Belgium weather
Our guide to the weather in Belgium during May
Belgium is a fascinating country with a wealth of cultural attractions and stunning scenery. May is an ideal time to visit, as the weather is usually mild and pleasant. We've looked at the most up-to-date weather data for Belgium, 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 Belgium weather in May.
What's the temperature like in Belgium during May?
The temperature reaches around 18℃ during the daytime in May, falling away to 9℃ at night. 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 Belgium during May?
On average, there will be 5 rainy days during the month, amounting to 74.0mm 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 Belgium during May?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With moderate air temperatures, any breeze will feel cool.
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