St Helier weather

Our guide to the weather in St Helier during May

13

Average high

4

UV Index

66mm

Monthly rainfall

81%

Humidity

We've looked at the most up-to-date weather data for St Helier, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about St Helier weather in May.

What's the temperature like in St Helier during May?

The temperature is extremely stable in May with average highs of 13℃ and lows just 2℃ lower at 11℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in St Helier during May?

On average, there will be 4 rainy days during the month, amounting to 65.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in St Helier during May?

Expect moderate breeze becoming stronger at times during May, with occasional gusts up to 22mph. With moderate air temperatures, any breeze will feel cool.

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St Helier Blog posts

From the UK's most popular travel bloggers

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The Club Hotel & Spa St Helier Review, Jersey

25th June 2023 by I'm just a girl 16

Are you planning a trip to Jersey in the Channel Islands and looking for the perfect place to stay? Look no further than The Club Hotel & Spa St Helier! This review post will provide you with an ultimate insight into my stay at this luxurious hotel. Please see my disclaimer for more information regarding mentions of a press trip with Jet2holidays and Visit Jersey, plus affiliate links....

Weather in St Helier

Our month-by-month guide to the weather and climate in St Helier

9.3

St Helier weather in

January
8.9

St Helier weather in

February
9.8

St Helier weather in

March
11.1

St Helier weather in

April
13.0

St Helier weather in

May
15.6

St Helier weather in

June
17.6

St Helier weather in

July
18.2

St Helier weather in

August
17.5

St Helier weather in

September
15.7

St Helier weather in

October
12.8

St Helier weather in

November
10.8

St Helier weather in

December