Currently: 50 °F. Clear. (Weather station: Liverpool Airport, United Kingdom). See more current weatherAnnual Weather Averages Near St Helens
Averages are for Liverpool Airport, which is 9 miles from St Helens.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in St Helens
High Temp: 70 °F
Low Temp: 38 °F
Mean Temp: 52 °F
Precipitation: 2.36"
Humidity: 80%
Dew Point: 46 °F
Wind: 20 mph
Pressure: 29.95 "Hg
Visibility: 6 mi
January Climate & Weather Averages in St Helens
High Temp: 47 °F
Low Temp: 38 °F
Mean Temp: 42 °F
Precipitation: 2.53"
Humidity: 86%
Dew Point: 38 °F
Wind: 22 mph
Pressure: 29.88 "Hg
Visibility: 6 mi
February Climate & Weather Averages in St Helens
High Temp: 47 °F
Low Temp: 38 °F
Mean Temp: 43 °F
Precipitation: 2.55"
Humidity: 82%
Dew Point: 37 °F
Wind: 22 mph
Pressure: 29.91 "Hg
Visibility: 6 mi
March Climate & Weather Averages in St Helens
High Temp: 51 °F
Low Temp: 39 °F
Mean Temp: 45 °F
Precipitation: 1.99"
Humidity: 79%
Dew Point: 39 °F
Wind: 21 mph
Pressure: 29.98 "Hg
Visibility: 6 mi
April Climate & Weather Averages in St Helens
High Temp: 56 °F
Low Temp: 42 °F
Mean Temp: 49 °F
Precipitation: 1.60"
Humidity: 74%
Dew Point: 41 °F
Wind: 20 mph
Pressure: 29.99 "Hg
Visibility: 6 mi
May Climate & Weather Averages in St Helens
High Temp: 62 °F
Low Temp: 47 °F
Mean Temp: 55 °F
Precipitation: 2.01"
Humidity: 73%
Dew Point: 46 °F
Wind: 19 mph
Pressure: 29.99 "Hg
Visibility: 6 mi
June Climate & Weather Averages in St Helens
High Temp: 67 °F
Low Temp: 53 °F
Mean Temp: 60 °F
Precipitation: 2.44"
Humidity: 75%
Dew Point: 52 °F
Wind: 18 mph
Pressure: 29.99 "Hg
Visibility: 7 mi
July Climate & Weather Averages in St Helens
High Temp: 70 °F
Low Temp: 57 °F
Mean Temp: 63 °F
Precipitation: 2.28"
Humidity: 75%
Dew Point: 55 °F
Wind: 17 mph
Pressure: 29.98 "Hg
Visibility: 6 mi
August Climate & Weather Averages in St Helens
High Temp: 68 °F
Low Temp: 56 °F
Mean Temp: 62 °F
Precipitation: 2.66"
Humidity: 78%
Dew Point: 55 °F
Wind: 19 mph
Pressure: 29.95 "Hg
Visibility: 6 mi
September Climate & Weather Averages in St Helens
High Temp: 64 °F
Low Temp: 52 °F
Mean Temp: 58 °F
Precipitation: 1.94"
Humidity: 81%
Dew Point: 52 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 6 mi
October Climate & Weather Averages in St Helens
High Temp: 58 °F
Low Temp: 48 °F
Mean Temp: 53 °F
Precipitation: 2.62"
Humidity: 84%
Dew Point: 48 °F
Wind: 20 mph
Pressure: 29.92 "Hg
Visibility: 6 mi
November Climate & Weather Averages in St Helens
High Temp: 51 °F
Low Temp: 42 °F
Mean Temp: 47 °F
Precipitation: 2.52"
Humidity: 86%
Dew Point: 43 °F
Wind: 20 mph
Pressure: 29.88 "Hg
Visibility: 6 mi
December Climate & Weather Averages in St Helens
High Temp: 49 °F
Low Temp: 40 °F
Mean Temp: 44 °F
Precipitation: 3.14"
Humidity: 87%
Dew Point: 41 °F
Wind: 21 mph
Pressure: 29.87 "Hg
Visibility: 6 mi