Annual mean 25°C · wettest around June · prevailing wind SE
Warmest
30.0 °C
Coldest
25.9 °C
Wettest
70%
Windiest
4.1 m/s
Prevailing
SE
3.5 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 Rio Formoso over the whole year is 25°C. January is the hottest month, with highs of about 30°C; August is the coldest, with lows of about 21°C. The rainy (wet) season in Rio Formoso runs from March to September, peaking in June with a 48% chance of rain on a given day. The dry season is October to November; November is the driest month, at 10%. Winds in Rio Formoso are highest in October, averaging 2.9 m/s (10 km/h), and lightest in April, at 2.1 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Rio Formoso come in November, when the sky is typically 53% covered; June is the cloudiest month, at 65%.
Month by month Rio Formoso 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
30°C
24°C
32°C
29%
56%
2.7 m/s
8
65
0
February
30°C
24°C
32°C
24%
55%
2.5 m/s
5
59
0
March
29°C
24°C
32°C
35%
57%
2.4 m/s
5
56
1
April
29°C
23°C
32°C
37%
55%
2.1 m/s
6
54
1
May
28°C
23°C
31°C
46%
61%
2.1 m/s
11
66
1
June
26°C
22°C
29°C
48%
65%
2.4 m/s
27
70
6
July
26°C
21°C
28°C
47%
64%
2.6 m/s
41
69
10
August
26°C
21°C
28°C
40%
62%
2.7 m/s
46
70
10
September
27°C
22°C
29°C
29%
59%
2.8 m/s
33
77
5
October
29°C
22°C
30°C
21%
54%
2.9 m/s
17
77
2
November
30°C
23°C
31°C
10%
53%
2.9 m/s
9
74
1
December
30°C
24°C
32°C
34%
55%
2.8 m/s
8
70
1
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 Rio Formoso weather by season
Year round, Rio Formoso has days of about 26°C at their warmest in July, its coolest month, and 30°C in January, its warmest; the coolest hours of the day run from 21°C to 24°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around June and least likely around November. 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.
Rio Formoso weather in winterJune to August
High 26°CLow 21°CRain 45%
Winter in Rio Formoso has typical daily highs of about 26°C and lows of about 21°C, with a 45% chance of rain on a given day.
Rio Formoso weather in springSeptember to November
High 29°CLow 22°CRain 20%
Spring in Rio Formoso has typical daily highs of about 29°C and lows of about 22°C, with a 20% chance of rain on a given day.
Rio Formoso weather in summerDecember to February
High 30°CLow 24°CRain 29%
Summer in Rio Formoso has typical daily highs of about 30°C and lows of about 24°C, with a 29% chance of rain on a given day.
Rio Formoso weather in autumnMarch to May
High 29°CLow 23°CRain 39%
Autumn in Rio Formoso has typical daily highs of about 29°C and lows of about 23°C, with a 39% chance of rain on a given day.
When is the rainy season in Rio Formoso?
The rainy (wet) season in Rio Formoso runs from March to September, peaking in June with a 48% chance of rain on a given day. The dry season is October to November; November is the driest month, at 10%.
What time of year is Rio Formoso windiest?
Winds in Rio Formoso are highest in October, averaging 2.9 m/s (10 km/h), and lightest in April, at 2.1 m/s (8 km/h). The prevailing wind is from the SE.
What is the average temperature in Rio Formoso year round?
The average temperature in Rio Formoso over the whole year is 25°C. January is the hottest month, with highs of about 30°C; August is the coldest, with lows of about 21°C.