Tamuín weather in January

In January, Tamuín sees average daytime highs of 25°C and overnight lows near 15°C, with 34 mm of rain across 6.8 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of January to 11 hours by month's end. Set against the rest of the year, January is Tamuín's 11th-clearest and 8th-windiest month. For the whole year in context, see Tamuín's year-round climate.

Daytime high
25°
12th warmest
Overnight low
15°
1st coldest
Rainfall
34 mm
6.8 wet days
Daylight
10 h 48 min
7:21 AM – 6:08 PM
Cloud cover
58%
11th clearest
Wind
6 km/h
8th windiest
Solar energy
3.46 kWh/m²
Travel score
7.4
out of 10

Tamuín is municipal seat of Tamuín, State of San Luis Potosí, Mexico.

Density
7/km²
people per km²
Founded
1741

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Tamuín reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302516
312516

How January really feels in Tamuín

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.

Tamuín weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 15°346.810.87.4
Feb27° / 17°265.411.27.0
Mar30° / 19°366.811.85.3
Apr33° / 22°467.212.53.6
May35° / 24°7411.7132.5
Jun35° / 25°15818.713.32.2
Jul34° / 24°1641913.22.6
Aug34° / 24°1361812.82.6
Sep32° / 24°19620.112.12.9
Oct30° / 21°11612.311.54.7
Nov27° / 18°478.210.96.7
Dec25° / 16°255.610.77.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44753
54852
64852
74852
84753
94753
104753
114852
124852
134852
144852
154753
164852
174852
184753
194753
204654
214654
224654
234654
244654
254753
264654
274654
284753
294555
304555
314654

Chance of precipitation in January

Any precipitation

Tamuín gets around 34 mm of rain over 6.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
420
520
620
721
821
921
1021
1121
1221
1321
1421
1521
1621
1721
1821
1921
2021
2122
2222
2322
2422
2522
2622
2723
2823
2923
3023
3123

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1302727150
2302627160
3302628160
4312628160
5312528160
6312528160
7322528160
8322428160
9322427160
10322427160
11322428160
12322428160
13322428150
14322429150
15322429150
16312529150
17312529150
18312529150
19312529150
20302529150
21302629150
22292629150
23292629150
24292629160
25282729160
26282729160
27282728160
28282728171
29282728171
30282727181
31272727191

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 42 min at the start of January to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 7:18 AM to 7:19 AM, and sunset from 5:59 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:185:59
210.77:185:59
310.77:196:00
410.77:196:00
510.77:196:01
610.77:196:02
710.77:206:02
810.77:206:03
910.77:206:04
1010.77:206:04
1110.77:206:05
1210.87:206:05
1310.87:206:06
1410.87:216:07
1510.87:216:07
1610.87:216:08
1710.87:216:09
1810.87:216:09
1910.87:216:10
2010.87:216:11
2110.87:216:11
2210.97:206:12
2310.97:206:13
2410.97:206:13
2510.97:206:14
2610.97:206:15
2710.97:206:15
2810.97:206:16
2911.07:196:17
3011.07:196:17
3111.07:196:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.46 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.92 kWh/m² in August across the year — January's 3.46 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in January

Hazard calendar for Tamuín

In seasonPeak

None of Tamuín's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Tamuín's monsoon runs June–October, when most of the year's rain falls.

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

Is January a good time to visit Tamuín?

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

7.4
Sightseeing
2nd-best month of the year
6.6
Beach & pool
5th-best month of the year

January is one of the better times to visit Tamuín for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tamuín in January

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

In January, Tamuín sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Tamuín 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 Tamuín peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeExtremeVery highHighJun 18UV 12Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr12Extreme
May9Very high
Jun12Extreme
Jul10Extreme
Aug12Extreme
Sep9Very high
Oct9Very high
Nov6High
Dec6High

Air quality in Tamuín 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 Tamuín is worst in May — around 31 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1530 µg/m³Oct 2118 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb22Moderate
Mar23Moderate
Apr27Moderate
May31Moderate
Jun25Moderate
Jul24Moderate
Aug20Moderate
Sep19Moderate
Oct18Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Tamuín?

Tamuín sits at 22.0°N, 98.8°W, 27 m above sea level, in Mexico. The nearest listed city is Ciudad Valles, 24 km away.

Topography around Tamuín

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tamuín.

Within 3 km, the terrain around Tamuín has only modest variations in elevation — a maximum elevation change of 20 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 533 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,890 m.

The land around Tamuín is covered by cropland (41%) and grassland (34%) within 3 km, grassland (48%) and trees (28%) within 16 km, and trees (42%) and grassland (35%) within 80 km.

3 km
20 m
16 km
533 m
80 km
2,890 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Ciudad Valles 24 km · Ébano 48 km · Pánuco 62 km · Tamazunchale 83 km · Ciudad Mante 84 km · Cárdenas 89 km · Tantoyuca 93 km · Altamira 97 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 Tamuín (22.0055°, -98.7797°, elevation 27 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).