Monthly weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
18 August, Sunday. day, 19°; night, 15°; rain19 August, Monday. day, 18°; night, 15°; rain20 August, Tuesday. day, 18°; night, 14°; rain21 August, Wednesday. day, 18°; night, 15°; partly cloudy22 August, Thursday. day, 18°; night, 15°; clear23 August, Friday. day, 18°; night, 14°; partly cloudy24 August, Saturday. day, 19°; night, 15°; light rain
25 August, Sunday. day, 24°; night, 15°; mostly clear26 August, Monday. day, 19°; night, 16°; partly cloudy27 August, Tuesday. day, 20°; night, 13°; light rain28 August, Wednesday. day, 20°; night, 14°; partly cloudy29 August, Thursday. day, 21°; night, 17°; clear30 August, Friday. day, 22°; night, 18°; mostly clear31 August, Saturday. day, 22°; night, 18°; light rain
1 September, Sunday. day, 21°; night, 16°; rain2 September, Monday. day, 20°; night, 15°; light rain3 September, Tuesday. day, 18°; night, 13°; partly cloudy4 September, Wednesday. day, 19°; night, 12°; partly cloudy5 September, Thursday. day, 18°; night, 17°; partly cloudy6 September, Friday. day, 20°; night, 19°; clear7 September, Saturday. day, 19°; night, 16°; partly cloudy
8 September, Sunday. day, 18°; night, 18°; light rain9 September, Monday. day, 19°; night, 17°; partly cloudy10 September, Tuesday. day, 17°; night, 15°; rain11 September, Wednesday. day, 16°; night, 15°; rain12 September, Thursday. day, 16°; night, 14°; light rain13 September, Friday. day, 15°; night, 13°; rain14 September, Saturday. day, 14°; night, 13°; rain
15 September, Sunday. day, 17°; night, 17°; partly cloudy16 September, Monday. day, 16°; night, 13°; rain17 September, Tuesday. day, 15°; night, 13°; light rain18 September, Wednesday. day, 14°; night, 12°; mostly clear19 September, Thursday. day, 15°; night, 13°; mostly clear20 September, Friday. day, 16°; night, 16°; partly cloudy21 September, Saturday. day, 16°; night, 12°; rain

Average for 30 days

8 sunny days; 13 days with precipitation; 9 cloudy days;
air humidity 75%; 17 millimeters of precipitation (3% of annual average); Wind south-westerly 6.6 Meters per second; Water temperature +20°