Arandas weather in January

In January, Arandas sees average daytime highs of 21°C and overnight lows near 8°C, with 18 mm of rain across 2.7 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 55% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Arandas's 4th-clearest and 5th-windiest month. For the whole year in context, see Arandas's year-round climate.

Daytime high
21°
12th warmest
Overnight low
1st coldest
Rainfall
18 mm
2.7 wet days
Daylight
10 h 54 min
7:33 AM – 6:25 PM
Cloud cover
40%
4th clearest
Wind
8 km/h
5th windiest
Solar energy
5.03 kWh/m²
Travel score
8.0
out of 10

Arandas is city of Jalisco State, Mexico; municipal seat of Arandas Municipality.

Density
3,478/km²
people per km²
Founded
1761

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 21°C through the month.

A typical January day in Arandas reaches about 21°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°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)
1218
2218
3218
4218
5218
6218
7218
8218
9218
10218
11218
12218
13218
14218
15218
16218
17218
18218
19218
20218
21218
22228
23228
24228
25228
26228
27228
28228
29228
30228
31229

Arandas weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 182.710.98.0
Feb24° / 121.911.38.6
Mar26° / 11°112.111.98.4
Apr28° / 13°92.112.57.4
May29° / 15°477.8136.0
Jun27° / 15°19118.513.25.0
Jul25° / 14°25823.913.14.7
Aug25° / 14°22222.112.75.0
Sep24° / 14°18719.612.15.3
Oct24° / 12°689.711.57.2
Nov23° / 10°173.2118.4
Dec22° / 71.510.88.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36436
46436
56535
66535
76733
86733
96733
106832
116931
126931
136931
146931
156931
166931
177030
187030
197030
207030
217030
227030
237030
247030
256931
266931
276931
286931
296931
306931
316931

Chance of precipitation in January

Any precipitation

Arandas gets around 18 mm of rain over 2.7 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 9% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
57
67
77
87
97
107
117
127
138
148
158
168
178
189
199
209
219
229
2310
2410
2511
2611
2711
2812
2912
3012
3112

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 9 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
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 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 18 minutes over January. Sunrise moves from 7:30 AM to 7:31 AM, and sunset from 6:15 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:306:15
210.87:306:16
310.87:306:17
410.87:316:17
510.87:316:18
610.87:316:18
710.87:316:19
810.87:326:20
910.87:326:20
1010.87:326:21
1110.87:326:22
1210.87:326:22
1310.87:326:23
1410.97:326:23
1510.97:336:24
1610.97:336:25
1710.97:336:25
1810.97:336:26
1910.97:336:27
2010.97:336:27
2110.97:336:28
2210.97:336:29
2310.97:326:29
2411.07:326:30
2511.07:326:31
2611.07:326:31
2711.07:326:32
2811.07:326:32
2911.07:326:33
3011.07:316:34
3111.17:316:34

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 4.83 kWh/m² to a high of 7.58 kWh/m² in April across the year — January's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
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
225.1Bright
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 Arandas

In seasonPeak

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

Arandas's monsoon runs June–September, 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 Arandas?

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

8.0
Sightseeing
5th-best month of the year
5.1
Beach & pool
9th-best month of the year

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

What to pack for Arandas in January

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

In January, Arandas sees daytime highs around 21°C and nights near 8°C. Worth packing: sun protection.

sun protection

UV index in Arandas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arandas peaks around May 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMay 19UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Arandas 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 Arandas is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1420 µg/m³Oct 1814 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar16Moderate
Apr17Moderate
May21Moderate
Jun15Moderate
Jul16Moderate
Aug15Moderate
Sep17Moderate
Oct14Moderate
Nov16Moderate
Dec20Moderate
Location & terrain

Where is Arandas?

Arandas sits at 20.7°N, 102.3°W, 2,053 m above sea level, in Mexico. The nearest listed city is Atotonilco el Alto, 24 km away.

Topography around Arandas

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

Within 3 km, the terrain around Arandas has only modest variations in elevation — a maximum elevation change of 121 m around an average of 2,072 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 696 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,539 m.

The land around Arandas is covered by cropland (29%), artificial surfaces (29%) and trees (25%) within 3 km, cropland (47%) and trees (25%) within 16 km, and cropland (41%) and shrubs (21%) within 80 km.

3 km
121 m
16 km
696 m
80 km
1,539 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Atotonilco el Alto 24 km · San Miguel el Alto 37 km · Yurécuaro 41 km · Tepatitlán de Morelos 45 km · La Barca 51 km · La Piedad de Cabadas 53 km · Jalostotitlán 53 km · Ocotlán 59 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 Arandas (20.7055°, -102.3451°, elevation 2,053 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).