Climate LabRio de Janeiro, Brazil

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
31
30
31
27
27
26
26
28
30
28
28
30
28
Daily mean°C
27
27
28
25
23
22
22
23
25
24
24
26
25
Daily low°C
24
24
25
22
20
19
19
18
21
22
21
24
22
Thermal comfort
High feels°C
38
37
37
32
32
31
31
32
36
35
35
36
34
Mean feels°C
31
31
32
26
25
24
22
24
28
27
28
30
27
Low feels°C
25
24
24
20
17
15
15
15
19
21
21
24
20
Humidity
Humidity%
78
79
74
77
76
77
74
75
75
77
77
78
76
Dewpoint°C
22.7
23.0
21.9
19.4
18.7
17.3
16.9
16.9
19.3
19.7
20.4
21.9
19.8
Precipitation
Rainfallmm
168
144
75
110
50
30
35
74
36
116
99
195
1133
Rain days≥1mm
20
17
14
15
9
9
7
10
7
16
15
21
160
Wind
Wind avgm/s
2.8
2.5
2.5
2.7
2.8
2.8
3.0
3.2
3.7
3.7
3.3
3.0
3.0
Wind gustsm/s
5.4
5.1
5.2
5.4
5.6
5.5
5.5
6.3
6.7
6.6
6.2
5.9
5.8
Sun & UV
Sunshinehrs/day
10.0
9.9
10.1
9.1
9.0
8.7
8.8
8.8
9.6
9.2
10.2
10.0
9.5
Clear skyindex
42%
40%
54%
56%
59%
50%
60%
62%
55%
35%
44%
41%
50%
UV indexmax avg
10.1
9.3
9.0
7.0
5.4
4.6
5.2
5.9
7.1
7.2
8.9
9.1
7.4
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Brazil

Rio de Janeiro: 17.8 °C. Typical range in Brazil: 13.320.4 °C. Low anchor: Porto Alegre, 7.7 °C. High anchor: Manaus, 27.3 °C.

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