San Buenaventura weather in January

In January, San Buenaventura sees average daytime highs of 20°C and overnight lows near 8°C, with 15 mm of precipitation across 3.2 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of January to 10 h 42 min by month's end. Set against the rest of the year, January is San Buenaventura's 10th-clearest and 9th-windiest month. For the whole year in context, see San Buenaventura's year-round climate.

Daytime high
20°
12th warmest
Overnight low
1st coldest
Precipitation
15 mm
3.2 wet days
Daylight
10 h 30 min
7:41 AM – 6:10 PM
Cloud cover
43%
10th clearest
Wind
6 km/h
9th windiest
Solar energy
3.91 kWh/m²
Travel score
7.6
out of 10

San Buenaventura is municipal seat of San Buenaventura, State of Coahuila, Mexico.

Founded
1748

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical January day in San Buenaventura reaches about 20°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 28°C. Set against its neighbours, January runs on par with December and about 3°C cooler than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1197
2197
3197
4197
5197
6207
7207
8207
9207
10207
11207
12208
13208
14208
15208
16208
17208
18208
19208
20208
21218
22218
23218
24218
25218
26218
27218
28218
29219
30219
31219

How January really feels in San Buenaventura

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 153.210.57.6
Feb23° / 10°112.7118.2
Mar27° / 14°193.411.87.6
Apr31° / 18°194.212.65.2
May34° / 22°34813.33.4
Jun35° / 24°397.513.72.6
Jul35° / 24°597.813.52.8
Aug35° / 24°447.2133.0
Sep31° / 22°9510.612.24.6
Oct28° / 17°325.511.46.9
Nov24° / 12°173.510.78.3
Dec20° / 173.310.37.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46139
56238
66238
76238
86238
96238
106238
116337
126436
136436
146436
156535
166535
176535
186535
196535
206535
216634
226535
236535
246535
256535
266535
276535
286535
296535
306535
316535

Chance of precipitation in January

Any precipitation

San Buenaventura gets around 15 mm of rain and snow over 3.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 11% and peaks near 13% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
512
612
712
812
912
1012
1112
1211
1311
1411
1511
1611
1710
1810
1910
2010
2110
2210
2310
2410
2510
2610
2710
2810
2910
3010
3110

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19631
29721
39721
49820
59820
69820
79820
89820
99820
109820
119820
129820
139820
149820
159820
169820
179820
189820
199820
209820
219820
229820
239820
249820
259820
269820
279820
289820
299820
309820
319820

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 18 min at the start of January to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:40 AM to 7:38 AM, and sunset from 5:59 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:405:59
210.37:406:00
310.37:406:00
410.37:406:01
510.37:416:02
610.47:416:02
710.47:416:03
810.47:416:04
910.47:416:04
1010.47:416:05
1110.47:416:06
1210.47:416:07
1310.47:426:07
1410.47:426:08
1510.57:416:09
1610.57:416:10
1710.57:416:10
1810.57:416:11
1910.57:416:12
2010.57:416:13
2110.57:416:13
2210.67:416:14
2310.67:406:15
2410.67:406:16
2510.67:406:16
2610.67:406:17
2710.67:396:18
2810.77:396:19
2910.77:396:20
3010.77:386:20
3110.77:386:21

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.91 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 7.05 kWh/m² in June across the year — January's 3.91 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
184.0Moderate
194.0Moderate
204.0Bright
214.0Bright
224.0Bright
234.1Bright
244.1Bright
254.1Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.3Bright
314.3Bright
Planning a trip in January

Is January a good time to visit San Buenaventura?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
4th-best month of the year
4.1
Beach & pool
12th-best month of the year

January is one of the better times to visit San Buenaventura for general sightseeing.

What to pack for San Buenaventura in January

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

In January, San Buenaventura sees daytime highs around 20°C and nights near 8°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in San Buenaventura in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 14UV 12Dec 17UV 5
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec4Moderate

Air quality in San Buenaventura in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1617 µg/m³Jan 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr11Good
May15Moderate
Jun15Moderate
Jul18Moderate
Aug15Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

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.

3 km
36 m
16 km
631 m
80 km
2,454 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Frontera 18 km · Monclova 21 km · Castaños 32 km · Ciudad Melchor Múzquiz 91 km · Palaú 93 km · Sabinas 98 km · Nueva Rosita 103 km · Anáhuac 141 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 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).