In general the best time to visit Pori 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 usually has good weather. Average maximum temperature reaches +14°C during May.
In January, February, March, April, June, July, August, September, October the weather is average. Expect around 96 rainy days, and the precipitation amounts to approximately 83 mm in August.
November, December bring not the best weather. December is the coldest month with the temperature going down to -4°C.
Climate in Pori
Here is the detailed breakdown of the climate in Pori for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+8°C
+8°C
+14°C
+22°C
+29°C
+31°C
+33°C
+32°C
+25°C
+20°C
+14°C
+11°C
Average Maximum Temperature
-2°C
-2°C
+2°C
+8°C
+14°C
+18°C
+21°C
+19°C
+14°C
+8°C
+3°C
0°C
Minimum Temperature
-34°C
-30°C
-23°C
-11°C
-4°C
+1°C
+5°C
+3°C
-3°C
-15°C
-19°C
-27°C
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
87
86
82
76
73
75
78
80
83
85
87
87
Rain, mm
11
7
10
26
40
58
80
83
65
61
41
23
Snow, mm
33
26
24
10
1
0
0
0
0
6
17
29
Average wind speed, m/s
3
3
3
3
3
3
2
2
3
3
3
3
Sunny Days
2
3
5
7
9
7
7
5
3
2
1
1
Cloud Days
13
13
13
10
9
8
7
7
11
12
12
12
Rainy Days
2
1
3
9
13
15
17
19
16
14
9
5
Snowy Days
14
11
11
5
0
0
0
0
0
2
8
12
Average Temperature
Here are the average maximum and minimum temperatures in Pori during the whole year:
The hottest month in Pori is July with average maximum temperature going up to +21°C. The coldest month is January with the lowest temperatures of -7°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Pori looks throughout the year, in %:
The most humid month in Pori is December with average humidity going up to 87%. The least humid month is May with an average humidity of 73%.
Rain
Amount of rainfall in mm. in Pori 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 40 mm. The rainiest and wettest month is August with approximately 19 rainy days and 83 mm of total precipitation.
Snow
Amount of snow in mm. in Pori during the whole year based on historical data:
The snowiest month is January with approximately 14 snowy days.
FAQ
Frequently asked questions about the weather in Pori:
What is the hottest month in Pori?
The hottest month in Pori is July with average maximum temperature of +21°C.
What is the coldest month in Pori?
The coldest month in Pori is January with minimum temperatures of -7°C.
Is Pori worth visiting in winter?
Winter in Pori could be a good time to visit, as the weather is generally ok.
When does it rain the least in Pori?
if you're looking to visit Pori 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 February with only 7 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 Pori, 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.