Measurements:
°C
°F
Porto Alegre
70°F
W 5 mph
Feels like: 70°F
Precip: 0%
World Resorts Brazil Porto Alegre Weather December Weather in Porto Alegre

Porto Alegre Weather: December

Average Day Temperature: 86.9°F
Average Night Temperature: 71.3°F
Sea Water Temperature: 80.3°F
Number of Sunny Days: 13 days
Sunshine Hours: 13.9 - 14.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.5 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
16
32
48
64
80
96
112
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 94°F. The lowest night temperature was 63°F. The average values for day and night temperatures during December were 82.3°F и 68.3°F respectivly.

Porto Alegre Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
71
74
77
80
83
86
89
92

The average sea surface temperature in December 2024 for Porto Alegre was 79.9°F. The maximum and minimum values were 77.6°F and 81.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
42%
32%
26%

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.4
0.9
1.3
1.8
2.2
2.6
3.1

Precipitation total in December for Porto Alegre is 1.5 in.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.6
3.9
5.2
6.5
7.8
9.1
10.3

The average wind speed in December is 7.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.1
4.6
6.1
7.7
9.2
10.8

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Porto Alegre in December is 8.4 hours.

Best Time to Visit Porto Alegre
The most sunny months:
August 16 days
July 15 days
February 15 days
The most warm months:
January 91.1 °F
February 90.8 °F
March 87.7 °F
Warmest sea temperature:
February 84.5 °F
January 84.1 °F
March 82.9 °F
The most cold months:
July 66.4 °F
June 67.2 °F
May 69.8 °F
The most rainy months:
September 5 days
May 5 days
July 4 days
The most windy months:
December 7 mph
January 7 mph
November 7 mph

Porto Alegre on the Weather Map

Brazil Resorts:
NAME
Angra dos Reis +72
Buzios +76
Florianopolis +68
Fortaleza +78
Itajai +72
Joao Pessoa +80
Natal +80
Recife +80
Rio de Janeiro +78
Rio Grande +74
Salvador +84
Santos +74
Sao Paulo +66
Sao Sebastiao +74
Ubatuba +68
24 Hours Weather Forecast
Porto Alegre
Local time: 01:48
17 mar, monday
0300 70°F
W
5 mph
0600 70°F
W
3 mph
0900 82°F
SW
1 mph
1200 88°F
N
2 mph
1500 88°F
N
9 mph
1800 80°F
NW
9 mph
2100 76°F
NW
7 mph
18 mar, tuesday
0000 74°F
NW
4 mph