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Sintra weather in December

Weather in Sintra: December

Average day temperature: 61.0°F
Average night temperature: 55.1°F
Sea water temperature: 60.2°F
Number of sunny days: 14 days
Day length: 9.4 - 9.7 hours
Number of rainy days: 3 days
Precipitation totals: 2.3 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 66°F. At the same time the lowest night temperature was 48°F. Day and night temperature averages during December were 59.6°F and 53.8°F.

Sea water temperature in Sintra in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2023 was 61.4°F. The highest and lowest sea temperatures during the month were 62.6°F and 60.1°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in December is almost equal.

Precipitation total in December, in.

Precipitation total value in Sintra in December is 2.6 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 11.0 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: 5.0.

Best time for vacation in Sintra

Sunniest months:
August 27 days
July 25 days
September 23 days
Warmest months:
August 78.6 °F
July 77.8 °F
September 76.9 °F
Warmest sea temp:
September 64.7 °F
October 64.3 °F
August 63.8 °F
Coldest months:
January 58.9 °F
February 59.6 °F
December 61.0 °F
Rainiest months:
March 4 days
November 4 days
January 4 days
Windiest months:
July 12.8 mph
August 12.5 mph
June 12.2 mph

Sintra on a weather map

Sintra
+59°F
S 16 mph
Feels like: +55°F
Precip.: 0%
Places in Portugal:
Name
°F
+59°F
+59°F
+59°F
+59°F
+59°F
+55°F
+55°F
+63°F
+59°F
+54°F
+63°F
+54°F
+57°F
+55°F
24 Hours Forecast
Sintra
Local time: 11:59
December 22, sunday
1200
59°F
S
16 mph
1500
61°F
S
19 mph
1800
57°F
S
20 mph
2100
57°F
S
21 mph
December 23, monday
0000
55°F
S
19 mph
0300
54°F
S
18 mph
0600
54°F
S
19 mph
0900
52°F
SW
13 mph
Units of measurement: °C / °F