Annual mean 22°C · wettest around August · prevailing wind NW
Warmest
31.4 °C
Coldest
25.0 °C
Wettest
100%
Windiest
3.7 m/s
Prevailing
NW
2.5 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 San Blas over the whole year is 22°C. May is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 11°C. The rainy (wet) season in San Blas runs from June to October, peaking in August with a 69% chance of rain on a given day. The dry season is January to May; March is the driest month, at 18%. Winds in San Blas are highest in May, averaging 2.2 m/s (8 km/h), and lightest in November, at 1.4 m/s (5 km/h). The prevailing wind is from the NW. The clearest skies in San Blas come in March, when the sky is typically 28% covered; August is the cloudiest month, at 77%.
Month by month San Blas 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
25°C
11°C
24°C
34%
41%
1.7 m/s
71
49
33
February
27°C
11°C
26°C
34%
35%
1.8 m/s
63
59
24
March
28°C
11°C
27°C
18%
28%
2.0 m/s
54
67
17
April
30°C
13°C
28°C
19%
32%
2.1 m/s
40
74
7
May
31°C
16°C
30°C
40%
31%
2.2 m/s
17
72
2
June
30°C
20°C
32°C
48%
62%
2.1 m/s
11
60
2
July
29°C
21°C
32°C
67%
74%
1.8 m/s
10
46
2
August
29°C
21°C
32°C
69%
77%
1.6 m/s
11
44
2
September
29°C
21°C
32°C
63%
74%
1.6 m/s
13
46
3
October
29°C
20°C
31°C
51%
56%
1.6 m/s
16
56
4
November
28°C
15°C
29°C
32%
37%
1.4 m/s
31
69
10
December
26°C
12°C
26°C
46%
39%
1.5 m/s
55
60
21
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 San Blas weather by season
Year round, San Blas has days of about 25°C at their warmest in January, its coolest month, and 31°C in May, its warmest; the coolest hours of the day run from 11°C to 21°C through the year, and the average temperature over the year is 22°C around the clock. Rain is most likely around August and least likely around March. 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.
San Blas weather in winterDecember to February
High 26°CLow 11°CRain 38%
Winter in San Blas has typical daily highs of about 26°C and lows of about 11°C, with a 38% chance of rain on a given day.
San Blas weather in springMarch to May
High 29°CLow 13°CRain 26%
Spring in San Blas has typical daily highs of about 29°C and lows of about 13°C, with a 26% chance of rain on a given day.
San Blas weather in summerJune to August
High 29°CLow 21°CRain 61%
Summer in San Blas has typical daily highs of about 29°C and lows of about 21°C, with a 61% chance of rain on a given day.
San Blas weather in autumnSeptember to November
High 29°CLow 19°CRain 49%
Autumn in San Blas has typical daily highs of about 29°C and lows of about 19°C, with a 49% chance of rain on a given day.
When is the rainy season in San Blas?
The rainy (wet) season in San Blas runs from June to October, peaking in August with a 69% chance of rain on a given day. The dry season is January to May; March is the driest month, at 18%.
What time of year is San Blas windiest?
Winds in San Blas are highest in May, averaging 2.2 m/s (8 km/h), and lightest in November, at 1.4 m/s (5 km/h). The prevailing wind is from the NW.
What is the average temperature in San Blas year round?
The average temperature in San Blas over the whole year is 22°C. May is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 11°C.