San Sebastián el Grande in Winter

In winter (December, January and February), San Sebastián el Grande sees average daytime highs around 25°C and overnight lows near 9°C, with 41 mm of rain over about 6 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.

Over the season highs climb from about 26°C in early December to 28°C by late February. The sky is clear or mostly clear about 56% of the time across winter, and the air most often feels dry.

Winter is San Sebastián el Grande's best season of the year to visit on our travel score. For the whole year in context, see San Sebastián el Grande's year-round climate.

Avg daytime high
25°C
coldest season of the year
Avg overnight low
9°C
Rainfall
41 mm
6 wet days
Avg wind
6 km/h
Travel score
8.4
best season of the year
Months
Dec · Jan · Feb

Temperature in San Sebastián el Grande in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 26°C in early December to 28°C by late February.

A typical winter day in San Sebastián el Grande reaches about 25°C and drops to 9°C overnight. The warmest of the three months is February, the coolest January.

10°20°30°DecJanFeb

How winter really feels in San Sebastián el Grande

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Sebastián el Grande 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 192.210.98.5
Feb27° / 10°14211.38.2
Mar29° / 11°71.211.97.0
Apr31° / 13°51.312.55.5
May32° / 16°164.4134.5
Jun30° / 18°11317.513.24.0
Jul28° / 17°18025.213.14.2
Aug27° / 17°15724.112.74.3
Sep27° / 17°13920.212.14.9
Oct27° / 15°508.311.56.8
Nov26° / 12°152.4118.2
Dec25° / 81.710.88.5

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

San Sebastián el Grande gets around 41 mm of rain over 6 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 6 km/h across winter.

0246810DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 10 h 48 min in early December to 11 h 30 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 5.2 kWh/m².

0246DecJanFeb
Planning a trip in winter

Hazard calendar for San Sebastián el Grande

In seasonPeak

None of San Sebastián el Grande's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

San Sebastián el Grande's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit San Sebastián el Grande?

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.

8.4
Sightseeing
1st-best month of the year
7.7
Beach & pool
2nd-best month of the year

winter is one of the better times to visit San Sebastián el Grande for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Sebastián el Grande in Winter

From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In winter, San Sebastián el Grande sees daytime highs around 25°C and nights near 9°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in San Sebastián el Grande in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Sebastián el Grande peaks around May 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMay 10UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Sebastián el Grande in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in San Sebastián el Grande is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1342 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr33Moderate
May44Poor
Jun17Moderate
Jul14Moderate
Aug15Moderate
Sep17Moderate
Oct17Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is San Sebastián el Grande?

San Sebastián el Grande sits at 20.5°N, 103.4°W, 1,589 m above sea level, in Mexico. The nearest listed city is Santa Anita, 2.0 km away.

Topography around San Sebastián el Grande

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Sebastián el Grande.

Within 3 km, the terrain around San Sebastián el Grande has significant variations in elevation — a maximum elevation change of 427 m around an average of 1,588 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 790 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,409 m.

The land around San Sebastián el Grande is covered by artificial surfaces (30%), cropland (27%) and grassland (25%) within 3 km, artificial surfaces (32%), trees (23%) and cropland (20%) within 16 km, and trees (35%) and cropland (21%) within 80 km.

3 km
427 m
16 km
790 m
80 km
2,409 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Santa Anita 2.0 km · San Agustín 4.0 km · Lomas del Sur 5.0 km · Hacienda Santa Fe 5.0 km · Tlajomulco de Zúñiga 7.0 km · Las Pintas de Arriba 12 km · Las Pintitas 14 km · San José del Quince 15 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
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 San Sebastián el Grande (20.5328°, -103.4294°, elevation 1,589 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.