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Climate & Weather Averages in Saint Helier, Jersey, Jersey

Currently: 55 °F. Overcast. (Weather station: Jersey Airport, Jersey). See more current weather

Annual Weather Averages Near Saint Helier

Averages are for Jersey Airport, which is 4 miles from Saint Helier.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Saint Helier

High Temp: 69 °F

Low Temp: 40 °F

Mean Temp: 53 °F

Precipitation: 1.89"

Humidity: 82%

Dew Point: 48 °F

Wind: 24 mph

Pressure: 30.03 "Hg

Visibility: 10 mi

January Climate & Weather Averages in Saint Helier

High Temp: 48 °F

Low Temp: 41 °F

Mean Temp: 44 °F

Precipitation: 2.49"

Humidity: 86%

Dew Point: 40 °F

Wind: 28 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Saint Helier

High Temp: 48 °F

Low Temp: 40 °F

Mean Temp: 44 °F

Precipitation: 2.02"

Humidity: 84%

Dew Point: 40 °F

Wind: 27 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Saint Helier

High Temp: 51 °F

Low Temp: 42 °F

Mean Temp: 47 °F

Precipitation: 1.53"

Humidity: 83%

Dew Point: 41 °F

Wind: 25 mph

Pressure: 30.06 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Saint Helier

High Temp: 55 °F

Low Temp: 44 °F

Mean Temp: 50 °F

Precipitation: 1.30"

Humidity: 80%

Dew Point: 43 °F

Wind: 23 mph

Pressure: 29.99 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Saint Helier

High Temp: 60 °F

Low Temp: 49 °F

Mean Temp: 55 °F

Precipitation: 1.17"

Humidity: 81%

Dew Point: 48 °F

Wind: 22 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Saint Helier

High Temp: 65 °F

Low Temp: 54 °F

Mean Temp: 59 °F

Precipitation: 1.16"

Humidity: 81%

Dew Point: 53 °F

Wind: 20 mph

Pressure: 30.06 "Hg

Visibility: 10 mi

July Climate & Weather Averages in Saint Helier

High Temp: 68 °F

Low Temp: 57 °F

Mean Temp: 63 °F

Precipitation: 1.08"

Humidity: 82%

Dew Point: 56 °F

Wind: 20 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

August Climate & Weather Averages in Saint Helier

High Temp: 69 °F

Low Temp: 58 °F

Mean Temp: 63 °F

Precipitation: 1.35"

Humidity: 82%

Dew Point: 57 °F

Wind: 20 mph

Pressure: 30.03 "Hg

Visibility: 11 mi

September Climate & Weather Averages in Saint Helier

High Temp: 66 °F

Low Temp: 55 °F

Mean Temp: 61 °F

Precipitation: 1.83"

Humidity: 80%

Dew Point: 54 °F

Wind: 22 mph

Pressure: 30.05 "Hg

Visibility: 11 mi

October Climate & Weather Averages in Saint Helier

High Temp: 60 °F

Low Temp: 52 °F

Mean Temp: 56 °F

Precipitation: 2.68"

Humidity: 82%

Dew Point: 50 °F

Wind: 25 mph

Pressure: 29.98 "Hg

Visibility: 11 mi

November Climate & Weather Averages in Saint Helier

High Temp: 54 °F

Low Temp: 47 °F

Mean Temp: 50 °F

Precipitation: 2.89"

Humidity: 84%

Dew Point: 45 °F

Wind: 27 mph

Pressure: 29.97 "Hg

Visibility: 10 mi

December Climate & Weather Averages in Saint Helier

High Temp: 50 °F

Low Temp: 42 °F

Mean Temp: 46 °F

Precipitation: 3.14"

Humidity: 85%

Dew Point: 42 °F

Wind: 29 mph

Pressure: 30.02 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthAugust (63 °F avg)
Coldest MonthFebruary (44 °F avg)
Wettest MonthDecember (3.14" avg)
Windiest MonthDecember (29 mph avg)
Annual precip.22.64" (per year)

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