May weather forecastCastro Urdiales, Spain
May
Weather in May
The last month of the spring, May, is a refreshing month in Castro Urdiales, Spain, with temperature in the range of an average low of 11.6°C (52.9°F) and an average high of 16.9°C (62.4°F).Temperature
The transition from April to May sees average high-temperatures adjusting to a still refreshing 16.9°C (62.4°F), from a not significantly different 14.8°C (58.6°F). An average low-temperature of 11.6°C (52.9°F) is observed during May nights.Humidity
The average relative humidity in May in Castro Urdiales is 78%.Rainfall
In Castro Urdiales, in May, during 19 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, there are 207.3 rainfall days, and 710mm (27.95") of precipitation is accumulated.Snowfall
In Castro Urdiales, snow does not fall in April through November.Sea temperature
In Castro Urdiales, in May, the average water temperature is 16.1°C (61°F).Note: Swimming in 16.1°C (61°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
The average length of the day in May in Castro Urdiales is 14h and 42min.On the first day of the month, sunrise is at 07:04 and sunset at 21:14. On the last day of May, in Castro Urdiales, Spain, sunrise is at 06:35 and sunset at 21:45 CEST.
Sunshine
In May, the average sunshine is 9h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Castro Urdiales. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Castro Urdiales, Spain
- Average high temperature in May: 16.9°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in May: 11.6°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in May
Castro Urdiales, Spain
- Average pressure in May: 1017.5mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Castro Urdiales, Spain
- Average wind speed in May: 12.6km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in May
Castro Urdiales, Spain
- Average humidity in May: 78%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Castro Urdiales, Spain
- Average rainfall in May: 54mm
The wettest month (with the highest rainfall) is November (115mm).
The driest months (with the least rainfall) are July and August (36mm).
Average rainfall days in May
Castro Urdiales, Spain
- Average rainfall days in May: 19 days
The month with the highest number of rainy days is November (19.7 days).
The month with the least rainy days is October (14.5 days).
Average snowfall in May
Castro Urdiales, Spain
- Average snowfall in May: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Castro Urdiales, Spain
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 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
Castro Urdiales, Spain
- Average sea temperature in May: 16.1°C
The best month for swimming (with the highest average sea temperature) is August (21.2°C).
The coldest month (with the lowest average sea temperature) is February (12.7°C).
Average daylight in May /
Average sunshine in May
Castro Urdiales, Spain
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in May
Castro Urdiales, Spain
- Average sunshine days in May: 8.2 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in May
Castro Urdiales, 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
Castro Urdiales, Spain
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 34).
Average visibility in May
Castro Urdiales, Spain
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, May and November (9km).
