Monthly weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
18 August, Sunday. day, 20°; night, 15°; partly cloudy19 August, Monday. day, 22°; night, 11°; light rain20 August, Tuesday. day, 20°; night, 15°; partly cloudy21 August, Wednesday. day, 21°; night, 18°; partly cloudy22 August, Thursday. day, 19°; night, 15°; rain23 August, Friday. day, 20°; night, 17°; light rain24 August, Saturday. day, 20°; night, 18°; overcast
25 August, Sunday. day, 20°; night, 15°; partly cloudy26 August, Monday. day, 19°; night, 14°; light rain27 August, Tuesday. day, 19°; night, 15°; light rain28 August, Wednesday. day, 20°; night, 14°; light rain29 August, Thursday. day, 20°; night, 14°; partly cloudy30 August, Friday. day, 16°; night, 16°; light rain31 August, Saturday. day, 18°; night, 15°; clear
1 September, Sunday. day, 18°; night, 17°; clear2 September, Monday. day, 19°; night, 17°; clear3 September, Tuesday. day, 18°; night, 16°; clear4 September, Wednesday. day, 16°; night, 13°; partly cloudy5 September, Thursday. day, 15°; night, 13°; clear6 September, Friday. day, 17°; night, 16°; mostly clear7 September, Saturday. day, 19°; night, 18°; clear
8 September, Sunday. day, 19°; night, 18°; partly cloudy9 September, Monday. day, 18°; night, 16°; rain10 September, Tuesday. day, 17°; night, 17°; light rain11 September, Wednesday. day, 15°; night, 15°; light rain12 September, Thursday. day, 16°; night, 14°; rain13 September, Friday. day, 14°; night, 14°; rain14 September, Saturday. day, 15°; night, 13°; light rain
15 September, Sunday. day, 15°; night, 12°; clear16 September, Monday. day, 14°; night, 13°; clearNext, the average data for 10 years17 September, Tuesday. day, 13°; night, 11°; rain18 September, Wednesday. day, 14°; night, 11°; rain19 September, Thursday. day, 14°; night, 12°; partly cloudy20 September, Friday. day, 14°; night, 11°; rain21 September, Saturday. day, 13°; night, 11°; rain

Average for 30 days

11 sunny days; 11 days with precipitation; 8 cloudy days;
air humidity 75%; 12 millimeters of precipitation (2% of annual average); Wind south-westerly 6.5 Meters per second; Water temperature +20°