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Weather in St Helier for January 2026

Your guide to St Helier weather in January - trends and predictions

    Snow Forecast ❄️

  • Snowfall in St Helier during January is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in St Helier at the beginning of January is 10.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.6 °C by the end of January.

    • Rain 🌧️

  • St Helier experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 100.3 mm.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
1
Snow days
Average temperatures
9°/7°
Temperatures
Average wind speed
40 km/h
Avg max wind
Average humidity
74 %
Avg humidity

St Helier Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
12°
2
Light rain shower
10°
3
Heavy rain at times
10°
4
Patchy rain possible
11°
5
Patchy rain possible
12°
6
Moderate rain at times
11°
7
Heavy rain at times
10°
8
Heavy rain at times
8°
9
Patchy rain possible
7°
10
Moderate or heavy rain shower
10°
11
Moderate rain at times
9°
12
Moderate or heavy rain shower
9°
13
Patchy rain possible
8°
14
Moderate or heavy rain shower
9°
15
Moderate rain at times
9°
16
Cloudy
8°
17
Moderate rain at times
7°
18
Heavy rain at times
7°
19
Patchy rain possible
8°
20
Overcast
7°
21
Cloudy
9°
22
Overcast
9°
23
Cloudy
9°
24
Overcast
10°
25
Patchy rain possible
10°
26
Overcast
10°
27
Patchy rain possible
9°
28
Overcast
9°
29
Cloudy
10°
30
Patchy rain possible
9°
31
Overcast
10°
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Temperatures trend during January in St Helier

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Moderate rain at times
Moderate rain at times
 12° /8° 9.3 mm 0 cm
2 Jan. Light rain shower
Light rain shower
 10° /8° 10.8 mm 0 cm
3 Jan. Heavy rain at times
Heavy rain at times
 10° /7° 3.8 mm 0 cm
4 Jan. Patchy rain possible
Patchy rain possible
 11° /7° 7.7 mm 0 cm
5 Jan. Patchy rain possible
Patchy rain possible
 12° /10° 4.1 mm 0 cm
6 Jan. Moderate rain at times
Moderate rain at times
 11° /8° 4.3 mm 0 cm
7 Jan. Heavy rain at times
Heavy rain at times
 10° /7° 4.2 mm 0 cm
8 Jan. Heavy rain at times
Heavy rain at times
 8° /5° 8.4 mm 0 cm
9 Jan. Patchy rain possible
Patchy rain possible
 7° /4° 3 mm 0.1 cm
10 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /4° 7.6 mm 0 cm
11 Jan. Moderate rain at times
Moderate rain at times
 9° /5° 1.7 mm 0 cm
12 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /7° 2.8 mm 0 cm
13 Jan. Patchy rain possible
Patchy rain possible
 8° /6° 0.4 mm 0 cm
14 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /6° 5.4 mm 0 cm
15 Jan. Moderate rain at times
Moderate rain at times
 9° /6° 3.9 mm 0 cm
16 Jan. Cloudy
Cloudy
 8° /5° 2.5 mm 0 cm
17 Jan. Moderate rain at times
Moderate rain at times
 7° /4° 12.8 mm 0 cm
18 Jan. Heavy rain at times
Heavy rain at times
 7° /4° 0.9 mm 0 cm
19 Jan. Patchy rain possible
Patchy rain possible
 8° /5° 0.3 mm 0 cm
20 Jan. Overcast
Overcast
 7° /4° 0.2 mm 0 cm
21 Jan. Cloudy
Cloudy
 9° /4° 1.4 mm 0 cm
22 Jan. Overcast
Overcast
 9° /6° 5.3 mm 0 cm
23 Jan. Cloudy
Cloudy
 9° /7° 2.2 mm 0 cm
24 Jan. Overcast
Overcast
 10° /6° 7.7 mm 0 cm
25 Jan. Patchy rain possible
Patchy rain possible
 10° /7° 1.7 mm 0 cm
26 Jan. Overcast
Overcast
 10° /6° 5.1 mm 0 cm
27 Jan. Patchy rain possible
Patchy rain possible
 9° /5° 2.1 mm 0 cm
28 Jan. Overcast
Overcast
 9° /7° 1.7 mm 0 cm
29 Jan. Cloudy
Cloudy
 10° /7° 4.6 mm 0 cm
30 Jan. Patchy rain possible
Patchy rain possible
 9° /7° 3 mm 0 cm
31 Jan. Overcast
Overcast
 10° /7° 2.2 mm 0 cm
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Important Notice
Our weather forecast for St Helier in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St Helier forecast closer to your planned date for the most up-to-date weather information.

St Helier in January - FAQ

What are the expected maximum and minimum temperatures in St Helier during January?
During January, expect a variety of temperatures with highs around 9° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in St Helier during January?
Significant rainfall exceeding 100.3 mm is expected in St Helier during January, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St Helier in January 2026?
St Helier typically sees 0.14 cm of snowfall during January.
What are the typical wind conditions in St Helier during January?
The average wind speed in St Helier during January is 40 km/h, suggesting breezy to windy conditions, depending on your activities.

St Helier snow forecast January 2026

Track daily snowfall levels and discover St Helier’s snowy potential this January ❄️

January rainfall patterns in St Helier

Explore the daily rainfall trends and prepare for St Heliers January weather 💧
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Location coordinates Where is St Helier?

Get accurate weather forecasts for St Helier, located at latitude 49.188 and longitude -2.105. Stay updated with localized weather information tailored for St Helier.

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