Annual mean 26°C · wettest around November · prevailing wind E
Warmest
32.0 °C
Coldest
27.5 °C
Wettest
93%
Windiest
6.1 m/s
Prevailing
E
5.1 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
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 Río Grande over the whole year is 26°C. September is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 21°C. Río Grande has no sharply defined rainy season: the chance of rain on a given day runs from 67% in May, the driest month, to 78% in November, the wettest. Winds in Río Grande are highest in July, averaging 3.2 m/s (12 km/h), and lightest in November, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Río Grande come in January, when the sky is typically 48% covered; May is the cloudiest month, at 55%.
Month by month Río Grande 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
28°C
21°C
29°C
76%
48%
2.3 m/s
26
75
3
February
28°C
21°C
29°C
68%
49%
2.6 m/s
32
74
3
March
29°C
21°C
29°C
72%
49%
2.7 m/s
26
71
3
April
29°C
22°C
31°C
69%
51%
2.8 m/s
13
73
1
May
31°C
24°C
32°C
67%
55%
3.0 m/s
4
58
0
June
32°C
25°C
34°C
69%
50%
3.1 m/s
1
42
0
July
32°C
25°C
34°C
71%
50%
3.2 m/s
1
43
0
August
32°C
25°C
34°C
72%
50%
3.1 m/s
1
40
0
September
32°C
25°C
35°C
72%
52%
2.7 m/s
1
30
0
October
31°C
24°C
34°C
71%
53%
2.2 m/s
1
38
0
November
30°C
23°C
32°C
78%
55%
2.1 m/s
5
58
0
December
28°C
21°C
30°C
74%
49%
2.1 m/s
14
75
0
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 Río Grande weather by season
Year round, Río Grande has days of about 28°C at their warmest in January, its coolest month, and 32°C in September, its warmest; the coolest hours of the day run from 21°C to 25°C through the year, and the average temperature over the year is 26°C around the clock. Rain is most likely around November and least likely around May. 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.
Río Grande weather in winterDecember to February
High 28°CLow 21°CRain 73%
Winter in Río Grande has typical daily highs of about 28°C and lows of about 21°C, with a 73% chance of rain on a given day.
Río Grande weather in springMarch to May
High 30°CLow 22°CRain 69%
Spring in Río Grande has typical daily highs of about 30°C and lows of about 22°C, with a 69% chance of rain on a given day.
Río Grande weather in summerJune to August
High 32°CLow 25°CRain 71%
Summer in Río Grande has typical daily highs of about 32°C and lows of about 25°C, with a 71% chance of rain on a given day.
Río Grande weather in autumnSeptember to November
High 31°CLow 24°CRain 73%
Autumn in Río Grande has typical daily highs of about 31°C and lows of about 24°C, with a 73% chance of rain on a given day.
When is the rainy season in Río Grande?
Río Grande has no sharply defined rainy season: the chance of rain on a given day runs from 67% in May, the driest month, to 78% in November, the wettest.
What time of year is Río Grande windiest?
Winds in Río Grande are highest in July, averaging 3.2 m/s (12 km/h), and lightest in November, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Río Grande year round?
The average temperature in Río Grande over the whole year is 26°C. September is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 21°C.