May weather forecastSantoña, Spain
May
Weather in May
The last month of the spring, May, is a refreshing month in Santoña, Spain, with temperature in the range of an average low of 12.7°C (54.9°F) and an average high of 16.3°C (61.3°F).Temperature
In May, the average high-temperature registers at an enjoyable 16.3°C (61.3°F), nearly identical to April's 14.5°C (58.1°F). Santoña observes a slightly reduced average nighttime temperature of 12.7°C (54.9°F) during May.Humidity
The average relative humidity in May is 79%.Rainfall
In Santoña, in May, it is raining for 10.1 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 133.9 rainfall days, and 336mm (13.23") of precipitation is accumulated.Snowfall
March through November are months without snowfall.Sea temperature
In Santoña, the average seawater temperature in May is 16.1°C (61°F).Note: Swimming in water that is 16.1°C (61°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Santoña, the average length of the day in May is 14h and 43min.On the first day of May in Santoña, sunrise is at 07:05 and sunset at 21:16. On the last day of the month, sunrise is at 06:36 and sunset at 21:47 CEST.
Sunshine
The average sunshine in May is 9.1h.UV index
May through October, with an average maximum UV index of 5, are months with the highest UV index in Santoña, Spain. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Santoña, Spain
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The months with the lowest average high temperature are January and February (11.8°C).
- Average low temperature in May: 12.7°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is February (8.4°C).
Average pressure in May
Santoña, Spain
- Average pressure in May: 1017.6mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in May
Santoña, Spain
- Average wind speed in May: 14.6km/h
The windiest month (with the highest average wind speed) is November (19.5km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in May
Santoña, Spain
- Average humidity in May: 79%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are October and December (72%).
Average rainfall in May
Santoña, Spain
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in May
Santoña, Spain
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is January (13.8 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in May
Santoña, Spain
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Santoña, Spain
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.9 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
Santoña, 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
Santoña, 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 6min
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 24min).
Average sunshine days in May
Santoña, Spain
- Average sunshine days in May: 19.1 days
The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is February (14.2 days).
Average UV index in May
Santoña, Spain
- Average UV index in May: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, April and November (UV index 3).
Average cloud cover in May
Santoña, Spain
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Santoña, Spain
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





