May Weather Averages for Helsinki

High Temp13°C55°F
Low Temp7°C44°F
Avg Temp10°C50°F
Sunshine Hours199 hours 
Rainfall51.75 mm2.04 In
Rain days8 days 
Pressure1015 mb30 In

 

Helsinki May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200915°C / 59°F7°C / 45°F11°C / 52°F220 hours50.90 mm / 2.00 In9 days1015 mb / 30 In
201014°C / 57°F8°C / 46°F11°C / 51°F164 hours86.07 mm / 3.39 In10 days1012 mb / 30 In
201112°C / 53°F6°C / 43°F9°C / 48°F207 hours47.90 mm / 1.89 In10 days1017 mb / 30 In
201212°C / 54°F7°C / 44°F10°C / 49°F230 hours52.33 mm / 2.06 In5 days1015 mb / 30 In
201314°C / 56°F8°C / 47°F11°C / 52°F224 hours40.45 mm / 1.59 In8 days1014 mb / 30 In
201412°C / 54°F7°C / 44°F10°C / 49°F144 hours85.48 mm / 3.37 In15 days1015 mb / 30 In
201511°C / 51°F6°C / 43°F8°C / 47°F167 hours51.70 mm / 2.04 In9 days1010 mb / 30 In
201615°C / 59°F9°C / 49°F12°C / 54°F257 hours36.01 mm / 1.42 In3 days1017 mb / 31 In
201711°C / 52°F5°C / 41°F8°C / 47°F197 hours28.00 mm / 1.10 In6 days1017 mb / 30 In
201817°C / 62°F10°C / 49°F13°C / 56°F285 hours26.00 mm / 1.02 In4 days1022 mb / 31 In
201912°C / 53°F6°C / 43°F9°C / 48°F198 hours67.70 mm / 2.67 In9 days1012 mb / 30 In
202012°C / 53°F5°C / 41°F9°C / 47°F148 hours54.08 mm / 2.13 In10 days1014 mb / 30 In
202112°C / 53°F6°C / 43°F9°C / 48°F121 hours111.48 mm / 4.39 In13 days1011 mb / 30 In
202212°C / 53°F5°C / 41°F8°C / 47°F138 hours66.40 mm / 2.61 In10 days1012 mb / 30 In
202314°C / 57°F6°C / 42°F10°C / 50°F200 hours41.30 mm / 1.63 In7 days1022 mb / 31 In
202415°C / 60°F7°C / 45°F11°C / 53°F253 hours13.72 mm / 0.54 In1 days1021 mb / 31 In
202512°C / 53°F5°C / 41°F9°C / 48°F135 hours34.14 mm / 1.34 In3 days1011 mb / 30 In
202614°C / 58°F7°C / 44°F11°C / 51°F293 hours37.79 mm / 1.49 In10 days1012 mb / 30 In

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Helsinki weather history: common questions

How far back does Helsinki weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Helsinki historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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