Weather Helsinki - Selected year and month

Current weather  

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Month:   01     02     03     04     05     06     07     08     09     10     11     12     
Weather statistics of month 09/2011
month curves
Low temperature +6.0°C 2011-09-24 22:20
High temperature +22.0°C 2011-09-30 13:50
Low wind chill 3.1°C 2011-09-25 02:50
Average temperature +13.1°C  
High wind speed (10min) 10.0m/s 2011-09-14 04:50
Low pressure 984.0hPa 2011-09-14 07:20
High pressure 1021.0hPa 2011-09-04 23:50
Low R.H 51% 2011-09-11 16:20
daily averages

If mean daily temperature is continuously:
< 0 °C = thermal winter,   > +10°C = thermal summer
0°C - +10°C = thermal spring or thermal autumn

Unit conversions:
  • Temperature: 0 °C = 32 °F,    (°F = 32 +1.8*°C)
  • Wind speed:  1 m/s = 3,6 km/h = 2.23694 mph = 1.94387 kt