Herstal Weather in May

May in Herstal sees daytime temperatures around 19°C (66°F) and lows of 9°C (48°F) at night. With around 72 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Herstal in May

This month experiences about 17 days of rain according to historical data, averaging 72 mm (2.8 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Herstal in May

If you're visiting Herstal in May, expect highs of 19°C (66°F) and overnight lows around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Herstal in May

There are approximately 210 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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For a detailed overview over the year and the best time to visit Belgium, check out our Herstal's climate page.

Herstal Temperature in May

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 56%  

Precipitation 72 mm (2.8 in)  

Rainy days 17 days  

Humidity 73% *  

Sunshine 210 hours *  

Percentage Sunshine 43% *  

* Data from: Maastricht, the Netherlands (29 KM, 18 Miles).

What to Wear in Herstal in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Herstal in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Herstal's climate page.

More climate data for Herstal

Temperature Rainfall Sunshine Humidity

See the full Herstal climate overview or explore weather in Belgium.