Southern Finland weather in August 2025

The temperatures in Southern Finland in August are comfortable with low of 15°C and and high up to 19°C.

You can expect about 3 to 8 days of rain in Southern Finland during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Southern Finland in August 2025.

If you’re planning to visit Southern Finland in the near future, we highly recommend that you review the 14 day weather forecast for Southern Finland before you arrive.

Temperatures

19° / 15°

Rainy Days

Snowy Days

Dry Days

Rainfall

135

Sun Hours

10.1

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 18° /13°	2 20° /14°
3 19° /13°	4 20° /13°	5 21° /14°	6 20° /14°	7 20° /15°	8 21° /14°	9 21° /15°
10 20° /14°	11 20° /14°	12 20° /13°	13 21° /14°	14 20° /15°	15 21° /15°	16 21° /16°
17 21° /15°	18 20° /15°	19 18° /13°	20 20° /14°	21 20° /14°	22 19° /13°	23 18° /12°
24 18° /13°	25 19° /12°	26 19° /13°	27 20° /13°	28 21° /14°	29 20° /14°	30 18° /13°
31 18° /12°

Explore the weather in Southern Finland in other months

Southern Finland annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	-2° / -5°	4	8	19	60 mm	Awful	Southern Finland in January
February	-2° / -5°	4	7	17	51 mm	Awful	Southern Finland in February
March	1° / -3°	7	10	15	46 mm	Awful	Southern Finland in March
April	5° / 2°	6	18	6	42 mm	Awful	Southern Finland in April
May	11° / 7°	5	25	1	60 mm	Ok	Southern Finland in May
June	16° / 12°	6	24	0	83 mm	Good	Southern Finland in June
July	20° / 16°	6	25	0	106 mm	Good	Southern Finland in July
August	19° / 15°	7	24	0	135 mm	Ok	Southern Finland in August
September	15° / 12°	6	24	0	91 mm	Good	Southern Finland in September
October	9° / 6°	8	20	3	90 mm	Awful	Southern Finland in October
November	5° / 3°	7	18	5	76 mm	Awful	Southern Finland in November
December	1° / -1°	7	11	14	72 mm	Awful	Southern Finland in December