Which is the hottest month in St Helier?

The hottest time of year in St Helier is normally July. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in St Helier?

In terms of rainfall, November is usually the wettest month in St Helier with 115mm on average. There are normally 19 days in November with some rain.

When is it sunniest in St Helier?

The sunniest time of year in St Helier is normally July with bright sunshine on average for 53% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in St Helier?

The sea is usually at its warmest in St Helier in August when the water temperature reaches 18°C.

Best time to visit St Helier

Q: When is the best time to visit St Helier?

The best time to visit St Helier is July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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St Helier by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Destination

When is the best time to visit St Helier?

The best time to visit St Helier is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0.5
Mar
1.5
Apr
2
May
3
Jun
4
Jul
4
Aug
2.5
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

8
Jan
8
Feb
10
Mar
12
Apr
16
May
18
Jun
20
Jul
20
Aug
19
Sep
16
Oct
12
Nov
9
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
4
Mar
6
Apr
8
May
8
Jun
8
Jul
8
Aug
6
Sep
4
Oct
3
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Jersey, represented by St Helier, (St Helier) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)