Guillestre Weather & Climate: Best Time to Visit

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

Climate overview of Guillestre

Guillestre, Provence-Alpes-Côte d'Azur, France, sees big temperature differences between seasons, with August peaking at 19°C (66°F) and January dropping to -3°C (27°F).

With around 1069 mm (42 in) of annual rain/snowfall, Guillestre has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has pleasant summers and very cold winters. The wettest month is November.

Guillestre Weather by Month

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

Monthly Temperature in Guillestre

Visitors to Guillestre can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 19°C (66°F) in August. In January, the coolest month of the year, temperatures drop to a very cold -3°C (27°F).

At night, temperatures range from around 7°C (45°F) in August to -11°C (12°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Guillestre

Guillestre is known for its substantial rain/snowfall, with annual precipitation reaching 1069 mm (42 in). Guillestre can be quite wet during November, receiving approximately 124 mm (4.9 in) of precipitation over 13 snowy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 55 mm (2.2 in) of precipitation spread across 13 rainy days. For more details, please visit our Guillestre Precipitation page.

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

Best Time to Visit Guillestre

For comfortable weather, consider visiting Guillestre in July and August. Conditions are usually least favourable in January, February, March, April, May, October, 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: July and August
  • Warmest weather: July and August
  • Seasonal pattern: Pleasant summers and very cold winters
  • Coldest conditions: January, with freezing nights around -11°C (12°F).

Frequently asked questions about the climate in Guillestre

What is the best time to visit Guillestre?

July and August typically offer the most optimal weather in Guillestre. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Guillestre has pleasant summers and very cold winters.

What temperatures can I expect in Guillestre?

Daytime highs range from -3°C (27°F) in January to 19°C (66°F) in August. Nighttime lows range from -11°C (12°F) to 7°C (45°F). Temperatures vary considerably through the year.

How much rain does Guillestre get?

Annual rainfall is around 1069 mm (42 in). November is the wettest month with 124 mm (4.9 in), while August is the driest with 55 mm (2.2 in). In the coldest months, precipitation may fall as snow.

Guillestre 3-Day Forecast

Guillestre 3-Day Forecast

Guillestre on the map

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