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Santiago de Compostela in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Santiago de Compostela in May will be like? Take a look at our weather guide for Santiago de Compostela, based on historical data.
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May

Weather in Santiago de Compostela in May 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Santiago de Compostela in May, the weather is typically alright, with an average high temperature of +66°F during the day and approximately 7 sunny days. Expect some rainy, though, as there are typically 9 rainy days in the month and around 104 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+66°F
Avg. max. temperature
+36°F
Min.
+93°F
Max.
104 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
7 ☀️
Sunny Days
15 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Santiago de Compostela has OK weather in May.

Average temperature in Santiago de Compostela in May

Here are the expected maximum, average and minimum temperatures in Santiago de Compostela for May based on the historical data.
Last Year
Historical Data

The temperature in May is +72°F on average, with a range between a maximum of +90°F during the day and a minimum of +46°F at night.

The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +61°F to +66°F.

Is Santiago de Compostela warm or cold in May?

Santiago de Compostela is typically mild in May.

Maximum temperatures go up compared to the previous month from +61°F to +66°F. The minimum temperature also goes up from +46°F to +50°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Santiago de Compostela:

Climate in Santiago de Compostela in May

Santiago de Compostela weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+61°F+66°F+72°F
Min. temperature
+30°F+36°F+41°F
Max. temperature
+88°F+93°F+97°F
Rainfall
126 mm104 mm54 mm
Wind
2 m/s2 m/s2 m/s
Humidity
78%78%77%
Air pressure
1014 HPa1015 HPa1017 HPa
Sunny days
779
Cloudy days
121515
Rainy days
1196
Snowy days
000

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +61°F to +66°F during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 126 mm to 104 mm. Humidity levels don’t change as the month goes on, averaging around 78%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 7 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Santiago de Compostela in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Santiago de Compostela is gradually increasing during May, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Santiago de Compostela based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in May, with total rainfall of approximately 46 mm. The maximum amount of rainfall per day is around 13 mm, which is considered light rain. May is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Santiago de Compostela wettest month is December, where a typical day has a 39% chance of precipitation and 186 mm of rainfall per day. July, on the other hand, is the driest month with a mere 10% chance of precipitation and 28 mm of rainfall per day.

How was the weather last May in Santiago de Compostela?

This is the weather in Santiago de Compostela in May 2023:
1 May
🌫️
+61°F
2 May
☁️
+59°F
3 May
☁️
+65°F
4 May
☀️
+67°F
5 May
☀️
+72°F
6 May
☀️
+75°F
7 May
☀️
+77°F
8 May
☀️
+81°F
9 May
☀️
+80°F
10 May
☀️
+78°F
11 May
🌫️
+69°F
12 May
☁️
+73°F
13 May
☀️
+78°F
14 May
☀️
+82°F
15 May
🌧️
+64°F
16 May
☁️
+68°F
17 May
🌧️
+62°F
18 May
🌫️
+66°F
19 May
☀️
+73°F
20 May
☀️
+75°F
21 May
☀️
+81°F
22 May
🌫️
+64°F
23 May
🌫️
+62°F
24 May
🌧️
+60°F
25 May
☁️
+67°F
26 May
☀️
+77°F
27 May
☀️
+83°F
28 May
☀️
+89°F
29 May
☀️
+73°F
30 May
☁️
+65°F
31 May
🌧️
+65°F
In May 2023 Santiago de Compostela had 16 sunny days, 6 cloudy days, and 4 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +90°F and a minimum of +59°F. The average humidity was 76%, with a maximum of 100% and a minimum of 22%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Santiago de Compostela climate has changed over the last 43 years.

The climate in Santiago de Compostela in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+62°F) and the highest in 2020 (+78°F). The driest year was 1987 with only 15 mm of rainfall, and the wettest year was 1994 with 278 mm.

FAQ

Frequently asked questions about the weather in Santiago de Compostela in May:

Is May a good time to visit Santiago de Compostela?

It’s always a good time to visit Santiago de Compostela, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Santiago de Compostela in May?

May has mild temperatures in Santiago de Compostela. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Santiago de Compostela rainy in May?

Santiago de Compostela is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Santiago de Compostela in May?

Usually, it’s not very sunny in Santiago de Compostela in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Spain

Check out the weather for other cities in Spain.

Monthly weather in Santiago de Compostela

Source of the data

For this page, we’ve looked at the typical weather in Santiago de Compostela, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.