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Porto weather in December

Weather in Porto: December

Average day temperature: 58.6°F
Average night temperature: 51.3°F
Sea water temperature: 57.8°F
Number of sunny days: 13 days
Day length: 9.2 - 9.4 hours
Number of rainy days: 8 days
Precipitation totals: 6.2 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 65°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during December were 56.5°F and 50.9°F.

Sea water temperature in Porto in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2024 was 59.3°F. The highest and lowest sea temperatures during the month were 61.3°F and 57.2°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in December, in.

Precipitation total value in Porto in December is 6.9 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: 4.9.

Best time for vacation in Porto

Sunniest months:
August 25 days
July 24 days
September 21 days
Warmest months:
August 77.9 °F
July 77.5 °F
September 75.5 °F
Warmest sea temp:
September 63.4 °F
August 62.9 °F
July 62.5 °F
Coldest months:
January 56.5 °F
February 57.6 °F
December 58.6 °F
Rainiest months:
November 9 days
December 8 days
October 8 days
Windiest months:
March 8.4 mph
February 8.3 mph
November 8.1 mph

Porto on a weather map

Porto
+46°F
S 4 mph
Feels like: +45°F
Precip.: 0%
Places in Portugal:
Name
°F
+48°F
+50°F
+52°F
+48°F
+50°F
+48°F
+52°F
+59°F
+50°F
+46°F
+59°F
+50°F
+52°F
24 Hours Forecast
Porto
Local time: 22:55
December 22, monday
0000
46°F
S
4 mph
0300
46°F
SE
4 mph
0600
46°F
SE
8 mph
0900
46°F
S
6 mph
1200
50°F
SE
2 mph
1500
52°F
SE
14 mph
1800
52°F
SE
13 mph
2100
50°F
SE
9 mph

Best place for vacation:

Units of measurement: °C / °F