88
Rain, mm
2
3
4
14
45
56
75
77
59
46
21
8
Snow, mm
33
28
26
15
3
0
0
0
0
13
27
35
Average wind speed, m/s
3
3
3
2
3
2
2
2
3
3
3
3
Sunny Days
3
3
7
7
9
8
7
6
4
3
2
2
Cloud Days
23
21
20
19
16
15
15
16
19
20
21
23
Rainy Days
0
0
0
2
6
7
9
9
7
6
3
1
Snowy Days
5
4
4
2
0
0
0
0
0
2
4
5
Average Temperature
Here are the average maximum and minimum temperatures in Oulu during the whole year:
The hottest month in Oulu is July with average maximum temperature going up to +66°F. The coldest month is January with the lowest temperatures of +10°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Oulu looks throughout the year, in %:
The most humid month in Oulu is December with average humidity going up to 88%. The least humid month is May with an average humidity of 70%.
Rain
Amount of rainfall in mm. in Oulu during the whole year based on historical data:
The sunniest and driest month is May with approximately 9 sunny days and a total precipitation of around 45 mm. The rainiest and wettest month is August with approximately 9 rainy days and 77 mm of total precipitation.
Snow
Amount of snow in mm. in Oulu during the whole year based on historical data:
The snowiest month is December with approximately 5 snowy days.
FAQ
Frequently asked questions about the weather in Oulu:
What is the hottest month in Oulu?
The hottest month in Oulu is July with average maximum temperature of +66°F.
What is the coldest month in Oulu?
The coldest month in Oulu is January with minimum temperatures of +10°F.
Is Oulu worth visiting in winter?
Winter in Oulu could be a good time to visit, as the weather is generally ok.
When does it rain the least in Oulu?
if you're looking to visit Oulu when it rains the least, you should plan your trip for August, July, September. During this time, rainfall is rare with the driest month being January with only 2 mm of rain.
Other cities in Finland
Check out the weather for other cities in Finland.
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, 2022.
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.