The city is located on the coast, in the north-westernmost part of Spain, where the influence of the Atlantic Ocean is strongly felt. Indeed, winter is particularly mild, even milder than in other cities in Galicia and on the northern Spanish coast, while summer is quite cool.
blows frequently, and can be strong, especially from October to April. Furthermore, the rains are frequent for many months of the year.
of the coldest months (January and February) is of 11 °C (52 °F), that of the warmest month (August) is of 20 °C (68 °F).
Cold air masses from the north rarely produce significant effects, however, there can be cold days, with highs below 10 °C (50 °F).
Snowfalls are very rare: even in the rare periods when it snows in other areas of Galicia, La Coruña is generally spared. However, it snowed in February 1963 and January 1987.
Frosts are also very rare. In the past, there have been slight frosts, for example, -3 °C (26.5 °F) in February 1948 and -2.5 °C (27.5 °F) in February 1956, but from 1990 to 2020, the temperature only dropped to 0 °C (32 °F) in the coldest winters.
It must be said that the city is so mild because it is located directly on the coast. Already at Alvedro airport, located a few kilometers south of the city, the temperature normally drops to -2/-3 °C (27/28 °F) on the coldest nights of the year, and dropped to -5 °C (23 °F) in January 1985.
, from mid-June to mid-September, is quite cool. There are times when the temperature remains below 20 °C (68 °F) even during the day. Fog can form at night and early in the morning.
There may be sunny periods, but also periods when the weather is changeable or cloudy, and there may be drizzles and short showers.
Hot days are very rare: the temperature reaches or exceeds 30 °C (86 °F) just once or twice a year. In August 2003, it reached 34 °C (93 °F) but only for one day.
temperature ranges between 13 °C (55 °F) and 19 °C (66 °F). So, the ocean stays cold enough even in summer, however, the brave can try swimming from July to September.
, from June to August or the first half of September, since it is the driest and sunniest period of the year.
. Here are the average temperatures.
January, the coldest month of the year, is generally a mild month. The average temperature is of
11 °C, with a minimum of
8.4 °C and a maximum of
13.6 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.3 °C in January 2010.

On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
21 °C in January 1999.

Precipitation amounts to
115 mm, distributed over 15 days.
The day lasts on average 9 hours and 25 minutes.

There are on average 3 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.

The average sea temperature is of
13 °C. Therefore, the sea is very cold for swimming.
February is generally a mild month. The average temperature is of
11.1 °C, with a minimum of
8.1 °C and a maximum of
14.2 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
1 °C in February 2012.

On the warmest days of the month, the temperature usually reaches around
19 °C. However, it reached
24.6 °C in February 1997.

Precipitation amounts to
90 mm, distributed over 12 days.
The day lasts on average 10 hours and 35 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.

The average sea temperature is of
13 °C. Therefore, the sea is very cold for swimming.
March is generally a mild month. The average temperature is of
12.5 °C, with a minimum of
9.3 °C and a maximum of
15.7 °C.

On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
0.6 °C in March 1993.

On the warmest days of the month, the temperature usually reaches around
21.5 °C. However, it reached
27.6 °C in March 2017.

Precipitation amounts to
80 mm, distributed over 12 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
12.6 kph.

The average sea temperature is of
13 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
13.3 °C, with a minimum of
10.1 °C and a maximum of
16.6 °C.

On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
4.2 °C in April 1995.

On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
29.4 °C in April 2011.

Precipitation amounts to
90 mm, distributed over 14 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
12.8 kph.

The average sea temperature is of
13 °C. Therefore, the sea is very cold for swimming.
May is generally a very mild month. The average temperature is of
15.4 °C, with a minimum of
12.2 °C and a maximum of
18.6 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
6.6 °C in May 2001.

On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
30.6 °C in May 1992.

Precipitation amounts to
80 mm, distributed over 11 days.
The day lasts on average 14 hours and 40 minutes. So the days are long.

There are on average 6.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.

The average sea temperature is of
14 °C. Therefore, the sea is very cold for swimming.
June is generally a very mild month. The average temperature is of
17.7 °C, with a minimum of
14.5 °C and a maximum of
20.9 °C.

On the coldest nights of the month, the temperature usually drops to around
11.5 °C. However, it dropped to
6.6 °C in June 1998.

On the warmest days of the month, the temperature usually reaches around
28 °C. However, it reached
33.2 °C in June 2000.

Precipitation amounts to
45 mm, distributed over 7 days.
The day lasts on average 15 hours and 25 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 7 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
11.9 kph.

The average sea temperature is of
16 °C. Therefore, the sea is cold for swimming.
July is generally a warm month. The average temperature is of
19.3 °C, with a minimum of
16.2 °C and a maximum of
22.4 °C.

On the coldest nights of the month, the temperature usually drops to around
13.5 °C. However, it dropped to
11.6 °C in July 2002.

On the warmest days of the month, the temperature usually reaches around
28 °C. However, it reached
34.5 °C in July 2006.

Precipitation amounts to
35 mm, distributed over 6 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.

There are on average 7.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
11.4 kph.

The average sea temperature is of
18 °C. Therefore, the sea is cold for swimming.
August, the warmest month of the year, is generally a warm month. The average temperature is of
19.9 °C, with a minimum of
16.6 °C and a maximum of
23.1 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C. However, it dropped to
12.6 °C in August 2011.

On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
34.2 °C in August 2003.

Precipitation amounts to
35 mm, distributed over 6 days.
The day lasts on average 13 hours and 55 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
11 kph.

The average sea temperature is of
19 °C. Therefore, the sea is very cool for swimming.
September is generally a warm month. The average temperature is of
18.7 °C, with a minimum of
15.3 °C and a maximum of
22.1 °C.

On the coldest nights of the month, the temperature usually drops to around
12 °C. However, it dropped to
10 °C in September 1993.

On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
31.9 °C in September 2018.

Precipitation amounts to
65 mm, distributed over 8 days.
The day lasts on average 12 hours and 25 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
10.2 kph.

The average sea temperature is of
18 °C. Therefore, the sea is cold for swimming.
October is generally a very mild month. The average temperature is of
16.5 °C, with a minimum of
13.3 °C and a maximum of
19.6 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
5.6 °C in October 1999.

On the warmest days of the month, the temperature usually reaches around
25 °C. However, it reached
31.5 °C in October 2011.

Precipitation amounts to
135 mm, distributed over 13 days.
The day lasts on average 11 hours and 0 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
10.7 kph.

The average sea temperature is of
17 °C. Therefore, the sea is cold for swimming.
November is generally a mild month. The average temperature is of
13.3 °C, with a minimum of
10.6 °C and a maximum of
16 °C.

On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
2.6 °C in November 2010.

On the warmest days of the month, the temperature usually reaches around
21 °C. However, it reached
25 °C in November 2003.

Precipitation amounts to
140 mm, distributed over 15 days.
The day lasts on average 9 hours and 40 minutes.

There are on average 3.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.

The average sea temperature is of
15 °C. Therefore, the sea is cold for swimming.
December is generally a mild month. The average temperature is of
11.8 °C, with a minimum of
9.1 °C and a maximum of
14.4 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
0.6 °C in December 2001.

On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
21.2 °C in December 2016.

Precipitation amounts to
135 mm, distributed over 15 days.
The day lasts on average 9 hours and 0 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 3 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
12 kph.

The average sea temperature is of
14 °C. Therefore, the sea is very cold for swimming.