San Salvador El Seco weather in January

In January, San Salvador El Seco sees average daytime highs of 19°C and overnight lows near 5°C, with 15 mm of rain across 3.1 wet days and about 11 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 60% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is San Salvador El Seco's 3rd-clearest and 3rd-windiest month. For the whole year in context, see San Salvador El Seco's year-round climate.

Daytime high
19°
12th warmest
Overnight low
1st coldest
Rainfall
15 mm
3.1 wet days
Daylight
11 hours
7:11 AM – 6:09 PM
Cloud cover
36%
3rd clearest
Wind
8 km/h
3rd windiest
Solar energy
5.03 kWh/m²
Travel score
7.6
out of 10

San Salvador El Seco is municipal seat of San Salvador el Seco, State of Puebla, Mexico.

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 19°C through the month.

A typical January day in San Salvador El Seco reaches about 19°C in the afternoon and slips back to 5°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1195
2195
3195
4195
5195
6195
7195
8195
9195
10195
11195
12195
13195
14195
15195
16195
17195
18195
19195
20195
21205
22205
23205
24205
25205
26206
27206
28206
29206
30206
31206

San Salvador El Seco 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
Jan19° / 153.1117.6
Feb21° / 153.111.48.0
Mar23° / 397.811.97.6
Apr24° / 721212.46.8
May23° / 11°11316.712.96.0
Jun23° / 11°15716.713.15.6
Jul22° / 10°10613.9136.0
Aug23° / 11°11814.812.65.9
Sep21° / 11°14216.412.15.3
Oct21° / 10°7610.611.66.4
Nov21° / 285.311.17.3
Dec20° / 112.410.97.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37327
47327
57327
67426
77327
87327
97426
107426
117426
127426
137525
147525
157525
167525
177426
187426
197426
207426
217426
227426
237426
247327
257327
267327
277327
287327
297327
307228
317228

Chance of precipitation in January

Any precipitation

San Salvador El Seco gets around 15 mm of rain over 3.1 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 10% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
59
69
79
89
99
109
119
129
139
149
159
169
1710
1810
1910
2010
2110
2211
2311
2411
2512
2612
2713
2813
2913
3013
3114

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 7:08 AM to 7:10 AM, and sunset from 6:00 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:086:00
210.97:086:00
310.97:086:01
410.97:096:01
510.97:096:02
610.97:096:03
710.97:096:03
810.97:106:04
910.97:106:04
1010.97:106:05
1110.97:106:06
1210.97:106:06
1310.97:116:07
1410.97:116:08
1511.07:116:08
1611.07:116:09
1711.07:116:09
1811.07:116:10
1911.07:116:11
2011.07:116:11
2111.07:116:12
2211.07:116:12
2311.07:116:13
2411.07:116:14
2511.17:116:14
2611.17:116:15
2711.17:116:16
2811.17:106:16
2911.17:106:17
3011.17:106:17
3111.17:106:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.92 kWh/m² to a high of 6.91 kWh/m² in April across the year — January's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for San Salvador El Seco

In seasonPeak

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

San Salvador El Seco's rainy season runs April–October, when most of the year's rain falls.

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

Is January a good time to visit San Salvador El Seco?

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

7.6
Sightseeing
3rd-best month of the year
3.5
Beach & pool
11th-best month of the year

January is one of the better times to visit San Salvador El Seco for general sightseeing.

What to pack for San Salvador El Seco in January

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

In January, San Salvador El Seco sees daytime highs around 19°C and nights near 5°C. Worth packing: a warm layer and sun protection. About 3 days see rain.

a warm layersun protection

UV index in San Salvador El Seco in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (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 Salvador El Seco peaks around April 11 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 15Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in San Salvador El Seco 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 Salvador El Seco is worst in May — around 69 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (October, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorUnhealthyMay 1268 µg/m³Oct 1138 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb54Poor
Mar56Unhealthy
Apr63Unhealthy
May69Unhealthy
Jun48Poor
Jul41Poor
Aug38Poor
Sep39Poor
Oct38Poor
Nov49Poor
Dec59Unhealthy
Location & terrain

Where is San Salvador El Seco?

San Salvador El Seco sits at 19.1°N, 97.6°W, 2,437 m above sea level, in Mexico. The nearest listed city is Acatzingo, 22 km away.

Topography around San Salvador El Seco

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Salvador El Seco.

Within 3 km, the terrain around San Salvador El Seco has only modest variations in elevation — a maximum elevation change of 244 m around an average of 2,387 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 750 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,927 m.

The land around San Salvador El Seco is covered by cropland (48%) and shrubs (22%) within 3 km, cropland (42%) and grassland (24%) within 16 km, and trees (32%), cropland (24%) and shrubs (20%) within 80 km.

3 km
244 m
16 km
750 m
80 km
4,927 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Acatzingo 22 km · Palmarito Tochapan 26 km · Ciudad Serdán 26 km · Los Reyes de Juárez 27 km · Tecamachalco 29 km · Acajete 33 km · Tepeaca 33 km · Tepatlaxco de Hidalgo 35 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 Salvador El Seco (19.1333°, -97.6417°, elevation 2,437 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).