May weather forecastGuimaëc, France

May

Weather in May

May, the last month of the spring in Guimaëc, is a mild month, with an average temperature fluctuating between 9.6°C (49.3°F) and 14.3°C (57.7°F).

Temperature

The average high-temperature in May, at a mild 14.3°C (57.7°F), reveals a modest deviation from April's 12.6°C (54.7°F). An average low-temperature of 9.6°C (49.3°F) is witnessed throughout the month of May, a mere drop from the daytime peak.

Humidity

In Guimaëc, the average relative humidity in May is 84%.

Rainfall

In Guimaëc, in May, it is raining for 16.7 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Guimaëc, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.

Snowfall

In Guimaëc, snow does not fall in April through October.

Daylight

In Guimaëc, the average length of the day in May is 15h and 16min.
On the first day of the month, sunrise is at 06:53 and sunset at 21:30. On the last day of May, sunrise is at 06:16 and sunset at 22:08 CEST.

Sunshine

In Guimaëc, France, the average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index in Guimaëc is 4. A UV Index estimate 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 leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

In May, in Guimaëc, the average high-temperature is 14.3°C (57.7°F), and the average low-temperature is 9.6°C (49.3°F).

In Guimaëc, the average relative humidity in May is 84%.

In Guimaëc, in May, it is raining for 16.7 days, with typically 37mm (1.46") of accumulated precipitation.

In Guimaëc, France, snow does not fall in April through October.

In Guimaëc, the average day length in May is 15h and 16min.

In May, on the first day of the month, sunrise is at 06:53 and sunset at 21:30. On the last day of the month, in Guimaëc, France, sunrise is at 06:16 and sunset at 22:08 CEST.

In Guimaëc, the average sunshine duration in May is 8.6h.

The average daily maximum UV index in May in Guimaëc, France, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Guimaëc, France

  • Average high temperature in May: 14.3°C

The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in May: 9.6°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).

Average pressure in May
Guimaëc, France

  • Average pressure in May: 1017.5mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

Average wind speed in May
Guimaëc, France

  • Average wind speed in May: 17.6km/h

The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).

Average humidity in May
Guimaëc, France

  • Average humidity in May: 84%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).

Average rainfall in May
Guimaëc, France

  • Average rainfall in May: 37mm

The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in May
Guimaëc, France

  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).

Average snowfall in May
Guimaëc, France

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May
Guimaëc, France

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Guimaëc, France

  • Average daylight in May: 15h and 18min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in May
Guimaëc, France

  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).

Average UV index in May
Guimaëc, France

  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in May
Guimaëc, France

  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).

Average visibility in May
Guimaëc, France

  • Average visibility in May: 9km

The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).