May weather forecast
Optevoz, France

May

Weather in May

The last month of the spring, May, is another comfortable month in Optevoz, France, with an average temperature fluctuating between 8.6°C (47.5°F) and 18.8°C (65.8°F).

Temperature

Optevoz, France, marks the start of May with an average high-temperature of a still enjoyable 18.8°C (65.8°F), hinting at a slight fluctuation from April's 16.2°C (61.2°F). During May, Optevoz's temperature averages to a frosty 8.6°C (47.5°F) at night.

Humidity

The average relative humidity in May in Optevoz is 79%.

Rainfall

In Optevoz, during May, the rain falls for 17.5 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, in Optevoz, there are 164.3 rainfall days, and 575mm (22.64") of precipitation is accumulated.

Snowfall

In Optevoz, France, snow does not fall in April through September.

Daylight

In May, the average length of the day is 14h and 56min.
On the first day of May, sunrise is at 06:25 and sunset at 20:46. On the last day of the month, sunrise is at 05:52 and sunset at 21:20 CEST.

Sunshine

In Optevoz, the average sunshine in May is 8.8h.

UV index

In Optevoz, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the average May temperature in Optevoz?
During May, Optevoz experiences an average high-temperature of 18.8°C (65.8°F) and a low-temperature of 8.6°C (47.5°F).
What is the average humidity in May in Optevoz?
In May, the average relative humidity is 79%.
How much does it rain in Optevoz in May?
In Optevoz, France, in May, it is raining for 17.5 days, with typically 55mm (2.17") of accumulated precipitation.
When it does not snow in Optevoz?
April through September are months without snowfall in Optevoz, France.
How many hours of daylight does Optevoz have in May?
In May, the average day length in Optevoz is 14h and 56min.
When are sunrise and sunset in May in Optevoz?
In May, on the first day of the month, sunrise is at 06:25 and sunset at 20:46. On the last day of the month, in Optevoz, France, sunrise is at 05:52 and sunset at 21:20 CEST.
How long on average sun shines in May in Optevoz?
The average sunshine duration in May is 8.8h.
What is the UV index reading in May in Optevoz?
In May, the average daily maximum UV index in Optevoz is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Optevoz, France
Average temperature in May
Optevoz, France
  • Average high temperature in May: 18.8°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in May: 8.6°C

The months with the highest average low temperature are July and August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

Average pressure in May - Optevoz, France
Average pressure in May
Optevoz, France
  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in May - Optevoz, France
Average wind speed in May
Optevoz, France
  • Average wind speed in May: 10.7km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).

Average humidity in May - Optevoz, France
Average humidity in May
Optevoz, France
  • Average humidity in May: 79%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (71%).

Average rainfall in May - Optevoz, France
Average rainfall in May
Optevoz, France
  • Average rainfall in May: 55mm

The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is February (32mm).

Average rainfall days in May - Optevoz, France
Average rainfall days in May
Optevoz, France
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in May - Optevoz, France
Average snowfall in May
Optevoz, France
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in May - Optevoz, France
Average snowfall days in May
Optevoz, France
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Optevoz, France
Average daylight in May /
Average sunshine in May
Optevoz, 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: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May - Optevoz, France
Average sunshine days in May
Optevoz, France
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in May - Optevoz, France
Average UV index in May
Optevoz, France
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May - Optevoz, France
Average cloud cover in May
Optevoz, France
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in May - Optevoz, France
Average visibility in May
Optevoz, France
  • Average visibility in May: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, October and December (8km).

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