Annual mean 26°C · wettest around December · prevailing wind E
Warmest
36.2 °C
Coldest
29.2 °C
Wettest
99%
Windiest
2.8 m/s
Prevailing
E
1.7 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
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 Barreiras over the whole year is 26°C. October is the hottest month, with highs of about 35°C; July is the coldest, with lows of about 18°C. The rainy (wet) season in Barreiras runs from September to May, peaking in December with a 85% chance of rain on a given day. The dry season is June to August; July is the driest month, at 37%. Winds in Barreiras are highest in October, averaging 1.3 m/s (5 km/h), and lightest in January, at 0.8 m/s (3 km/h). The prevailing wind is from the E. The clearest skies in Barreiras come in September, when the sky is typically 28% covered; December is the cloudiest month, at 68%.
Month by month Barreiras 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
23°C
33°C
75%
61%
0.8 m/s
6
56
0
February
30°C
23°C
33°C
83%
57%
0.9 m/s
3
41
0
March
31°C
23°C
34°C
73%
54%
0.8 m/s
3
42
0
April
31°C
23°C
34°C
71%
44%
0.8 m/s
2
37
0
May
31°C
21°C
33°C
68%
41%
1.0 m/s
3
50
0
June
31°C
19°C
32°C
41%
40%
1.0 m/s
11
61
1
July
30°C
18°C
30°C
37%
29%
1.2 m/s
25
80
3
August
32°C
21°C
31°C
52%
35%
1.2 m/s
8
75
1
September
32°C
23°C
32°C
66%
28%
1.2 m/s
6
59
1
October
35°C
26°C
35°C
81%
52%
1.3 m/s
2
25
0
November
31°C
24°C
33°C
85%
66%
1.1 m/s
6
48
0
December
31°C
24°C
33°C
85%
68%
1.0 m/s
4
42
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 Barreiras weather by season
Year round, Barreiras has days of about 30°C at their warmest in January, its coolest month, and 35°C in October, its warmest; the coolest hours of the day run from 18°C to 26°C through the year, and the average temperature over the year is 26°C around the clock. Rain is most likely around December 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.
Barreiras weather in winterJune to August
High 31°CLow 20°CRain 43%
Winter in Barreiras has typical daily highs of about 31°C and lows of about 20°C, with a 43% chance of rain on a given day.
Barreiras weather in springSeptember to November
High 33°CLow 24°CRain 77%
Spring in Barreiras has typical daily highs of about 33°C and lows of about 24°C, with a 77% chance of rain on a given day.
Barreiras weather in summerDecember to February
High 30°CLow 23°CRain 81%
Summer in Barreiras has typical daily highs of about 30°C and lows of about 23°C, with a 81% chance of rain on a given day.
Barreiras weather in autumnMarch to May
High 31°CLow 22°CRain 71%
Autumn in Barreiras has typical daily highs of about 31°C and lows of about 22°C, with a 71% chance of rain on a given day.
When is the rainy season in Barreiras?
The rainy (wet) season in Barreiras runs from September to May, peaking in December with a 85% chance of rain on a given day. The dry season is June to August; July is the driest month, at 37%.
What time of year is Barreiras windiest?
Winds in Barreiras are highest in October, averaging 1.3 m/s (5 km/h), and lightest in January, at 0.8 m/s (3 km/h). The prevailing wind is from the E.
What is the average temperature in Barreiras year round?
The average temperature in Barreiras over the whole year is 26°C. October is the hottest month, with highs of about 35°C; July is the coldest, with lows of about 18°C.