Voiron Weather in May

What's the weather like in Voiron (Rhône-Alpes) in May 2025?

The climate in Voiron during May can be summarized as mild and a little damp.

May is in the spring in Voiron and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 8°C (46°F) is normal.

Voiron weather averages (imperial / metric)
Daytime temperature 17.7°C 63.9°F
Nightly temperature 7.9°C 46.2°F
Average temperature 12.8°C 55°F
Daily sunshine 7.4 hrs
Avg rainfall 96 mm 3.8 ins
Rainy days 15 days
Sea temperature 15.8°C 60.4°F
Humidity 70%
Windspeed 11.5kph 7 mph

On average May is the wettest month of the year in Voiron with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 hours of sunshine per day.

May temperatures in Voiron

Voiron average temperature in May

May rainfall

Voiron average rain in May

May hourly sunshine

Voiron average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Voiron in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Voiron weather stats

Voiron weather statistics
Hottest month: July 24.7°C 76.5°F
Driest month: July 72mm 2.8ins
Sunniest month: July 10.1hrs
Coldest month: January 4.3°C 39.7°F
Wettest month: May 96mm 3.8ins
Map showing location of Voiron (45.36395, 5.59209) Voiron map pin © Google

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