The best times to visit Santiago de Compostela for ideal weather are
May 21st to November 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Santiago de Compostela Travel Guide
Other Santiago de Compostela Travel Info
Weather in Santiago de Compostela
Average temperatures in Santiago de Compostela vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Santiago de Compostela, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 77.5°F (25.3°C) with temperatures rarely dropping below 56.1°F (13.4°C) at night.
Santiago de Compostela Temperatures (Fahrenheit)
Santiago de Compostela Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Santiago de Compostela Perceived Temperature (F)
Santiago de Compostela Perceived Temperature (C)
Average Santiago de Compostela Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Santiago de Compostela are July, September, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid July. For example, on the week of July 16th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 4 days of significant precipitation the week of January 15th.
When can you find snow in Santiago de Compostela? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Santiago de Compostela.
Snow on the Ground
The graph below shows the average snow on the ground in Santiago de Compostela (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Santiago de Compostela has some extremely humid months, and high humidity throughout the year. The least humid month is March (70.3% relative humidity), and the most humid month is January (87.4%).
Wind in Santiago de Compostela is usually calm. The windiest month is March, followed by February and May. March’s average wind speed of around 6.5 knots (7.5 MPH or 12.1 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid March where average top sustained speeds reach 14.3 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Santiago de Compostela.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||6||Light breeze||11.9||Significant breeze|
|Feb||6.5||Light breeze||12.8||Significant breeze|
|Mar||6.5||Light breeze||12.7||Significant breeze|
|Apr||5.9||Light breeze||12.2||Significant breeze|
|May||6.3||Light breeze||12.4||Significant breeze|
|Jun||6.1||Light breeze||12||Significant breeze|
|Jul||5.6||Light breeze||11.3||Significant breeze|
|Aug||5.7||Light breeze||11.5||Significant breeze|
|Sep||5.1||Light breeze||10.5||Significant breeze|
|Oct||5.4||Light breeze||10.9||Gentle breeze|
|Nov||5.8||Light breeze||11.4||Significant breeze|
|Dec||6.2||Light breeze||11.8||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Santiago de Compostela?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Spain; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 04, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Santiago de Compostela, Spain is May, followed by August and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Santiago de Compostela in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Santiago de Compostela Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.9°F (22.2°C) and 55.7°F (13.2°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 10 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 4 to 5 days of precipitation per month. June – August is the busiest season for tourism in Santiago de Compostela, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 75.7°F (24.3°C) and 52.3°F (11.3°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 13 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in Santiago de Compostela to be enjoyable for warm weather travelers. The average high during this season is between 56.5°F (13.6°C) and 50.4°F (10.2°C). On average, it rains or snows a great amount: 10 to 14 times per month. These times of year are fairly slow with tourists.