Weather in Finland for August 2025
In general, the average temperature in Finland at the beginning of August is 20.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.6 °C by the end of August.
Finland experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 100.6 mm.
Temperatures
Rain 🌧️
Finland in August average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 19° | 2 20° | 3 20° | ||||
4 21° | 5 22° | 6 21° | 7 21° | 8 21° | 9 21° | 10 20° |
11 21° | 12 21° | 13 22° | 14 22° | 15 21° | 16 22° | 17 22° |
18 20° | 19 20° | 20 20° | 21 20° | 22 20° | 23 19° | 24 18° |
25 20° | 26 19° | 27 20° | 28 21° | 29 20° | 30 19° | 31 18° |
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Temperatures trend during August in Finland
August weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Aug. | Moderate or heavy rain shower | 19° /13° | 7.1 mm | 4 | |
2 Aug. | Cloudy | 20° /14° | 3.9 mm | 5 | |
3 Aug. | Moderate rain at times | 20° /12° | 4.7 mm | 5 | |
4 Aug. | Patchy rain possible | 21° /14° | 5.1 mm | 5 | |
5 Aug. | Partly cloudy | 22° /14° | 1.2 mm | 6 | |
6 Aug. | Sunny | 21° /13° | 1.7 mm | 5 | |
7 Aug. | Moderate rain at times | 21° /15° | 1.3 mm | 6 | |
8 Aug. | Moderate or heavy rain shower | 21° /14° | 4.3 mm | 5 | |
9 Aug. | Partly cloudy | 21° /14° | 2.2 mm | 5 | |
10 Aug. | Patchy rain possible | 20° /13° | 7.4 mm | 5 | |
11 Aug. | Partly cloudy | 21° /14° | 0.7 mm | 5 | |
12 Aug. | Patchy rain possible | 21° /13° | 1.1 mm | 5 | |
13 Aug. | Moderate or heavy rain shower | 22° /14° | 0.5 mm | 6 | |
14 Aug. | Moderate or heavy rain shower | 22° /15° | 2 mm | 5 | |
15 Aug. | Sunny | 21° /14° | 2.4 mm | 6 | |
16 Aug. | Overcast | 22° /16° | 2.2 mm | 5 | |
17 Aug. | Moderate or heavy rain shower | 22° /15° | 7.6 mm | 5 | |
18 Aug. | Partly cloudy | 20° /14° | 2.7 mm | 5 | |
19 Aug. | Moderate or heavy rain shower | 20° /14° | 5.1 mm | 5 | |
20 Aug. | Cloudy | 20° /13° | 0.1 mm | 5 | |
21 Aug. | Heavy rain at times | 20° /14° | 1.2 mm | 5 | |
22 Aug. | Patchy rain possible | 20° /13° | 2.9 mm | 5 | |
23 Aug. | Patchy rain possible | 19° /11° | 2.7 mm | 4 | |
24 Aug. | Overcast | 18° /12° | 2.1 mm | 4 | |
25 Aug. | Moderate or heavy rain shower | 20° /12° | 7.3 mm | 5 | |
26 Aug. | Patchy rain possible | 19° /13° | 2.2 mm | 5 | |
27 Aug. | Patchy rain possible | 20° /13° | 1.8 mm | 5 | |
28 Aug. | Partly cloudy | 21° /13° | 6 mm | 5 | |
29 Aug. | Overcast | 20° /14° | 0.7 mm | 4 | |
30 Aug. | Partly cloudy | 19° /12° | 2 mm | 5 | |
31 Aug. | Partly cloudy | 18° /11° | 8.6 mm | 4 | |
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Guide for Finland in August
In August, Finland experiences a transition from the tail end of summer to the beginning of autumn. At the start of the month, the weather in Finland is generally mild and pleasant, with average temperatures ranging from 15° in the south to 12° in the north.
The days are long, providing ample daylight for outdoor activities and exploration. However, occasional rainfall can be expected, particularly in the southern and western regions, so it's advisable to pack an umbrella or raincoat.
As the month progresses, Finland begins to witness a gradual cooling trend, especially in the northern areas where temperatures can drop to around 10°. The southern parts of the country also experience a decrease in temperatures, with averages hovering around 13°.
Additionally, the likelihood of rainfall increases towards the end of August, so visitors should be prepared for potentially wet conditions.
Overall, August in Finland offers a mix of comfortable temperatures, extended daylight hours, and the chance to witness the changing landscapes as summer gives way to the onset of autumn.
It's a great time to partake in outdoor activities such as hiking, berry picking, and enjoying the natural beauty of this Nordic country.
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Finland in August - FAQ
August rainfall patterns in Finland
UV exposure in Finland during August
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