May weather forecastSantander, Spain
May
Weather in May
May in Santander serves a taste of the impending summer, showcasing an increase in highest temperatures to approximately 16.3°C (61.3°F). The rainfall still subsides, pointing towards brighter, clearer days. The average wind speed drops further to 14.6km/h (9.1mph), the gentle winds offering a respite from the hotter days. With the gates of summer opened, one can appreciate the natural beauty of Santander devoid of extreme weather conditions. Hence, this month is perfect for visitors planning to explore the city’s outdoors.Temperature
The introduction of May in Santander notes a subtle temperature variation to an enjoyable 16.3°C (61.3°F) from April's 14.5°C (58.1°F). Santander experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 12.7°C (54.9°F) throughout May.Humidity
The average relative humidity in May in Santander is 79%.Rainfall
In May, in Santander, the rain falls for 10.1 days. Throughout May, 26mm (1.02") of precipitation is accumulated. In Santander, during the entire year, the rain falls for 133.9 days and collects up to 336mm (13.23") of precipitation.Snowfall
In Santander, Spain, snow does not fall in March through November.Sea temperature
In Santander, the average seawater temperature in May is 15.8°C (60.4°F).Note: Swimming in water that is 15.8°C (60.4°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 May, the average length of the day is 14h and 43min.On the first day of the month, sunrise is at 07:07 and sunset at 21:17. On the last day of May, in Santander, sunrise is at 06:37 and sunset at 21:48 CEST.
Sunshine
In May, the average sunshine in Santander, Spain, is 9.1h.UV index
The months with the highest UV index in Santander are May through October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during May translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, Spain
- Average sea temperature in May: 15.8°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
Santander, 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
Santander, 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
Santander, 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
Santander, 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
Santander, 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).
