Annual mean 14°C · wettest around June · prevailing wind SW
Warmest
26.2 °C
Coldest
9.5 °C
Wettest
20%
Windiest
5.3 m/s
Prevailing
SW
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Rancagua over the whole year is 14°C. February is the hottest month, with highs of about 25°C; August is the coldest, with lows of about 5°C. Rancagua has no sharply defined rainy season: the chance of rain on a given day runs from 2% in February, the driest month, to 13% in June, the wettest. Winds in Rancagua are highest in December, averaging 3.5 m/s (13 km/h), and lightest in May, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Rancagua come in February, when the sky is typically 23% covered; June is the cloudiest month, at 61%.
Month by month Rancagua 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
24°C
16°C
22°C
3%
31%
3.0 m/s
71
34
54
February
25°C
16°C
23°C
2%
23%
3.1 m/s
72
45
42
March
22°C
14°C
20°C
5%
34%
3.0 m/s
79
16
68
April
19°C
10°C
16°C
4%
41%
2.8 m/s
66
4
83
May
15°C
8°C
12°C
10%
53%
2.3 m/s
33
1
77
June
13°C
6°C
10°C
13%
61%
2.7 m/s
17
0
74
July
12°C
5°C
8°C
8%
50%
2.8 m/s
13
0
62
August
13°C
5°C
9°C
7%
44%
3.1 m/s
14
0
66
September
16°C
8°C
12°C
5%
48%
3.0 m/s
29
1
79
October
17°C
10°C
14°C
3%
47%
2.8 m/s
40
6
77
November
21°C
13°C
18°C
2%
34%
3.1 m/s
72
13
74
December
23°C
15°C
20°C
2%
26%
3.5 m/s
64
29
59
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 Rancagua weather by season
Year round, Rancagua has days of about 12°C at their warmest in July, its coolest month, and 25°C in February, its warmest; the coolest hours of the day run from 5°C to 16°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around June and least likely around February. 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.
Rancagua weather in winterJune to August
High 12°CLow 5°CRain 9%
Winter in Rancagua has typical daily highs of about 12°C and lows of about 5°C, with a 9% chance of rain on a given day.
Rancagua weather in springSeptember to November
High 18°CLow 10°CRain 3%
Spring in Rancagua has typical daily highs of about 18°C and lows of about 10°C, with a 3% chance of rain on a given day.
Rancagua weather in summerDecember to February
High 24°CLow 16°CRain 2%
Summer in Rancagua has typical daily highs of about 24°C and lows of about 16°C, with a 2% chance of rain on a given day.
Rancagua weather in autumnMarch to May
High 19°CLow 11°CRain 6%
Autumn in Rancagua has typical daily highs of about 19°C and lows of about 11°C, with a 6% chance of rain on a given day.
When is the rainy season in Rancagua?
Rancagua has no sharply defined rainy season: the chance of rain on a given day runs from 2% in February, the driest month, to 13% in June, the wettest.
What time of year is Rancagua windiest?
Winds in Rancagua are highest in December, averaging 3.5 m/s (13 km/h), and lightest in May, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Rancagua year round?
The average temperature in Rancagua over the whole year is 14°C. February is the hottest month, with highs of about 25°C; August is the coldest, with lows of about 5°C.