The best time to visit Jersey is July through September. In this period you have a pleasant temperature and almost no precipitation. On the island of Jersey, the warmest month is July with 18°C and the coldest is January with 9°C.
In the table below you can quickly find the monthly average weather in Jersey, the monthly temperature or when it rains the most. Monthly averages are based on weather data from the last 30 years.
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The weather for Jersey over the next 14 days will be 15°C till 19° with a few days chance of light rain showers or even quite a bit of rain. The water temperature will be 18°C.
The weather forecast for Jersey is based on the weather in Saint Helier.
Jersey has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Jersey is 13° degrees and there is about 443 mm of rain in a year. It is dry for 149 days a year with an average humidity of 80% and an UV-index of 4.
What is the average Jersey weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
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9°C
11°C