Ajalpan weather in January

In January, Ajalpan sees average daytime highs of 20°C and overnight lows near 8°C, with 14 mm of rain across 4.2 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 20°C through the month. The sky is clear or mostly clear about 47% 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 12 min by month's end. Set against the rest of the year, January is Ajalpan's 3rd-clearest and 5th-windiest month. For the whole year in context, see Ajalpan's year-round climate.

Daytime high
20°
12th warmest
Overnight low
1st coldest
Rainfall
14 mm
4.2 wet days
Daylight
11 hours
7:08 AM – 6:09 PM
Cloud cover
46%
3rd clearest
Wind
8 km/h
5th windiest
Solar energy
4.68 kWh/m²
Travel score
7.3
out of 10

Ajalpan is municipal seat of Ajalpan, 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 20°C through the month.

A typical January day in Ajalpan 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 15°C and 24°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1208
2208
3208
4208
5208
6208
7208
8208
9208
10208
11208
12208
13208
14208
15208
16208
17208
18208
19208
20208
21208
22208
23208
24208
25208
26208
27218
28218
29218
30219
31219

Ajalpan 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
Jan20° / 144.2117.3
Feb22° / 134.211.47.8
Mar24° / 11°226.311.97.9
Apr25° / 13°4510.512.46.9
May25° / 14°9217.412.95.8
Jun24° / 14°15719.913.15.2
Jul23° / 13°10615.1135.9
Aug24° / 13°11316.512.65.8
Sep23° / 14°16119.612.15.1
Oct22° / 12°9814.311.65.9
Nov21° / 10°358.311.16.8
Dec20° / 134.110.97.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25941
36040
46040
56139
66040
76139
86139
96238
106139
116139
126238
136238
146238
156238
166238
176238
186238
196337
206337
216337
226337
236337
246337
256337
266337
276238
286238
296238
306238
316238

Chance of precipitation in January

Any precipitation

Ajalpan gets around 14 mm of rain over 4.2 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 14% and peaks near 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
913
1013
1112
1212
1312
1412
1512
1613
1713
1813
1913
2013
2114
2214
2314
2415
2515
2616
2716
2817
2918
3018
3119

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 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 7:05 AM to 7:07 AM, and sunset from 6:00 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:056:00
210.97:056:00
310.97:056:01
410.97:066:01
510.97:066:02
610.97:066:03
710.97:076:03
810.97:076:04
911.07:076:04
1011.07:076:05
1111.07:076:05
1211.07:086:06
1311.07:086:07
1411.07:086:07
1511.07:086:08
1611.07:086:09
1711.07:086:09
1811.07:086:10
1911.07:086:10
2011.07:086:11
2111.17:086:12
2211.17:086:12
2311.17:086:13
2411.17:086:13
2511.17:086:14
2611.17:086:15
2711.17:086:15
2811.17:086:16
2911.17:086:16
3011.27:076:17
3111.27:076:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.68 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.88 kWh/m² in April across the year — January's 4.68 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in January

Hazard calendar for Ajalpan

In seasonPeak

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

Ajalpan's rainy season runs May–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 Ajalpan?

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

7.3
Sightseeing
4th-best month of the year
3.9
Beach & pool
12th-best month of the year

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

What to pack for Ajalpan in January

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

In January, Ajalpan sees daytime highs around 20°C and nights near 8°C. Worth packing: sun protection. About 4 days see rain.

sun protection

UV index in Ajalpan 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 Ajalpan peaks around April 12 at about 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 12UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr15Extreme
May9Very high
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ajalpan 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 Ajalpan is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 1737 µg/m³Jan 2220 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar23Moderate
Apr29Moderate
May38Poor
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep25Moderate
Oct22Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Ajalpan?

Ajalpan sits at 18.4°N, 97.3°W, 1,223 m above sea level, in Mexico. The nearest listed city is Altepexi, 4.0 km away.

Topography around Ajalpan

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

Within 3 km, the terrain around Ajalpan has significant variations in elevation — a maximum elevation change of 271 m around an average of 1,226 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,948 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Ajalpan is covered by shrubs (42%), cropland (23%) and artificial surfaces (20%) within 3 km, shrubs (61%) within 16 km, and shrubs (42%) and trees (37%) within 80 km.

3 km
271 m
16 km
1,948 m
80 km
5,498 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Altepexi 4.0 km · Zinacatepec 5.0 km · Tehuacán 17 km · Ciudad Mendoza 48 km · Nogales 51 km · Río Blanco 51 km · Orizaba 55 km · Ixtaczoquitlán 57 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 Ajalpan (18.3791°, -97.2587°, elevation 1,223 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).