Annual mean 21°C · wettest around August · prevailing wind SE
Warmest
29.2 °C
Coldest
24.9 °C
Wettest
95%
Windiest
5.0 m/s
Prevailing
SE
4.0 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 Santiago Atitlán over the whole year is 21°C. April is the hottest month, with highs of about 29°C; February is the coldest, with lows of about 14°C. The rainy (wet) season in Santiago Atitlán runs from April to October, peaking in August with a 79% chance of rain on a given day. The dry season is November to March; December is the driest month, at 15%. Winds in Santiago Atitlán are highest in February, averaging 3.0 m/s (11 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the SE. The clearest skies in Santiago Atitlán come in February, when the sky is typically 43% covered; June is the cloudiest month, at 79%.
Month by month Santiago Atitlán 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
14°C
24°C
40%
50%
2.8 m/s
42
25
44
February
26°C
14°C
25°C
43%
43%
3.0 m/s
39
25
42
March
28°C
17°C
27°C
46%
48%
2.6 m/s
42
26
33
April
29°C
18°C
29°C
49%
56%
2.3 m/s
42
23
28
May
28°C
18°C
29°C
61%
72%
2.0 m/s
42
24
26
June
26°C
18°C
27°C
75%
79%
1.9 m/s
46
24
33
July
26°C
17°C
26°C
75%
73%
2.4 m/s
49
12
45
August
27°C
17°C
27°C
79%
75%
2.2 m/s
49
17
37
September
26°C
18°C
26°C
75%
76%
2.0 m/s
50
19
40
October
26°C
17°C
26°C
75%
75%
2.2 m/s
47
16
41
November
26°C
16°C
25°C
45%
61%
2.6 m/s
45
16
43
December
26°C
15°C
25°C
15%
52%
2.8 m/s
40
23
42
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 Atitlán weather by season
Year round, Santiago Atitlán has days of about 26°C at their warmest in January, its coolest month, and 29°C in April, its warmest; the coolest hours of the day run from 14°C to 18°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around August and least likely around December. 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 Atitlán weather in winterDecember to February
High 26°CLow 14°CRain 33%
Winter in Santiago Atitlán has typical daily highs of about 26°C and lows of about 14°C, with a 33% chance of rain on a given day.
Santiago Atitlán weather in springMarch to May
High 28°CLow 17°CRain 52%
Spring in Santiago Atitlán has typical daily highs of about 28°C and lows of about 17°C, with a 52% chance of rain on a given day.
Santiago Atitlán weather in summerJune to August
High 26°CLow 17°CRain 76%
Summer in Santiago Atitlán has typical daily highs of about 26°C and lows of about 17°C, with a 76% chance of rain on a given day.
Santiago Atitlán weather in autumnSeptember to November
High 26°CLow 17°CRain 65%
Autumn in Santiago Atitlán has typical daily highs of about 26°C and lows of about 17°C, with a 65% chance of rain on a given day.
When is the rainy season in Santiago Atitlán?
The rainy (wet) season in Santiago Atitlán runs from April to October, peaking in August with a 79% chance of rain on a given day. The dry season is November to March; December is the driest month, at 15%.
What time of year is Santiago Atitlán windiest?
Winds in Santiago Atitlán are highest in February, averaging 3.0 m/s (11 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the SE.
What is the average temperature in Santiago Atitlán year round?
The average temperature in Santiago Atitlán over the whole year is 21°C. April is the hottest month, with highs of about 29°C; February is the coldest, with lows of about 14°C.