Annual mean 19°C · wettest around January · prevailing wind NE
Warmest
25.6 °C
Coldest
18.7 °C
Wettest
75%
Windiest
2.4 m/s
Prevailing
NE
2.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Três Rios over the whole year is 19°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 13°C. The rainy (wet) season in Três Rios runs from September to April, peaking in January with a 63% chance of rain on a given day. The dry season is May to August; July is the driest month, at 17%. Winds in Três Rios are highest in November, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.8 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in Três Rios come in July, when the sky is typically 56% covered; October is the cloudiest month, at 75%.
Month by month Três Rios climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
26°C
20°C
27°C
63%
66%
2.0 m/s
48
51
19
February
25°C
19°C
27°C
58%
65%
2.0 m/s
53
49
24
March
24°C
19°C
26°C
50%
61%
1.9 m/s
56
49
26
April
22°C
17°C
24°C
48%
62%
1.9 m/s
67
36
44
May
21°C
15°C
21°C
35%
58%
1.8 m/s
73
23
59
June
20°C
15°C
20°C
34%
58%
1.9 m/s
73
18
65
July
19°C
13°C
18°C
17%
56%
1.9 m/s
69
13
70
August
19°C
14°C
19°C
39%
58%
2.2 m/s
69
14
68
September
22°C
16°C
22°C
45%
61%
2.3 m/s
70
29
52
October
22°C
18°C
23°C
51%
75%
2.3 m/s
67
32
47
November
22°C
18°C
23°C
61%
73%
2.4 m/s
67
30
46
December
24°C
19°C
26°C
54%
70%
2.1 m/s
56
43
30
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Três Rios weather by season
Year round, Três Rios has days of about 19°C at their warmest in July, its coolest month, and 26°C in January, its warmest; the coolest hours of the day run from 13°C to 20°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Três Rios weather in winterJune to August
High 19°CLow 14°CRain 30%
Winter in Três Rios has typical daily highs of about 19°C and lows of about 14°C, with a 30% chance of rain on a given day.
Três Rios weather in springSeptember to November
High 22°CLow 17°CRain 52%
Spring in Três Rios has typical daily highs of about 22°C and lows of about 17°C, with a 52% chance of rain on a given day.
Três Rios weather in summerDecember to February
High 25°CLow 19°CRain 58%
Summer in Três Rios has typical daily highs of about 25°C and lows of about 19°C, with a 58% chance of rain on a given day.
Três Rios weather in autumnMarch to May
High 22°CLow 17°CRain 44%
Autumn in Três Rios has typical daily highs of about 22°C and lows of about 17°C, with a 44% chance of rain on a given day.
When is the rainy season in Três Rios?
The rainy (wet) season in Três Rios runs from September to April, peaking in January with a 63% chance of rain on a given day. The dry season is May to August; July is the driest month, at 17%.
What time of year is Três Rios windiest?
Winds in Três Rios are highest in November, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.8 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in Três Rios year round?
The average temperature in Três Rios over the whole year is 19°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 13°C.