Santa María Chimalhuacán in Winter
In winter (December, January and February), Santa María Chimalhuacán sees average daytime highs around 22°C and overnight lows near 7°C, with 25 mm of rain over about 5 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 22°C in early December to 24°C by late February. The sky is clear or mostly clear about 61% of the time across winter, and the air most often feels dry.
Winter is Santa María Chimalhuacán's best season of the year to visit on our travel score. For the whole year in context, see Santa María Chimalhuacán's year-round climate.
- Avg daytime high
- 22°C
- coldest season of the year
- Avg overnight low
- 7°C
- Rainfall
- 25 mm
- 5 wet days
- Avg wind
- 7 km/h
- Travel score
- 8.3
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Santa María Chimalhuacán in Winter
Over the season highs climb from about 22°C in early December to 24°C by late February.
A typical winter day in Santa María Chimalhuacán reaches about 22°C and drops to 7°C overnight. The warmest of the three months is February, the coolest January.
Santa María Chimalhuacán weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 7° | 10 | 2.2 | 11 | 8.1 |
| Feb | 23° / 8° | 8 | 1.8 | 11.3 | 8.6 |
| Mar | 25° / 10° | 9 | 2.9 | 11.9 | 8.5 |
| Apr | 26° / 12° | 18 | 4.1 | 12.4 | 7.8 |
| May | 27° / 13° | 30 | 7.2 | 12.9 | 7.2 |
| Jun | 25° / 14° | 118 | 16.1 | 13.1 | 5.7 |
| Jul | 24° / 13° | 141 | 22.1 | 13.1 | 5.0 |
| Aug | 23° / 13° | 159 | 21.7 | 12.7 | 4.9 |
| Sep | 23° / 13° | 151 | 19.4 | 12.1 | 5.1 |
| Oct | 22° / 11° | 72 | 10.4 | 11.6 | 6.6 |
| Nov | 22° / 9° | 17 | 3.6 | 11.1 | 8.0 |
| Dec | 21° / 7° | 6 | 1.3 | 10.9 | 8.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 61% of the time across winter.
Chance of precipitation in Winter
Santa María Chimalhuacán gets around 25 mm of rain over 5 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 54 min in early December to 11 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.4 kWh/m².
Hazard calendar for Santa María Chimalhuacán
None of Santa María Chimalhuacán's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Santa María Chimalhuacán's rainy season runs June–October, when most of the year's rain falls.
Is winter a good time to visit Santa María Chimalhuacán?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Santa María Chimalhuacán for general sightseeing.
What to pack for Santa María Chimalhuacán in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Santa María Chimalhuacán sees daytime highs around 22°C and nights near 7°C. Worth packing: light clothes, a warm layer and sun protection. About 5 days see rain.
UV index in Santa María Chimalhuacán in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa María Chimalhuacán peaks around June 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 14 | 14 | 11 | 15 | 12 | 14 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 15 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Santa María Chimalhuacán in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Santa María Chimalhuacán is worst in December — around 179 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 149 | 141 | 126 | 113 | 134 | 126 | 135 | 127 | 136 | 137 | 174 | 179 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 149 | Unhealthy |
| Feb | 141 | Unhealthy |
| Mar | 126 | Unhealthy |
| Apr | 113 | Unhealthy |
| May | 134 | Unhealthy |
| Jun | 126 | Unhealthy |
| Jul | 135 | Unhealthy |
| Aug | 127 | Unhealthy |
| Sep | 136 | Unhealthy |
| Oct | 137 | Unhealthy |
| Nov | 174 | Very unhealthy |
| Dec | 179 | Very unhealthy |
Where is Santa María Chimalhuacán?
Santa María Chimalhuacán sits at 19.4°N, 99.0°W, 2,249 m above sea level, in Mexico. The nearest listed city is Chicoloapan, 5.0 km away.
Topography around Santa María Chimalhuacán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa María Chimalhuacán.
Within 3 km, the terrain around Santa María Chimalhuacán has significant variations in elevation — a maximum elevation change of 306 m around an average of 2,264 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 645 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,436 m.
The land around Santa María Chimalhuacán is covered by artificial surfaces (90%) within 3 km, artificial surfaces (51%) within 16 km, and trees (31%) and cropland (29%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santa María Chimalhuacán (19.4215°, -98.9504°, elevation 2,249 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.