Climate and monthly weather forecastSantander, Spain

Climate and monthly weather forecast
The climate of Santander
Santander, Spain, sits along the Cantabrian Sea, a position that allows it to enjoy a comfortable marine west coast climate. According to the Köppen climate classification, this city indeed falls within the Cfb zone, denoting a warm summer precipitated by its coastal location. This climate offers gentle seasonal fluctuations, appealing weather conditions, and reliable rain distribution spread across months.Throughout the year, temperature swings in Santander remain rather moderate. The city experiences average high temperatures rising from 11.8°C (53.2°F) in January and February to a peak of 21.9°C (71.4°F) in August, with the lowest average temperatures increasing from 8.9°C (48°F) in January to 18.1°C (64.6°F) in August. Relative humidity ranges from 72% in October to a maximum of 80% in June and July. Rainfall is quite well-distributed throughout the year with a notable maximum in November, at 53mm (2.09"), and a minimum in July and August, both at 14mm (0.55").
One distinctive pattern in Santander's climate is its fairly steady sea temperatures. The Cantabrian Sea presents fairly consistent temperatures, commencing at 12.7°C (54.9°F) in February and topping at 21.2°C (70.2°F) in August. Snowfall in Santander is minimal and, when present, it only appears in January and December with 4mm (0.16") and 1mm (0.04"), respectively. Another year-round consistency is the remarkably clear visibility of 10km (6.2mi) throughout the year.
The best time to visit Santander
The optimal time to head to Santander is undoubtedly during the summer. June, July, and August offer the warmest temperatures, peaking on average at 18.4°C (65.1°F) to 21.2°C (70.2°F), promises of long daylight hours from 15.4 hours to 15 hours, and sun-filled days with an impressive 9.4 hours of sunshine per day. The sea temperatures also peak, becoming delightfully warm averaging from 20.2°C (68.4°F) to 21.2°C (70.2°F), making these months ideal for swimming and other water activities. The lower rainfall levels, 14mm (0.55") and 15mm (0.59") in July and August respectively, add to the allure of summer.The worst time to visit Santander
Those aiming to avoid colder temperatures and frequent rain might want to avoid visiting Santander in winter months. January and February experience lower temperatures, with average highs of 11.8°C (53.2°F) and lows of 8.9°C (48°F) and 8.4°C (47.1°F) respectively. These months also grapple with possible snowfall at 4mm (0.16"), the highest all year. Rainfall tends to be higher at 41mm (1.61") in January and 36mm (1.42") in February, and less sunshine is experienced with sunshine hours dropping to 5.8 hours and 6.5 hours in January and February correspondingly.Spring weather in Santander
In spring, Santander experiences a gradual warming pattern. March starts with an average high of 13°C (55.4°F), which ascends to 14.5°C (58.1°F) in April and 16.3°C (61.3°F) in May, while the lows rise from 9.5°C (49.1°F) to 10.9°C (51.6°F) and 12.7°C (54.9°F) in the same period. Rainfall begins to decline in this season, with March seeing 28mm (1.1"), April 23mm (0.91"), and May 26mm (1.02"). Sea temperatures also increase, beginning at 12.8°C (55°F) in March and cresting at 15.8°C (60.4°F) in May.Summer weather in Santander
Summers in Santander are warm and relatively dry. The highest temperatures are observed from June to August, reaching highs of 18.9°C (66°F) to 21.9°C (71.4°F) and lows from 15.1°C (59.2°F) to 18.1°C (64.6°F). Relative humidity stays stable at 80%, rainfall is at its lowest with 27mm (1.06") in June and a mere 14mm (0.55") in July and August, and sea temperatures reach their peak ranging from 18.4°C (65.1°F) to 21.2°C (70.2°F).Autumn weather in Santander
In autumn, the temperatures begin to descend. September sees highs of 20.9°C (69.6°F) which drop to 19.4°C (66.9°F) in October and again to 15.2°C (59.4°F) in November, with corresponding lows of 17°C (62.6°F), 15°C (59°F), and 12.3°C (54.1°F). The rainfall starts to increase with the onset of autumn, reaching 32mm (1.26") in October and a high of 53mm (2.09") in November.Winter weather in Santander
Winters in Santander are relatively mild due to their coastal position. December has a high of 13.4°C (56.1°F) and January and February each have an average high temperature of 11.8°C (53.2°F). The low temperatures rarely fall to harshly cold levels, bottoming at 10.2°C (50.4°F) in December, 8.9°C (48°F) in January, and 8.4°C (47.1°F) in February.Weather in January
In January, Santander residents can expect a cool start to the year, with the chilly temperature prevailing from winter months. With the lowest sea temperature of 12.9°C (55.2°F), the waters of Santander are not inviting for swimming. Weather in January »Weather in February
In February, Santander transitions from the stark cold of January and observes a slight increase in the lowest temperature. Santander still experiences its usual dose of precipitation with a slight decrease in humidity, while the visibility remains optimal throughout. Weather in February »Weather in March
In Santander, March suggests the onset of spring with an increase in lowest temperatures to 9.5°C (49.1°F) and the highest temperature starting to reach around 13°C (55.4°F). The daylight hours improve, and with that comes an increase in average daily sunshine, which makes the outdoor activities more enjoyable. Weather in March »Weather in April
