Arandas weather in December

In December, Arandas sees average daytime highs of 22°C and overnight lows near 8°C, with 7 mm of rain across 1.5 wet days and about 10.8 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Arandas's 5th-clearest and 8th-windiest month. For the whole year in context, see Arandas's year-round climate.

Daytime high
22°
11th warmest
Overnight low
2nd coldest
Rainfall
7 mm
1.5 wet days
Daylight
10 h 42 min
7:23 AM – 6:08 PM
Cloud cover
41%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
4.83 kWh/m²
Travel score
8.2
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical December day in Arandas reaches about 22°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 19°C and 24°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1239
2239
3229
4229
5229
6229
7229
8229
9229
10229
11229
12229
13229
14228
15228
16228
17228
18228
19218
20218
21218
22218
23218
24218
25218
26218
27218
28218
29218
30218
31218

Arandas weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27624
37525
47525
57327
67228
77228
87129
97030
106931
116832
126832
136832
146832
156832
166733
176733
186733
196634
206634
216535
226535
236436
246436
256337
266337
276337
286337
296238
306238
316337

Chance of precipitation in December

Any precipitation

Arandas gets around 7 mm of rain over 1.5 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
24
34
44
54
64
74
84
94
104
114
124
135
145
155
165
175
185
195
205
216
226
236
246
256
266
276
286
296
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 8 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:14 AM to 7:30 AM, and sunset from 6:04 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:146:04
210.87:156:04
310.87:156:04
410.87:166:05
510.87:176:05
610.87:176:05
710.87:186:05
810.87:186:05
910.87:196:06
1010.87:206:06
1110.87:206:06
1210.87:216:07
1310.87:216:07
1410.87:226:07
1510.87:226:08
1610.77:236:08
1710.77:246:08
1810.77:246:09
1910.77:256:09
2010.77:256:10
2110.77:266:10
2210.77:266:11
2310.77:276:11
2410.77:276:12
2510.77:276:12
2610.77:286:13
2710.77:286:13
2810.77:296:14
2910.87:296:14
3010.87:296:15
3110.87:306:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.83 kWh/m² — the year's lowest.

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 — December's 4.83 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Arandas

In seasonPeak

None of Arandas's seasonal hazards are active in December. 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 December a good time to visit Arandas?

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

8.2
Sightseeing
4th-best month of the year
5.5
Beach & pool
7th-best month of the year

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

What to pack for Arandas in December

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

In December, Arandas sees daytime highs around 22°C and nights near 8°C. Worth packing: sun protection.

sun protection

UV index in Arandas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. 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 December

GoodModeratePoorUnhealthyVery unhealthy

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