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

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

Weather in Santiago de Compostela in August 2024

Good Weather
Warm
☁️
Cloudy
Planning a trip to Santiago de Compostela in August? You are in luck! The weather is generally good, with an average maximum temperature of +75°F and approximately 10 sunny days. Just be prepared for some rain, as there are usually around 4 rainy days and 37 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Santiago de Compostela;

Average weather

☀️
+75°F
Avg. max. temperature
+46°F
Min.
+100°F
Max.
37 mm
Total precipitation
77%
Avg. humidity
2 m/s
Avg. wind
10 ☀️
Sunny Days
17 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Santiago de Compostela has good weather in August.

Average temperature in Santiago de Compostela in August

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

The temperature in August is +81°F on average, with a range between a maximum of +95°F during the day and a minimum of +54°F at night.

The average maximum temperature goes down 43% by the end of the month, compared with the beginning of the month, from +91°F to +73°F.

Is Santiago de Compostela warm or cold in August?

Santiago de Compostela is typically warm in August.

Maximum temperatures go up compared to the previous month from +75°F to +75°F. The minimum temperature also goes up from +59°F to +59°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Santiago de Compostela, here is the comparison with other months:

Climate in Santiago de Compostela in August

Santiago de Compostela weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+75°F+75°F+73°F
Min. temperature
+46°F+46°F+41°F
Max. temperature
+100°F+100°F+100°F
Rainfall
28 mm37 mm77 mm
Wind
2 m/s2 m/s1 m/s
Humidity
76%77%78%
Air pressure
1018 HPa1017 HPa1017 HPa
Sunny days
111010
Cloudy days
171714
Rainy days
346
Snowy days
000

August weather is still as good as in July. The temperature levels stay the same in the area of +75°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 28 mm to 37 mm. Humidity rises from 76% to 77%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 11 sunny days in July to 10 in August.

Next month (September) brings a further decline in the weather.

Wind

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

The average wind speed is 3 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 decreasing during August, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Santiago de Compostela based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in August, with total rainfall of approximately 15 mm. The maximum amount of rainfall per day is around 6 mm, which is considered light rain. Santiago de Compostela is amazing in August with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how August 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 August in Santiago de Compostela?

This is the weather in Santiago de Compostela in August 2023:
1 August
☀️
+92°F
2 August
☀️
+88°F
3 August
☁️
+75°F
4 August
☁️
+77°F
5 August
☁️
+76°F
6 August
☀️
+85°F
7 August
☀️
+87°F
8 August
☀️
+88°F
9 August
☀️
+94°F
10 August
☀️
+86°F
11 August
☀️
+83°F
12 August
☀️
+83°F
13 August
☀️
+76°F
14 August
☁️
+72°F
15 August
☁️
+69°F
16 August
🌧️
+67°F
17 August
☀️
+68°F
18 August
☀️
+73°F
19 August
☀️
+85°F
20 August
🌫️
+83°F
21 August
☀️
+79°F
22 August
☁️
+79°F
23 August
☀️
+85°F
24 August
☁️
+75°F
25 August
☁️
+75°F
26 August
☀️
+80°F
27 August
☀️
+84°F
28 August
☀️
+87°F
29 August
☀️
+76°F
30 August
☁️
+72°F
31 August
☁️
+73°F
In August 2023 Santiago de Compostela had 19 sunny days, 10 cloudy days, and 1 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +95°F and a minimum of +66°F. The average humidity was 77%, with a maximum of 100% and a minimum of 31%. The average wind speed was 3 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

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 August has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+75°F) and the highest in 1998 (+85°F). The driest year was 1981 with only 2 mm of rainfall, and the wettest year was 1998 with 0 mm.

FAQ

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

Is August a good time to visit Santiago de Compostela?

August is a really good time to go to Santiago de Compostela. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Santiago de Compostela.

Can you sunbathe in Santiago de Compostela in August?

August is warm in Santiago de Compostela. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Santiago de Compostela rainy in August?

Santiago de Compostela is usually dry in August. Plan your packing around outdoor activities and exploring.

Is it sunny in Santiago de Compostela in August?

The amount of sunny days in Santiago de Compostela during August varies; prepare for a mix of clouds and sun.

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.