Comitán climate

Name: Comitán
Address: MX

Comitán is warmest in April, with average highs of 27 °C, and coldest in January, when nights average 12 °C. September is the wettest month (338 mm) and February the driest (4.1 mm). Figures are 1991–2020 climate normals.

Across a full year Comitán averages 1,463 mm of rain and 115 days above 25 °C.

Mexico · population 166,178 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 27 °C
Coldest month January 12 °C
Driest month February 4 mm
Wettest month September 338 mm
Least cloud February 27 % cloud
Hottest on record May 34 °C
Coldest on record February 4.6 °C

What to expectComitán through the year

Comitán has a clear annual cycle: average daily highs run from 22 °C in January to 27 °C in April, a swing of 3.8 °C in mean temperature across the year.

Counted across a normal year, 115 days a year reach 25 °C, 3 of them reach 30 °C. The warmest reading in the 1991–2020 record is 34 °C, in May.

Rain is strongly seasonal. September averages 338 mm against 4 mm in February — 82 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.5 °C	7 mm	31 %
February	24.2 °C	4 mm	27 %
March	26.0 °C	10 mm	28 %
April	27.3 °C	36 mm	38 %
May	26.1 °C	153 mm	63 %
June	23.7 °C	296 mm	82 %
July	24.1 °C	129 mm	74 %
August	24.6 °C	223 mm	75 %
September	23.4 °C	338 mm	83 %
October	22.7 °C	213 mm	72 %
November	22.2 °C	42 mm	49 %
December	22.2 °C	11 mm	34 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.5 °C	12.3 °C	16.8 °C	28.2 °C	5.0 °C	3	0
February	24.2 °C	12.8 °C	17.8 °C	30.0 °C	4.6 °C	11	0
March	26.0 °C	13.6 °C	19.2 °C	31.1 °C	6.5 °C	22	1
April	27.3 °C	15.0 °C	20.6 °C	32.6 °C	8.1 °C	26	2
May	26.1 °C	15.9 °C	20.4 °C	33.5 °C	10.9 °C	21	1
June	23.7 °C	16.2 °C	19.3 °C	28.6 °C	12.9 °C	5	0
July	24.1 °C	15.7 °C	19.4 °C	28.4 °C	11.4 °C	8	0
August	24.6 °C	15.9 °C	19.6 °C	28.9 °C	11.8 °C	13	0
September	23.4 °C	15.9 °C	18.9 °C	28.4 °C	12.4 °C	3	0
October	22.7 °C	15.0 °C	18.3 °C	27.2 °C	8.7 °C	2	0
November	22.2 °C	13.6 °C	17.3 °C	26.3 °C	6.1 °C	1	0
December	22.2 °C	12.7 °C	16.8 °C	26.5 °C	5.1 °C	2	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	7 mm	1	11 h/day	31 %	68 %	13 km/h
February	4 mm	1	12 h/day	27 %	64 %	14 km/h
March	10 mm	2	12 h/day	28 %	60 %	15 km/h
April	36 mm	7	13 h/day	38 %	61 %	13 km/h
May	153 mm	17	13 h/day	63 %	70 %	10 km/h
June	296 mm	23	13 h/day	82 %	81 %	9.2 km/h
July	129 mm	15	13 h/day	74 %	75 %	12 km/h
August	223 mm	18	13 h/day	75 %	76 %	10 km/h
September	338 mm	25	12 h/day	83 %	83 %	8.3 km/h
October	213 mm	19	12 h/day	72 %	82 %	8.6 km/h
November	42 mm	7	11 h/day	49 %	76 %	11 km/h
December	11 mm	2	11 h/day	34 %	72 %	12 km/h

How Comitán compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Comitán	27 °C	12 °C	1,463 mm	115
San Cristóbal de las Casas · Mexico	24 °C	10.0 °C	2,224 mm	18
Tuxtla · Mexico	34 °C	17 °C	1,653 mm	340
Tapachula · Mexico	32 °C	19 °C	3,719 mm	361
Quetzaltenango · Guatemala	20 °C	11 °C	2,999 mm	0

Where Comitán ranks

Ranking	Position	Value
Places with the best weather in North America in January	1stof 50	97/100
Places with the best weather in North America in February	2ndof 50	96/100
Places with the best weather in North America in December	3rdof 50	96/100
Places with the best weather in the world in January	5thof 50	97/100
Places with the best weather in North America in March	7thof 50	93/100
The driest places in North America in February	8thof 50	4.1 mm

Planning a trip? See the best time to visit Comitán.

QuestionsCommon questions about Comitán’s climate

When is the best time to visit Comitán?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, August sit closest to 20 °C on average, April is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Comitán get?

In April, the warmest month, daily highs average 27 °C. About 3 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average 12 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Comitán?

September, averaging 338 mm over 25 days with rain. The driest month is February with 4 mm. The year as a whole averages 1,463 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Comitán rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.