April weather in Santander indicates a definitive arrival of spring, displaying an increase in highest temperatures to reach around 14.5°C (58.1°F). The city experiences a drop in rainfall, paving the way for a more clear and sunny climate. Weather in April »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. Weather in May »Weather in June
June marks the establishment of summer in Santander, with temperatures reaching a comfortable high of around 18.9°C (66°F). While the city basks under increased daylight hours, the average wind speed drops to 13.6km/h (8.5mph), making the air lighter and more enjoyable. Weather in June »Weather in July
July holds the banner for being Santander's warmest month, with temperatures peaking to a high of 21°C (69.8°F). The sea begins to warm up, resulting in the highest temperature climbing up to 20.2°C (68.4°F), providing an ideal condition for swimming. Weather in July »Weather in August
During August, the weather in Santander remains consistent withholding the balmy conditions of July. Notably, August outshines other months as it has the lowest rainfall recorded at 15mm (0.59"), making it the dryest phase of the year. Weather in August »Weather in September
In September, Santander starts transitioning into fall with temperatures on the decline, making the air a little chilly. A notable feature is the drop in rainfall to 15mm (0.59"), similar to that in August. Rainfall is not frequent, contributing to the pleasantness of the city. Weather in September »Weather in October
In October, Santander fully embraces the fall season with temperatures going down from 19.4°C (66.9°F) to 15.2°C (59.4°F). Rainfall begins to pick up again with an output of 32mm (1.26"), indicating the impending winter. Wind speed revs up moderately to 13.9km/h (8.6mph). Weather in October »Weather in November
November in Santander is marked by falling temperatures, providing a prelude to the winter season. Rainfall hits an annual high of 53mm (2.09"), making this the wettest month. Despite the highest rainfall, the average wind speed accelerates to 19.5km/h (12.1mph), bringing in the winter chill. Weather in November »Weather in December
December sees the arrival of winter in Santander as temperatures drop further and the city witnesses another round of snowfall. With the lowest temperature touching 10.2°C (50.4°F), the coolness persists throughout the city. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Santander, Spain
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).
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
Santander, Spain
- Average pressure in January:
1020.4mbar - Average pressure in February:
1018.8mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017.6mbar - Average pressure in June:
1017.6mbar
- Average pressure in July:
1018.2mbar - Average pressure in August:
1018.1mbar - Average pressure in September:
1018.5mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1021.5mbar
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
Santander, Spain
- Average wind speed in January:
19km/h - Average wind speed in February:
19.2km/h - Average wind speed in March:
17km/h - Average wind speed in April:
15.2km/h - Average wind speed in May:
14.6km/h - Average wind speed in June:
13.6km/h
- Average wind speed in July:
12.7km/h - Average wind speed in August:
12.3km/h - Average wind speed in September:
12.8km/h - Average wind speed in October:
13.9km/h - Average wind speed in November:
19.5km/h - Average wind speed in December:
17.8km/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
Santander, Spain
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
Santander, Spain
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days
Santander, Spain
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
9.8 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
13.2 days - Average rainfall days in December:
10.6 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
Santander, Spain
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
Santander, Spain
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 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
Santander, Spain
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 / Average sunshine
Santander, Spain
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
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 January:
5h and 48min - Average sunshine in February:
6h and 30min - Average sunshine in March:
7h and 18min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
8h and 12min - Average sunshine in November:
5h and 24min - Average sunshine in December:
5h and 42min
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
Santander, Spain
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
19.1 days - Average sunshine days in June:
16.9 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
20.1 days - Average sunshine days in September:
19.8 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
15 days - Average sunshine days in December:
18.7 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
Santander, Spain
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
Santander, Spain
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
Santander, Spain
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).








