Olloy-sur-Viroin Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Olloy-sur-Viroin.

Full Climate overview Temperature Rainfall Sunshine
Current conditions Olloy-sur-Viroin  

Climate overview of Olloy-sur-Viroin

Olloy-sur-Viroin, Namur Province, Belgium, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 6°C (43°F) in January.

Annual rain/snowfall is moderate at around 979 mm (39 in), with December being the wettest month. The city also has warm summers and cold winters. Sunshine peaks in June, when the city sees around 6.8 hours of sunshine per day.

Olloy-sur-Viroin Weather by Month

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

Monthly Temperature in Olloy-sur-Viroin

Depending on the time of the year, temperatures range from comfortable to chilly in Olloy-sur-Viroin. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).

At night, temperatures range from around 13°C (55°F) in July to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Olloy-sur-Viroin

Generally, Olloy-sur-Viroin has a moderate amount of precipitation, averaging 979 mm (39 in) of rain/snowfall annually. Despite minor fluctuations, Olloy-sur-Viroin enjoys fairly consistent precipitation throughout the year. In December, you can expect around 100 mm (3.9 in) of precipitation, while in September, Olloy-sur-Viroin receives about 71 mm (2.8 in). For more details, please visit our Olloy-sur-Viroin Precipitation page.

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

Sunshine Hours in Olloy-sur-Viroin

Olloy-sur-Viroin can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Florennes, Belgium (18 KM, 11 Miles).

Daily hours of sunshine

Data from: Florennes, Belgium (18 KM, 11 Miles).

Best Time to Visit Olloy-sur-Viroin

The most comfortable overall weather for exploring Olloy-sur-Viroin is usually found in June, July, August and September. Conditions are generally least comfortable in January, February, 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, August and September
  • Warmest weather: July and August
  • Most sunshine: May, June and July
  • Seasonal pattern: Warm summers and cold winters

Frequently asked questions about the climate in Olloy-sur-Viroin

What is the best time to visit Olloy-sur-Viroin?

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

What temperatures can I expect in Olloy-sur-Viroin?

Daytime highs range from 6°C (43°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 Olloy-sur-Viroin get?

Annual rainfall is around 979 mm (39 in). December is the wettest month with 100 mm (3.9 in), while September is the driest with 71 mm (2.8 in).

How sunny is Olloy-sur-Viroin?

Olloy-sur-Viroin receives around 1,535 hours of sunshine per year. June is the sunniest month with 203 hours, while December is the cloudiest with just 37 hours.

Olloy-sur-Viroin 3-Day Forecast

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