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The weather in January in Jersey
It's cool in January in Jersey with an average temperature of 10°C. Temperatures this month range from a low of 7°C to a high of 11°C. At night, you can expect temperatures between 3°C and 8°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Jersey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 14°C in 2022, Jersey reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 1°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 12°C.
Rainfall amount
In January, there is an average of 81 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Daily weather in January for Jersey
Click on any day in January to get detailed info about the usual weather on that day in Jersey. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Jersey | New York | |
|---|---|---|
| Average temperature | 10°C | 5°C |
| Max. temperature | 11°C | 11°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 81 mm | 97 mm |
| Rainy days | 11 days | 12 days |
Start of January
The month of January starts in Jersey with cold temps, averaging around 11°C during the day and nights around 7°C.
Mid January
By mid-January, daytime temps drop to around 9°C, with nights around 5°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Jersey is around 10°C, while nighttime temps are about 6°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Jersey for all months and discover the best travel time
The climate in Jersey is based on weather data from Saint Helier. Other spots might have different weather. You can check out all destinations in Jersey to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in January in Jersey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Jersey
Temperature in January in Jersey over the years
Precipitation charts
These charts show the average amount of precipitation in January in Jersey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Jersey
Total precipitation in January in Jersey over the years
Daily UV index in January in Jersey
This chart shows the average daily UV index in January in Jersey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Jersey
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Average weather in Jersey by month
Click on a month below to see detailed weather info for Jersey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.