Jersey Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

  • Jersey, Channel Islands latitude & longitude; 49°13'N 2°12'W.
  • Altitude; 84 m (276 ft).
  • The average temperature in Jersey, Channel Islands is 11.3 °C (52 °F).
  • The range of average monthly temperatures is 11.5 °C.
  • The warmest average max/ high temperature is 21 °C (70 °F) in August.
  • The coolest average min/ low temperature is 4 °C (39 °F) in January & February.
  • Jersey receives on average 880 mm (34.6 in) of precipitation annually or 73 mm (2.9 in) each month.
  • On balance there are 198 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 17 days on an average month.
  • The month with the driest weather is May, June & July when on balance 40 mm (1.6 in) of rainfall (precipitation) occurrs.
  • The month with the wettest weather is October, November & December when on balance 115 mm (4.5 in) of rainfall (precipitation) occurrs.
  • Mean relative humidity for an average year is recorded as 84.3% and on a monthly basis it ranges from 78% in June, July, August & September to 93% in February.
  • There is an average range of hours of sunshine in Jersey of between 1.8 hours per day in December and 8.4 hours per day in June.
  • On balance there are 1882 sunshine hours annually and approximately 5.2 sunlight hours for each day.

Jersey Climate Graph (Metric | Imperial units)

Jersey Climate Graph

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Jersey Weather Averages

  Average Minimum Temperatures in Jersey, Channel Islands (°C) Average Maximum Temperature in Jersey, Channel Islands (°C) Jersey Average Temperature (°C) Average Sea Temp (°C) Average Precipitation/ Rainfall (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Jersey (Beaufort) Average Number of Days with Frost  
Weather in Jersey in January 4 8 6 - 90 22 2.1 88 - - Average Temperature in Jersey in January
Weather in Jersey in February 4 8 6 - 65 17 3.2 93 - - Average Temperature in Jersey in February
Weather in Jersey in March 5 10 8 - 65 19 5.0 88.0 - - Average Temperature in Jersey in March
Weather in Jersey in April 7 12 10 - 65 16 6.4 83 - - Average Temperature in Jersey in April
Weather in Jersey in May 9 16 13 - 40 13 7.4 88 - - Average Temperature in Jersey in May
Weather in Jersey in June 11 18 15 - 40 11 8.4 78 - - Average Temperature in Jersey in June
Weather in Jersey in July 14 20 17 - 40 13 7.7 78 - - Average Temperature in Jersey in July
Weather in Jersey in August 14 21 17.5 - 65 14 7.4 78 - - Average Temperature in Jersey in August
Weather in Jersey in September 12 19 16 - 65 13 5.8 78 - - Average Temperature in Jersey in September
Weather in Jersey in October 10 15 13 - 115 19 4.1 83 - - Average Temperature in Jersey in October
Weather in Jersey in November 7 12 10 - 115 20 2.5 88 - - Average Temperature in Jersey in November
Weather in Jersey in December 5 10 7.5 - 115 21 1.8 88 - - Average Temperature in Jersey in December

Jersey Climograph/ Climate Chart (imperial)

Jersey Temperature Chart

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Jersey Temperatures in Farenheit

  Average Minimum Temperatures in Jersey, Channel Islands (°F) Average Maximum Temperature in Jersey, Channel Islands (°F) Average Temperature (°F) Average Sea Temp (°F) Average Precipitation/ Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Jersey in January 39 46 43 - 3.5 22 2.1 88 - - Climate in Jersey in January
Temperatures in Jersey in February 39 46 43 - 2.6 17 3.2 93 - - Climate in Jersey in February
Temperatures in Jersey in March 41 50 46 - 2.6 19 5.0 88 - - Climate in Jersey in March
Temperatures in Jersey in April 45 54 49 - 2.6 16 6.4 83 - - Climate in Jersey in April
Temperatures in Jersey in May 48 61 55 - 1.6 13 7.4 88 - - Climate in Jersey in May
Temperatures in Jersey in June 52 64 58 - 1.6 11 8.4 78 - - Climate in Jersey in June
Temperatures in Jersey in July 57 68 63 - 1.6 13 7.7 78 - - Climate in Jersey in July
Temperatures in Jersey in August 57 70 64 - 2.6 14 7.4 78 - - Climate in Jersey in August
Temperatures in Jersey in September 54 66 60 - 2.6 13 5.8 78 - - Climate in Jersey in September
Temperatures in Jersey in October 50 59 55 - 4.5 19 4.1 83 - - Climate in Jersey in October
Temperatures in Jersey in November 45 54 49 - 4.5 20 2.5 88 - - Climate in Jersey in November
Temperatures in Jersey in December 41 50 46 - 4.5 21 1.8 88 - - Climate in Jersey in December

Forum: Jersey, Channel Islands

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