Weather Helsinki - Selected year and month

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Month:   01     02     03     04     05     06     07     08     09     10     11     12     
Weather statistics of month 05/2007
month curves
 
Low temperature -3.0°C 2007-05-01 04:50
High temperature +28.0°C 2007-05-29 14:50
Low wind chill -7.1°C 2007-05-01 04:50
Average temperature +10.9°C  
High wind speed (10min) 11.0m/s 2007-05-06 14:50
Low pressure 990.0hPa 2007-05-09 13:20
High pressure 1021.0hPa 2007-05-21 05:50
Low R.H 21% 2007-05-01 15:20
Days with maxtemp >= +25 °C 2   
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