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Weather in Santander for May 2026

Your guide to Santander weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Santander at the beginning of May is 16.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of May.

    • Rain 🌧️

  • Santander experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 115.5 mm.

    • More

  • Is May a good time to visit Santander? check out the best time to travel to Santander page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Santander Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
15°
2
Sunny
18°
3
Partly cloudy
20°
4
Patchy rain possible
18°
5
Cloudy
17°
6
Moderate rain at times
15°
7
Moderate rain at times
15°
8
Patchy rain possible
17°
9
Moderate or heavy rain shower
16°
10
Patchy rain possible
16°
11
Heavy rain at times
16°
12
Patchy rain possible
15°
13
Moderate rain at times
16°
14
Light rain shower
15°
15
Moderate rain at times
14°
16
Patchy rain possible
15°
17
Overcast
16°
18
Patchy rain possible
16°
19
Moderate or heavy rain shower
15°
20
Heavy rain at times
16°
21
Patchy rain possible
16°
22
Heavy rain at times
16°
23
Patchy rain possible
16°
24
Moderate rain at times
16°
25
Patchy rain possible
17°
26
Patchy rain possible
17°
27
Patchy rain possible
19°
28
Heavy rain at times
19°
29
Overcast
20°
30
Patchy rain possible
19°
31
Patchy rain possible
18°

Temperatures trend during May in Santander

See the weather trend as well as the moving average line

May weather in Santander day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Light rain shower
Light rain shower
 15° /11° 4.9 mm 4
2 May Sunny
Sunny
 18° /10° 1.1 mm 5
3 May Partly cloudy
Partly cloudy
 20° /11° 0.3 mm 5
4 May Patchy rain possible
Patchy rain possible
 18° /12° 2.3 mm 4
5 May Cloudy
Cloudy
 17° /11° 5.9 mm 4
6 May Moderate rain at times
Moderate rain at times
 15° /10° 3.9 mm 3
7 May Moderate rain at times
Moderate rain at times
 15° /11° 0.8 mm 4
8 May Patchy rain possible
Patchy rain possible
 17° /10° 0.1 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /11° 6 mm 4
10 May Patchy rain possible
Patchy rain possible
 16° /11° 4.2 mm 4
11 May Heavy rain at times
Heavy rain at times
 16° /11° 7.5 mm 4
12 May Patchy rain possible
Patchy rain possible
 15° /11° 11.5 mm 3
13 May Moderate rain at times
Moderate rain at times
 16° /11° 6.8 mm 4
14 May Light rain shower
Light rain shower
 15° /12° 13.5 mm 3
15 May Moderate rain at times
Moderate rain at times
 14° /12° 11.2 mm 3
16 May Patchy rain possible
Patchy rain possible
 15° /11° 1.7 mm 4
17 May Overcast
Overcast
 16° /10° 1.5 mm 4
18 May Patchy rain possible
Patchy rain possible
 16° /11° 1.6 mm 4
19 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /12° 3.5 mm 4
20 May Heavy rain at times
Heavy rain at times
 16° /12° 2.4 mm 4
21 May Patchy rain possible
Patchy rain possible
 16° /11° 2.2 mm 4
22 May Heavy rain at times
Heavy rain at times
 16° /12° 4.8 mm 4
23 May Patchy rain possible
Patchy rain possible
 16° /12° 4.6 mm 4
24 May Moderate rain at times
Moderate rain at times
 16° /12° 2.2 mm 5
25 May Patchy rain possible
Patchy rain possible
 17° /11° 1.7 mm 4
26 May Patchy rain possible
Patchy rain possible
 17° /11° 1 mm 5
27 May Patchy rain possible
Patchy rain possible
 19° /12° 0.7 mm 4
28 May Heavy rain at times
Heavy rain at times
 19° /12° 0.4 mm 5
29 May Overcast
Overcast
 20° /14° 0 mm 5
30 May Patchy rain possible
Patchy rain possible
 19° /15° 3.5 mm 5
31 May Patchy rain possible
Patchy rain possible
 18° /14° 0.3 mm 4
Next
Important Notice
Our weather forecast for Santander in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santander forecast closer to your planned date for the most up-to-date weather information.
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Santander in May - FAQ

What are the expected maximum and minimum temperatures in Santander during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santander during May?
Significant rainfall exceeding 115.5 mm is expected in Santander during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Santander during May?
The average wind speed in Santander during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Santander in May?

As you prepare for your trip to Santander in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Santander, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Santander

Explore the daily rainfall trends and prepare for Santanders May weather 💧

Quick links

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Location coordinates Where is Santander?

Get accurate weather forecasts for Santander, located at latitude 43.465 and longitude -3.804. Stay updated with localized weather information tailored for Santander.

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