Santiago de Compostela weather and climate in 2025
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Santiago de Compostela weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Day
23 °C
Night
15 °C
Sea
17 °C
Precipitation
37 mm
in month
Rainy days
5 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
74 %
Day
23 °C
Night
15 °C
Sea
17 °C
Precipitation
37 mm
in month
Rainy days
5 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
74 %
Overview: Santiago de Compostela
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Weather overview for Santiago de Compostela
Weather overview
Situated in the picturesque northwest of Spain, Santiago de Compostela is known for its relatively moderate climate. Throughout the year, this historical city experiences variations in temperature, with daily highs ranging from approximately 12 °C (53 °F) in the chilled winter month of January, to a warm 23 °C (74 °F) at the peak of summer in August. Precipitation also varies, from a low of around 5 days of rain in the typically dry month of July, to a peak of 16 days in the rain-prone month of November. Nightly temperatures shift from a cool 5 °C (40 °F) in January to a mild 15 °C (59 °F) during July evenings.
January weather
The lowest daily temperature can be observed at an average of 12 °C (53 °F) in Santiago de Compostela, while the lowest nocturnal temperature is seen at 5 °C (40 °F). Rainfall begins its decrease with a total of 194 mm (7.65 in).
February weather
A gradual increase in daily temperature is noted, reaching 13 °C (55 °F), while a decline in rainy days starts at 15 days. Rainfall also continues its decrease, now at 155 mm (6.10 in), and the number of hours of unobscured sunshine begins to ascend, recorded at 4 hours.
March weather
The daily temperature continues its upward trend, averaging 15 °C (58 °F). Rainfall keeps on its downward trajectory, amounting to 130 mm (5.13 in), and the total of rainy days further reduces to 13 days. The duration of cloudless sunshine continues to grow, now at 5 hours, and wind speeds hit their peak with an average of 4.
April weather
Daily temperatures steadily climb, reaching an average of 16 °C (60 °F), with nighttime temperatures similarly on the rise, averaging 8 °C (47 °F). The frequency of rainy days sees a slight increase, and hours of direct sunlight continue to grow, marked at 6 hours.
May weather
Daytime temperatures are on an upward trajectory in Santiago de Compostela, and the increase in nighttime temperatures is also noticeable, averaging 11 °C (51 °F). The occurrence of rainy days begins a downward trend, registered at 12 days, and rainfall starts its decline at an average of 122 mm (4.80 in). Sunny hours continue to rise, now recorded at 6 hours.
June weather
With the tourist season about to kick off, day temperatures continue to rise, averaging 21 °C (71 °F). Night temperatures also see an increase, recorded at 14 °C (56 °F). Rainfall and the number of rainy days keep descending, noted at 67 mm (2.64 in) and 8 days, respectively.
July weather
The daytime temperature further increases, peaking at 23 °C (73 °F), and the zenith of nighttime temperatures is also observed this month. The tourist season continues in earnest. The least frequent rainy days are noticed, with their average being 5 days, and the scantiest rainfall occurs as well, with an average of 37 mm (1.44 in). The most sunlit hours also appear during this month.
August weather
The pinnacle of daily temperatures is reached in August, averaging 23 °C (74 °F), as the tourist season reaches its zenith. The rainy days begin a gradual increase, with their average being 6 days, and rainfall starts its upward shift as well. Atmospheric humidity dips to its lowest, noted at 74 %.
September weather
The commencement of a downward trend in daily temperatures is detectable, averaging 21 °C (70 °F), and the initial signs of a decrease in night temperatures can be discerned as well. The tourist season maintains its presence this month. The rainfall continues its ascendancy, now measured at 100 mm (3.93 in), and wind speeds touch their lowest point, recorded at 3.
October weather
A notable decline in daily temperatures is witnessed, now averaging 18 °C (64 °F), accompanied by a decrease in nighttime temperatures to an average of 11 °C (52 °F). The rising trend in rainy days continues, now at 13 days, and rainfall ascends in tandem with the previous month, averaging 199 mm (7.84 in). The hours of sun become fewer as well, now at 5 hours.
November weather
The descending pattern in daily temperatures continues in Santiago de Compostela, with daytime averages at 14 °C (57 °F), and nocturnal temperatures keep their downward trend as well, now at 8 °C (46 °F). The height of rainy days occurs, pegged at 16 days, and the increase in rainfall is also evident, with a total of 208 mm (8.18 in). The diminishing hours of daylight and sunlit hours persist.
December weather
Day temperatures maintain their decrease, now at 12 °C (54 °F), as do the nighttime temperatures, which descend correspondingly, recorded at 5 °C (42 °F). The rainfall reaches its zenith, now at 234 mm (9.19 in), and the minimal day length is also apparent.
FAQs
What is the typical lowest daily temperature in January?
In January, Santiago de Compostela typically experiences its lowest daily temperature at 12 °C (53 °F).
How much does the night temperature change from January to February?
February sees a slight increase in the night temperature from January, averaging around 5 °C (40 °F).
Do the number of sunny hours increase significantly in March?
March enjoys a notable increase in sunny hours, averaging 5 hours.
Is there a significant change in the average number of rainy days from March to April?
April witnesses a slight increase in rainy days when compared to March, with an average of 14 days.
How does the average wind speed in May compare to that in previous months?
In May, Santiago de Compostela experiences an average wind speed that is comparable to previous months, registering around 3.
What are the average sunshine hours in June?
June boasts an impressive average of 8 hours of sunshine per day in Santiago de Compostela.
What is the tendency regarding relative humidity in July?
Relative humidity in Santiago de Compostela tends to descend slightly in July, averaging around 74 %.
Does the number of sun hours reach its maximum in August?
Indeed, August experiences the maximum average of sun hours with approximately 8 hours per day in Santiago de Compostela.
Does the daylight duration start to decrease in September?
Yes, the amount of daylight begins to dwindle in September, with an average day length of around 12 hours in Santiago de Compostela.
In Santiago de Compostela, how does the sea temperature in October compare to summer months?
In October, the sea temperature in Santiago de Compostela drops from the summer months, averaging 16 °C (61 °F).
Is there a noticeable change in day length between October and November?
Yes, the day length in Santiago de Compostela decreases noticeably from October to November, averaging 10 hours.
Does the number of rainy days in December compare to the yearly high?
In December, the count of rainy days in Santiago de Compostela nears the annual high, with an average of 15 days.
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