Grimonster Weather & Climate: Best Time to Visit

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

Climate overview of Grimonster

Grimonster, Liege Province, Belgium, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 5°C (41°F) in January.

The city receives considerable rain/snowfall, with around 1053 mm (41 in) annually. December is the wettest month. It has warm summers and cold winters. May is the sunniest month, averaging 6.5 hours of sunshine per day.

Grimonster Weather by Month

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

Monthly Temperature in Grimonster

Depending on the time of the year, temperatures range from comfortable to chilly in Grimonster. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 5°C (41°F) in the coolest month, January.

Nights vary from 13°C (55°F) in July to around 0°C (32°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grimonster

Grimonster has a relatively rain/snowy climate with high precipitation levels, averaging 1053 mm (41 in) of rain/snowfall annually. Precipitation levels in Grimonster remain relatively steady throughout the year. December has the most rain, with 109 mm (4.3 in) over 19 days. In the driest month April, this drops slightly to 70 mm (2.8 in), making the city's climate fairly predictable. For more details, please visit our Grimonster Precipitation page.

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

Sunshine Hours in Grimonster

For those who appreciate different seasons, Grimonster serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.5 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Botrange, Belgium (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Botrange, Belgium (34 KM, 21 Miles).

Humidity in Grimonster by Month

Best Time to Visit Grimonster

The most comfortable overall weather for exploring Grimonster is usually found in June, July and August. Conditions are generally least comfortable in January, February, March, November 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 and August
  • Warmest weather: July and August
  • Most sunshine: May and June
  • Seasonal pattern: Warm summers and cold winters
  • Coldest conditions: January, with freezing nights around 0°C (32°F).

Frequently asked questions about the climate in Grimonster

What is the best time to visit Grimonster?

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

What temperatures can I expect in Grimonster?

Daytime highs range from 5°C (41°F) in January to 23°C (73°F) in July. Nighttime lows range from 0°C (32°F) to 13°C (55°F). Temperatures vary considerably through the year.

How much rain does Grimonster get?

Annual rainfall is around 1053 mm (41 in). December is the wettest month with 109 mm (4.3 in), while April is the driest with 70 mm (2.8 in).

How sunny is Grimonster?

Grimonster receives around 1,530 hours of sunshine per year. May is the sunniest month with 195 hours, while December is the cloudiest with just 45 hours.

Grimonster 3-Day Forecast

Grimonster on the map

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