Zacatecas weather in December

In December, Zacatecas sees average daytime highs of 20°C and overnight lows near 6°C, with 8 mm of rain across 1.6 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 19°C by the end. 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 42 min at the start of December to 10 h 36 min by month's end. Set against the rest of the year, December is Zacatecas's 6th-clearest and 5th-windiest month. For the whole year in context, see Zacatecas's year-round climate.

Daytime high: 20°; 11th warmest
Overnight low: 6°; 2nd coldest
Rainfall: 8 mm; 1.6 wet days
Daylight: 10 h 36 min; 7:28 AM – 6:05 PM
Cloud cover: 42%; 6th clearest
Wind: 12 km/h; 5th windiest
Solar energy: 4.63 kWh/m²
Travel score: 7.7; out of 10

Zacatecas is city in Zacatecas Municipality, Zacatecas State, Mexico.

Density: 362/km²; people per km²
Founded: 1548

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

← November Zacatecas year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 19°C by the end.

A typical December day in Zacatecas reaches about 20°C in the afternoon and slips back to 6°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, December runs about 2°C cooler than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	21	21	21	20	20	20	20	20	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5

	Avg high (°C)	Avg low (°C)
1	21	6
2	21	6
3	21	6
4	20	6
5	20	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	6
12	20	6
13	20	6
14	20	6
15	20	6
16	20	6
17	19	6
18	19	6
19	19	6
20	19	6
21	19	6
22	19	6
23	19	5
24	19	5
25	19	5
26	19	5
27	19	5
28	19	5
29	19	5
30	19	5
31	19	5

Zacatecas weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 5°	16	2.6	10.8	7.5
Feb	21° / 7°	13	1.9	11.2	8.1
Mar	24° / 8°	8	1.9	11.8	8.6
Apr	26° / 11°	10	2.7	12.5	8.0
May	28° / 13°	31	5.7	13.1	7.3
Jun	27° / 14°	90	10.7	13.4	6.6
Jul	25° / 13°	124	12.6	13.3	6.6
Aug	25° / 13°	99	11.5	12.8	6.7
Sep	23° / 13°	107	12.6	12.1	6.4
Oct	23° / 10°	37	5.9	11.5	7.7
Nov	21° / 8°	15	2.5	10.9	8.1
Dec	20° / 6°	8	1.6	10.6	7.7

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 12% of December, with mostly cloudy or overcast conditions the remaining 35%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	73	72	72	70	70	69	68	67	67	66	65	65	65	65	65	65	65	64	64	64	63	63	63	62	62	62	62	62	62	63	63
Cloudier (%)	27	28	28	30	30	31	32	33	33	34	35	35	35	35	35	35	35	36	36	36	37	37	37	38	38	38	38	38	38	37	37

	Clearer (%)	Cloudier (%)
1	73	27
2	72	28
3	72	28
4	70	30
5	70	30
6	69	31
7	68	32
8	67	33
9	67	33
10	66	34
11	65	35
12	65	35
13	65	35
14	65	35
15	65	35
16	65	35
17	65	35
18	64	36
19	64	36
20	64	36
21	63	37
22	63	37
23	63	37
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

Chance of precipitation in December

Any precipitation

Zacatecas gets around 8 mm of rain over 1.6 wet days in December. 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 7% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	7	7	7

	Rain chance (%)
1	5
2	5
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	6
25	6
26	6
27	6
28	6
29	7
30	7
31	7

