Normal weather for Jersey in January
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.
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.
Jersey in January |
New York | ||
|---|---|---|---|
 Average Temperature |
10°C | 5°C | |
 High Temp |
11°C | 11°C | |
| Low Temp |
7°C | 1°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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
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. Wear a thick jacket, sweater, and long pants.
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.
Because temperatures drop in the evening, wearing layers is recommended. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
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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.
Temperature records for Jersey in January
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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.
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Daily Temperature in January in Jersey
This chart shows the average daily high and low temperatures in January for Jersey, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Jersey
The chart below shows the average daily precipitation in January for Jersey, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 11 days of precipitation in Jersey.
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.
Temperature in January in Jersey Over the Years
This chart shows the average temperature in January in Jersey, measured in degrees Celsius, over the past few years.
Total Precipitation in January in Jersey Over the Years
This chart shows the average precipitation in January in Jersey, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate 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.
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.
