Weather in Jersey in January 2026
- January is usually the wettest month of the year in Jersey;
Average weather
Average temperature in Jersey in January
The temperature in January is +48°F on average, with a range between a maximum of +54°F during the day and a minimum of +32°F at night.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +54°F to +50°F.
Is Jersey warm or cold in January?
Jersey is typically chill in January.
Maximum temperatures go down compared to the previous month from +50°F to +48°F. The minimum temperature also goes down from +45°F to +43°F.
Pack a jumper and a jacket as there will be cooler temperatures.
January is one of the coolest months in Jersey, here is the comparison with other months:
Climate in Jersey in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +50°F | +48°F | +46°F | ||||
| Min. temperature | ||||||
| +28°F | +18°F | +18°F | ||||
| Max. temperature | ||||||
| +57°F | +55°F | +63°F | ||||
| Rainfall | ||||||
| 117 mm | 91 mm | 70 mm | ||||
| Wind | ||||||
| 6 m/s | 6 m/s | 6 m/s | ||||
| Humidity | ||||||
| 83% | 84% | 83% | ||||
| Air pressure | ||||||
| 1015 HPa | 1017 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 2 | ||||
| Cloudy days | ||||||
| 9 | 9 | 9 | ||||
| Rainy days | ||||||
| 20 | 20 | 16 | ||||
| Snowy days | ||||||
| 0 | 1 | 1 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +50°F in the day, the average maximum temperature lowers to +48°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 117 mm to 91 mm. Humidity rises from 83% to 84%. The average wind speed doesn’t change much during January, staying around 6 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 7 m/s getting up to 12 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Jersey is gradually decreasing during January, going from 6 m/s to 5 m/s over the course of the month.
Rain
How was the weather last January in Jersey?
Climate Change Over the Years
The climate in Jersey in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+53°F) and the highest in 2020 (+59°F). The driest year was 1989 with only 603 mm of rainfall, and the wettest year was 2020 with 1376 mm.
FAQ
Is January a good time to visit Jersey?
Can you sunbathe in Jersey in January?
Is Jersey rainy in January?
Is it sunny in Jersey in January?
Monthly weather in Jersey
Source of the data
For this page, we’ve looked at the typical weather in Jersey, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
