May weather forecastIrun, Spain
May
Weather in May
The last month of the spring, May, is a comfortable month in Irun, Spain, with an average temperature ranging between min 11.5°C (52.7°F) and max 16.8°C (62.2°F).Temperature
At the start of May, Irun's average high-temperature reaches a comfortable 16.8°C (62.2°F), subtly different from the preceding month. Irun observes an average low-temperature of 11.5°C (52.7°F) during May nights.Humidity
The average relative humidity in May is 80%.Rainfall
In Irun, in May, it is raining for 20.2 days, with typically 84mm (3.31") of accumulated precipitation. In Irun, during the entire year, the rain falls for 207.1 days and collects up to 868mm (34.17") of precipitation.Snowfall
In Irun, snow does not fall in April through November.Sea temperature
In May, the average sea temperature in Irun is 16.4°C (61.5°F).Note: Swimming is not a pleasant activity for most when the water temperature is 16.4°C (61.5°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.
Daylight
In May, the average length of the day is 14h and 42min.On the first day of May, sunrise is at 06:59 and sunset at 21:09. On the last day of the month, sunrise is at 06:29 and sunset at 21:40 CEST.
Sunshine
In Irun, the average sunshine in May is 8.6h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Irun, Spain
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in May: 11.5°C
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in May
Irun, Spain
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Irun, Spain
- Average wind speed in May: 12.3km/h
The windiest month (with the highest average wind speed) is November (16.3km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in May
Irun, Spain
- Average humidity in May: 80%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Irun, Spain
- Average rainfall in May: 84mm
The wettest month (with the highest rainfall) is November (137mm).
The driest month (with the least rainfall) is July (42mm).
Average rainfall days in May
Irun, Spain
- Average rainfall days in May: 20.2 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is August (14.2 days).
Average snowfall in May
Irun, Spain
- Average snowfall in May: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Irun, Spain
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Irun, Spain
- Average sea temperature in May: 16.4°C
The best month for swimming (with the highest average sea temperature) is August (21.4°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight in May /
Average sunshine in May
Irun, Spain
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in May
Irun, Spain
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is August (13.8 days).
The months with the least sunshine days are May and November (7.8 days).
Average UV index in May
Irun, Spain
- Average UV index in May: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in May
Irun, Spain
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Irun, Spain
- Average visibility in May: 9km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).
