Weather Helsinki - Selected year and month

Current weather  

Year:
2006      2007      2008      2009     2010      2011      2012      2013      2014      2015      2016      2017      2018      2019      2020      2021      2022      2023      2024     
Month:   01     02     03     04     05     06     07     08     09     10     11     12     
Weather statistics of month 09/2009
month curves
Low temperature 0.0°C 2009-09-30 01:20
High temperature +22.0°C 2009-09-02 14:50
Low wind chill -3.5°C 2009-09-30 01:20
Average temperature +13.0°C  
High wind speed (10min) 11.0m/s 2009-09-09 14:50
Low pressure 993.0hPa 2009-09-28 20:50
High pressure 1029.0hPa 2009-09-14 22:20
Low R.H 47% 2009-09-11 12:20
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