Annual mean 18°C · wettest around March · prevailing wind N
Warmest
29.3 °C
Coldest
12.8 °C
Wettest
32%
Windiest
6.1 m/s
Prevailing
N
4.8 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 San Luis over the whole year is 18°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 6°C. The rainy (wet) season in San Luis runs from October to April, peaking in March with a 32% chance of rain on a given day. The dry season is May to September; August is the driest month, at 5%. Winds in San Luis are highest in November, averaging 4.8 m/s (17 km/h), and lightest in May, at 3.0 m/s (11 km/h). The prevailing wind is from the N. The clearest skies in San Luis come in August, when the sky is typically 37% covered; May is the cloudiest month, at 52%.
Month by month San Luis 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
30°C
20°C
27°C
30%
45%
4.1 m/s
44
57
21
February
29°C
19°C
26°C
28%
40%
4.0 m/s
51
55
24
March
25°C
17°C
23°C
32%
43%
3.9 m/s
61
38
41
April
21°C
13°C
18°C
26%
47%
3.6 m/s
68
12
68
May
17°C
10°C
14°C
16%
52%
3.0 m/s
44
2
76
June
14°C
6°C
10°C
13%
44%
3.2 m/s
21
0
66
July
14°C
6°C
9°C
9%
43%
3.3 m/s
18
0
63
August
17°C
8°C
12°C
5%
37%
4.0 m/s
32
1
70
September
20°C
11°C
15°C
12%
39%
4.4 m/s
52
5
73
October
23°C
14°C
18°C
22%
44%
4.7 m/s
61
14
64
November
27°C
17°C
22°C
28%
43%
4.8 m/s
65
36
43
December
29°C
19°C
25°C
25%
41%
4.6 m/s
52
50
29
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 Luis weather by season
Year round, San Luis has days of about 14°C at their warmest in July, its coolest month, and 30°C in January, its warmest; the coolest hours of the day run from 6°C to 20°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around March and least likely around August. 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 Luis weather in winterJune to August
High 15°CLow 6°CRain 9%
Winter in San Luis has typical daily highs of about 15°C and lows of about 6°C, with a 9% chance of rain on a given day.
San Luis weather in springSeptember to November
High 23°CLow 14°CRain 21%
Spring in San Luis has typical daily highs of about 23°C and lows of about 14°C, with a 21% chance of rain on a given day.
San Luis weather in summerDecember to February
High 29°CLow 20°CRain 28%
Summer in San Luis has typical daily highs of about 29°C and lows of about 20°C, with a 28% chance of rain on a given day.
San Luis weather in autumnMarch to May
High 21°CLow 13°CRain 25%
Autumn in San Luis has typical daily highs of about 21°C and lows of about 13°C, with a 25% chance of rain on a given day.
When is the rainy season in San Luis?
The rainy (wet) season in San Luis runs from October to April, peaking in March with a 32% chance of rain on a given day. The dry season is May to September; August is the driest month, at 5%.
What time of year is San Luis windiest?
Winds in San Luis are highest in November, averaging 4.8 m/s (17 km/h), and lightest in May, at 3.0 m/s (11 km/h). The prevailing wind is from the N.
What is the average temperature in San Luis year round?
The average temperature in San Luis over the whole year is 18°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 6°C.