San Buenaventura in Winter
In winter (December, January and February), San Buenaventura sees average daytime highs around 21°C and overnight lows near 9°C, with 42 mm of rain over about 9 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 25°C by late February. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels dry.
Winter is San Buenaventura's best season of the year to visit on our travel score. For the whole year in context, see San Buenaventura's year-round climate.
- Avg daytime high
- 21°C
- coldest season of the year
- Avg overnight low
- 9°C
- Rainfall
- 42 mm
- 9 wet days
- Avg wind
- 6 km/h
- Travel score
- 7.8
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in San Buenaventura in Winter
Over the season highs climb from about 22°C in early December to 25°C by late February.
A typical winter day in San Buenaventura reaches about 21°C and drops to 9°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in San Buenaventura
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.
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 Buenaventura 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 | 20° / 8° | 15 | 3.2 | 10.5 | 7.6 |
| Feb | 23° / 10° | 11 | 2.7 | 11 | 8.2 |
| Mar | 27° / 14° | 19 | 3.4 | 11.8 | 7.6 |
| Apr | 31° / 18° | 19 | 4.2 | 12.6 | 5.2 |
| May | 34° / 22° | 34 | 8 | 13.3 | 3.4 |
| Jun | 35° / 24° | 39 | 7.5 | 13.7 | 2.6 |
| Jul | 35° / 24° | 59 | 7.8 | 13.5 | 2.8 |
| Aug | 35° / 24° | 44 | 7.2 | 13 | 3.0 |
| Sep | 31° / 22° | 95 | 10.6 | 12.2 | 4.6 |
| Oct | 28° / 17° | 32 | 5.5 | 11.4 | 6.9 |
| Nov | 24° / 12° | 17 | 3.5 | 10.7 | 8.3 |
| Dec | 20° / 8° | 17 | 3.3 | 10.3 | 7.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
San Buenaventura gets around 42 mm of rain over 9 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 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 24 min in early December to 11 h 24 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 4.1 kWh/m².
Is winter a good time to visit San Buenaventura?
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 San Buenaventura for general sightseeing.
What to pack for San Buenaventura in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, San Buenaventura sees daytime highs around 21°C and nights near 9°C. Worth packing: light clothes, a warm layer and sun protection. About 9 days see rain.
UV index in San Buenaventura in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Buenaventura peaks around July 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 5 (moderate).
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) | 6 | 7 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 4 |
| Level | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 4 | Moderate |
Air quality in San Buenaventura 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 San Buenaventura is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 9 | 9 | 11 | 15 | 15 | 18 | 15 | 14 | 11 | 10 | 9 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 11 | Good |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 18 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is San Buenaventura?
San Buenaventura sits at 27.1°N, 101.5°W, 499 m above sea level, in Mexico. The nearest listed city is Frontera, 18 km away.
Topography around San Buenaventura
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Buenaventura.
Within 3 km, the terrain around San Buenaventura has only modest variations in elevation — a maximum elevation change of 36 m around an average of 498 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 631 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,454 m.
The land around San Buenaventura is covered by shrubs (49%) and artificial surfaces (23%) within 3 km, shrubs (78%) within 16 km, and shrubs (90%) 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 San Buenaventura (27.0619°, -101.5489°, elevation 499 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.