Annual mean 26°C · wettest around July · prevailing wind SE
Warmest
30.9 °C
Coldest
25.9 °C
Wettest
78%
Windiest
2.9 m/s
Prevailing
SE
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
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 Santiago over the whole year is 26°C. May is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 22°C. Santiago has no sharply defined rainy season: the chance of rain on a given day runs from 53% in March, the driest month, to 72% in July, the wettest. Winds in Santiago are highest in December, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the SE. The clearest skies in Santiago come in March, when the sky is typically 57% covered; August is the cloudiest month, at 79%.
Month by month Santiago 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
26°C
22°C
29°C
55%
68%
2.2 m/s
30
54
10
February
27°C
22°C
29°C
57%
62%
2.2 m/s
26
55
10
March
28°C
23°C
32°C
53%
57%
2.0 m/s
16
46
6
April
30°C
24°C
34°C
60%
57%
1.9 m/s
11
26
3
May
31°C
25°C
36°C
68%
63%
1.7 m/s
9
12
2
June
30°C
25°C
35°C
68%
69%
1.8 m/s
10
12
3
July
29°C
25°C
34°C
72%
76%
2.1 m/s
10
15
4
August
29°C
25°C
34°C
72%
79%
2.1 m/s
10
16
5
September
29°C
24°C
34°C
72%
74%
2.0 m/s
10
16
4
October
29°C
24°C
33°C
71%
71%
2.2 m/s
11
26
4
November
28°C
24°C
32°C
66%
66%
2.1 m/s
13
36
5
December
27°C
23°C
30°C
57%
71%
2.4 m/s
23
45
7
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 Santiago weather by season
Year round, Santiago has days of about 26°C at their warmest in January, its coolest month, and 31°C in May, its warmest; the coolest hours of the day run from 22°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 July 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.
Santiago weather in winterDecember to February
High 27°CLow 22°CRain 56%
Winter in Santiago has typical daily highs of about 27°C and lows of about 22°C, with a 56% chance of rain on a given day.
Santiago weather in springMarch to May
High 30°CLow 24°CRain 60%
Spring in Santiago has typical daily highs of about 30°C and lows of about 24°C, with a 60% chance of rain on a given day.
Santiago weather in summerJune to August
High 30°CLow 25°CRain 71%
Summer in Santiago has typical daily highs of about 30°C and lows of about 25°C, with a 71% chance of rain on a given day.
Santiago weather in autumnSeptember to November
High 29°CLow 24°CRain 70%
Autumn in Santiago has typical daily highs of about 29°C and lows of about 24°C, with a 70% chance of rain on a given day.
When is the rainy season in Santiago?
Santiago has no sharply defined rainy season: the chance of rain on a given day runs from 53% in March, the driest month, to 72% in July, the wettest.
What time of year is Santiago windiest?
Winds in Santiago are highest in December, averaging 2.4 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the SE.
What is the average temperature in Santiago year round?
The average temperature in Santiago over the whole year is 26°C. May is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 22°C.