Annual mean 24°C · wettest around November · prevailing wind NE
Warmest
28.9 °C
Coldest
26.5 °C
Wettest
75%
Windiest
6.2 m/s
Prevailing
NE
4.5 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 Isidro over the whole year is 24°C. April is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 21°C. San Isidro has no sharply defined rainy season: the chance of rain on a given day runs from 43% in January, the driest month, to 66% in November, the wettest. Winds in San Isidro are highest in February, averaging 4.9 m/s (18 km/h), and lightest in October, at 2.3 m/s (8 km/h). The prevailing wind is from the NE. The clearest skies in San Isidro come in February, when the sky is typically 41% covered; June is the cloudiest month, at 79%.
Month by month San Isidro 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
27°C
21°C
27°C
43%
44%
4.4 m/s
48
43
26
February
28°C
21°C
26°C
51%
41%
4.9 m/s
48
43
26
March
29°C
21°C
28°C
55%
47%
4.5 m/s
42
48
19
April
29°C
22°C
29°C
60%
61%
3.6 m/s
37
52
11
May
28°C
23°C
30°C
65%
74%
2.6 m/s
34
49
7
June
28°C
21°C
30°C
60%
79%
2.4 m/s
39
46
9
July
27°C
22°C
29°C
59%
77%
3.2 m/s
42
45
13
August
28°C
22°C
29°C
58%
74%
2.6 m/s
41
47
11
September
28°C
22°C
30°C
60%
76%
2.4 m/s
40
51
8
October
27°C
22°C
29°C
62%
74%
2.3 m/s
43
50
11
November
27°C
22°C
28°C
66%
69%
2.8 m/s
47
49
15
December
27°C
21°C
27°C
45%
51%
4.0 m/s
49
42
25
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 Isidro weather by season
Year round, San Isidro has days of about 27°C at their warmest in November, its coolest month, and 29°C in April, its warmest; the coolest hours of the day run from 21°C to 23°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around November and least likely around January. 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 Isidro weather in winterDecember to February
High 27°CLow 21°CRain 46%
Winter in San Isidro has typical daily highs of about 27°C and lows of about 21°C, with a 46% chance of rain on a given day.
San Isidro weather in springMarch to May
High 29°CLow 22°CRain 60%
Spring in San Isidro has typical daily highs of about 29°C and lows of about 22°C, with a 60% chance of rain on a given day.
San Isidro weather in summerJune to August
High 28°CLow 22°CRain 59%
Summer in San Isidro has typical daily highs of about 28°C and lows of about 22°C, with a 59% chance of rain on a given day.
San Isidro weather in autumnSeptember to November
High 27°CLow 22°CRain 63%
Autumn in San Isidro has typical daily highs of about 27°C and lows of about 22°C, with a 63% chance of rain on a given day.
When is the rainy season in San Isidro?
San Isidro has no sharply defined rainy season: the chance of rain on a given day runs from 43% in January, the driest month, to 66% in November, the wettest.
What time of year is San Isidro windiest?
Winds in San Isidro are highest in February, averaging 4.9 m/s (18 km/h), and lightest in October, at 2.3 m/s (8 km/h). The prevailing wind is from the NE.
What is the average temperature in San Isidro year round?
The average temperature in San Isidro over the whole year is 24°C. April is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 21°C.