Monthly weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
25 August, Sunday. day, 18°; night, 14°; overcast26 August, Monday. day, 17°; night, 15°; overcast27 August, Tuesday. day, 16°; night, 14°; clear28 August, Wednesday. day, 16°; night, 13°; rain29 August, Thursday. day, 16°; night, 13°; rain30 August, Friday. day, 24°; night, 18°; partly cloudy31 August, Saturday. day, 17°; night, 12°; heavy rain
1 September, Sunday. day, 16°; night, 13°; light rain2 September, Monday. day, 18°; night, 15°; light rain3 September, Tuesday. day, 20°; night, 16°; light rain4 September, Wednesday. day, 22°; night, 17°; partly cloudy5 September, Thursday. day, 23°; night, 17°; light rain6 September, Friday. day, 21°; night, 16°; light rain7 September, Saturday. day, 22°; night, 16°; mostly clear
8 September, Sunday. day, 20°; night, 15°; partly cloudy9 September, Monday. day, 20°; night, 14°; partly cloudy10 September, Tuesday. day, 20°; night, 15°; partly cloudy11 September, Wednesday. day, 17°; night, 17°; rain12 September, Thursday. day, 17°; night, 16°; rain13 September, Friday. day, 17°; night, 16°; light rain14 September, Saturday. day, 17°; night, 15°; clear
15 September, Sunday. day, 17°; night, 16°; mostly clear16 September, Monday. day, 14°; night, 8°; light rain17 September, Tuesday. day, 10°; night, 9°; clear18 September, Wednesday. day, 11°; night, 9°; clear19 September, Thursday. day, 10°; night, 10°; mostly clear20 September, Friday. day, 13°; night, 13°; clear21 September, Saturday. day, 13°; night, 9°; rain
22 September, Sunday. day, 11°; night, 10°; partly cloudy23 September, Monday. day, 11°; night, 9°; clear24 September, Tuesday. day, 11°; night, 12°; light rain25 September, Wednesday. day, 14°; night, 13°; rain26 September, Thursday. day, 13°; night, 11°; light rain27 September, Friday. day, 10°; night, 9°; partly cloudy28 September, Saturday. day, 10°; night, 9°; light rain

Average for 30 days

13 sunny days; 10 days with precipitation; 7 cloudy days;
air humidity 74%; 35 millimeters of precipitation (5% of annual average); Wind south-easterly 5.4 Meters per second; Water temperature +19°