Guernsey weather

Our guide to the weather in Guernsey during March

10

Average high

3

UV Index

81mm

Monthly rainfall

79%

Humidity

Guernsey is a beautiful island offering a great mix of coastal and countryside attractions. March can be a great time to visit, with mild temperatures and plenty of outdoor activities. We've looked at the most up-to-date weather data for Guernsey, 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 Guernsey weather in March.

What's the temperature like in Guernsey during March?

The temperature is extremely stable in March with average highs of 10℃ and lows just 3℃ lower at 7℃. 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 Guernsey during March?

On average, there will be 6 rainy days during the month, amounting to 80.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Guernsey during March?

Expect moderate breeze becoming stronger at times during March, with occasional gusts up to 27mph. With cool air temperatures, any breeze will feel cold.

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Weather in Guernsey

Our month-by-month guide to the weather and climate in Guernsey

9.6

Guernsey weather in

January
9.1

Guernsey weather in

February
9.8

Guernsey weather in

March
10.8

Guernsey weather in

April
12.5

Guernsey weather in

May
14.8

Guernsey weather in

June
16.9

Guernsey weather in

July
17.5

Guernsey weather in

August
17.0

Guernsey weather in

September
15.5

Guernsey weather in

October
13.0

Guernsey weather in

November
11.1

Guernsey weather in

December