Zwalm Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Zwalm.

Climate overview of Zwalm

Zwalm, East-Flanders, Belgium, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in July, while winters cool to 8°C (46°F) in January.

Zwalm sees a moderate amount of rain/snowfall, totalling around 814 mm (32 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in July, with an average of 7.0 hours of daily sunshine.

Zwalm Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Zwalm - and find the best time to visit.

Monthly Temperature in Zwalm

Depending on the time of the year, temperatures range from comfortable to chilly in Zwalm. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.

At night, you can expect temperatures ranging from 14°C (57°F) in July to around 2°C (36°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Zwalm

Generally, Zwalm has a moderate amount of precipitation, averaging 814 mm (32 in) of rain/snowfall annually. Year-round, Zwalm has a balanced climate with minimal variation in precipitation. The difference between the wettest month, August, with 79 mm (3.1 in), and the driest month, April, with 57 mm (2.2 in), is minimal. For more details, please visit our Zwalm Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Zwalm

Seasonal changes in sunshine hours are quite dramatic in Zwalm. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Ghent, Belgium (19 KM, 11 Miles).

Daily hours of sunshine

Data from: Ghent, Belgium (19 KM, 11 Miles).

Best Time to Visit Zwalm

For comfortable weather, consider visiting Zwalm in June, July, August and September. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: May and July
  • Seasonal pattern: Warm summers and cold winters

Frequently asked questions about the climate in Zwalm

What is the best time to visit Zwalm?

June, July, August and September typically offer the most optimal weather in Zwalm. In contrast, January, February and December tend to have less optimal conditions. Zwalm has warm summers and cold winters.

What temperatures can I expect in Zwalm?

Daytime highs range from 8°C (46°F) in January to 24°C (75°F) in July. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Zwalm get?

Annual rainfall is around 814 mm (32 in). August is the wettest month with 79 mm (3.1 in), while April is the driest with 57 mm (2.2 in).

How sunny is Zwalm?

Zwalm receives around 1,627 hours of sunshine per year. July is the sunniest month with 210 hours, while December is the cloudiest with just 50 hours.

Zwalm 3-Day Forecast

Zwalm 3-Day Forecast

Zwalm on the map

Zwalm is highlighted - select any city to see its climate.

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