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Costa Blanca weather in December

Weather in Costa Blanca: December

Average day temperature: 61.7°F
Average night temperature: 55.5°F
Sea water temperature: 61.9°F
Number of sunny days: 21 days
Day length: 9.5 - 9.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 67°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during December were 59.7°F and 54.6°F.

Sea water temperature in Costa Blanca in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 62.5°F. The highest and lowest sea temperatures during the month were 63.9°F and 61.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Costa Blanca in December is 1.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 8.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 7.1.

Best time for vacation in Costa Blanca

Sunniest months:
July 29 days
August 27 days
June 27 days
Warmest months:
August 84.5 °F
July 83.4 °F
September 80.1 °F
Warmest sea temp:
August 80.8 °F
July 78.8 °F
September 78.4 °F
Coldest months:
February 59.0 °F
January 59.2 °F
March 61.2 °F
Rainiest months:
November 2 days
March 2 days
October 2 days
Windiest months:
March 10.2 mph
February 9.6 mph
January 9.6 mph

Costa Blanca on a weather map

Costa Blanca
+55°F
S 9 mph
Feels like: +52°F
Precip.: 82%
Places in Spain:
Name
°F
+54°F
+55°F
+54°F
+64°F
+55°F
+64°F
+54°F
+70°F
+48°F
+54°F
+63°F
+55°F
+66°F
24 Hours Forecast
Costa Blanca
Local time: 17:44
December 27, saturday
1800
55°F
S
9 mph
2100
54°F
S
11 mph
December 28, sunday
0000
54°F
S
8 mph
0300
54°F
S
7 mph
0600
55°F
S
10 mph
0900
55°F
S
7 mph
1200
57°F
S
4 mph
1500
59°F
NW
2 mph
Units of measurement: °C / °F