Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset brings an average high-temperature of an enjoyable 17.7°C (63.9°F), showing a minute difference from April's 14.9°C (58.8°F). Throughout the month of May, Belley reports a steady low-temperature average of 6.3°C (43.3°F).Humidity
In May, the average relative humidity in Belley is 79%.Rainfall
In Belley, in May, during 19.8 rainfall days, 87mm (3.43") of precipitation is typically accumulated. In Belley, during the entire year, the rain falls for 170.2 days and collects up to 827mm (32.56") of precipitation.Snowfall
Months with snowfall in Belley are January through May, October through December. May is the last month it regularly snows in Belley. During 0.1 snowfall days, in May, Belley aggregates 1mm (0.04") of snow. Throughout the year, there are 13.6 snowfall days, and 192mm (7.56") of snow is accumulated.Daylight
In Belley, the average length of the day in May is 14h and 56min.On the first day of May in Belley, sunrise is at 06:23 and sunset at 20:44. On the last day of the month, sunrise is at 05:51 and sunset at 21:18 CEST.
Sunshine
In May, the average sunshine in Belley is 9.6h.UV index
In Belley, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during May translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Belley?
What is the average humidity in May in Belley?
How much does it rain in Belley in May?
What is the last month it snows in Belley?
What is the average length of the day in May in Belley?
What time are sunrise and sunset in May in Belley?
How many hours of sunshine does Belley have in May?
How high is the UV index in May in Belley?
Average temperature in May
Belley, France
- Average high temperature in May: 17.7°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in May
Belley, France
- Average pressure in May: 1015.9mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Belley, France
- Average wind speed in May: 6.7km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in May
Belley, France
- Average humidity in May: 79%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Belley, France
- Average rainfall in May: 87mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in May
Belley, France
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in May
Belley, France
- Average snowfall in May: 1mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Belley, France
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Belley, France
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Belley, France
- Average sunshine days in May: 8.1 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in May
Belley, France
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Belley, France
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Belley, France
- Average visibility in May: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
Belley, France
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