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	12	calm
14	12	calm
15	12	calm
16	12	calm
17	12	calm
18	12	calm
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	light breeze
31	12	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 42 min at the start of December to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:19 AM to 7:35 AM, and sunset from 6:01 PM to 6:12 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6
Sunrise (AM)	7:19	7:20	7:20	7:21	7:22	7:22	7:23	7:23	7:24	7:25	7:25	7:26	7:26	7:27	7:28	7:28	7:29	7:29	7:30	7:30	7:31	7:31	7:32	7:32	7:33	7:33	7:33	7:34	7:34	7:35	7:35
Sunset (PM)	6:01	6:01	6:01	6:02	6:02	6:02	6:02	6:02	6:03	6:03	6:03	6:03	6:04	6:04	6:04	6:05	6:05	6:06	6:06	6:06	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:11	6:12	6:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.7	7:19	6:01
2	10.7	7:20	6:01
3	10.7	7:20	6:01
4	10.7	7:21	6:02
5	10.7	7:22	6:02
6	10.7	7:22	6:02
7	10.7	7:23	6:02
8	10.6	7:23	6:02
9	10.6	7:24	6:03
10	10.6	7:25	6:03
11	10.6	7:25	6:03
12	10.6	7:26	6:03
13	10.6	7:26	6:04
14	10.6	7:27	6:04
15	10.6	7:28	6:04
16	10.6	7:28	6:05
17	10.6	7:29	6:05
18	10.6	7:29	6:06
19	10.6	7:30	6:06
20	10.6	7:30	6:06
21	10.6	7:31	6:07
22	10.6	7:31	6:07
23	10.6	7:32	6:08
24	10.6	7:32	6:08
25	10.6	7:33	6:09
26	10.6	7:33	6:09
27	10.6	7:33	6:10
28	10.6	7:34	6:10
29	10.6	7:34	6:11
30	10.6	7:35	6:12
31	10.6	7:35	6:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.63 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 7.74 kWh/m² in May across the year — December's 4.63 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.8	4.8	4.8	4.7	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.7	4.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.8	Bright
4	4.7	Bright
5	4.7	Bright
6	4.7	Bright
7	4.7	Bright
8	4.7	Bright
9	4.7	Bright
10	4.6	Bright
11	4.6	Bright
12	4.6	Bright
13	4.6	Bright
14	4.6	Bright
15	4.6	Bright
16	4.6	Bright
17	4.6	Bright
18	4.6	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.6	Bright
23	4.6	Bright
24	4.6	Bright
25	4.6	Bright
26	4.6	Bright
27	4.6	Bright
28	4.6	Bright
29	4.6	Bright
30	4.7	Bright
31	4.7	Bright

Planning a trip in December

Hazard calendar for Zacatecas

In seasonPeak

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

Zacatecas's rainy season runs June–September, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Zacatecas?

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

7.7

Sightseeing

5th-best month of the year

3.8

Beach & pool

11th-best month of the year

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

What to pack for Zacatecas in December

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

In December, Zacatecas sees daytime highs around 20°C and nights near 6°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Zacatecas 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 Zacatecas peaks around May 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	7	10	12	14	14	14	13	14	13	10	7	7
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	High

	UV index (midday)	Level
Jan	7	Very high
Feb	10	Very high
Mar	12	Extreme
Apr	14	Extreme
May	14	Extreme
Jun	14	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	10	Extreme
Nov	7	Very high
Dec	7	High

Location & terrain

Where is Zacatecas?

Zacatecas sits at 22.8°N, 102.6°W, 2,480 m above sea level, in Mexico. The nearest listed city is Guadalupe, 7.0 km away.

Topography around Zacatecas

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

Within 3 km, the terrain around Zacatecas has significant variations in elevation — a maximum elevation change of 333 m around an average of 2,461 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 578 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,339 m.

The land around Zacatecas is covered by artificial surfaces (49%) and shrubs (43%) within 3 km, shrubs (40%) and cropland (40%) within 16 km, and shrubs (51%) and cropland (33%) within 80 km.

3 km

333 m

artificial surfaces 49%

16 km

578 m

shrubs 40%

80 km

1,339 m

shrubs 51%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← November Zacatecas year-round climate January →Best places to visit in December

December weather nearby: Guadalupe 7.0 km · Víctor Rosales 24 km · Jerez de García Salinas 44 km · Fresnillo 54 km · Rincón de Romos 66 km · Pabellón de Arteaga 76 km · Loreto 82 km · San Francisco de los Romo 84 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

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 Zacatecas (22.7684°, -102.5814°, elevation 2,480 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	21	6
2	21	6
3	21	6
4	20	6
5	20	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	6
12	20	6
13	20	6
14	20	6
15	20	6
16	20	6
17	19	6
18	19	6
19	19	6
20	19	6
21	19	6
22	19	6
23	19	5
24	19	5
25	19	5
26	19	5
27	19	5
28	19	5
29	19	5
30	19	5
31	19	5

	Clearer (%)	Cloudier (%)
1	73	27
2	72	28
3	72	28
4	70	30
5	70	30
6	69	31
7	68	32
8	67	33
9	67	33
10	66	34
11	65	35
12	65	35
13	65	35
14	65	35
15	65	35
16	65	35
17	65	35
18	64	36
19	64	36
20	64	36
21	63	37
22	63	37
23	63	37
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	5
2	5
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	6
25	6
26	6
27	6
28	6
29	7
30	7
31	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	21	6
2	21	6
3	21	6
4	20	6
5	20	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	6
12	20	6
13	20	6
14	20	6
15	20	6
16	20	6
17	19	6
18	19	6
19	19	6
20	19	6
21	19	6
22	19	6
23	19	5
24	19	5
25	19	5
26	19	5
27	19	5
28	19	5
29	19	5
30	19	5
31	19	5

	Clearer (%)	Cloudier (%)
1	73	27
2	72	28
3	72	28
4	70	30
5	70	30
6	69	31
7	68	32
8	67	33
9	67	33
10	66	34
11	65	35
12	65	35
13	65	35
14	65	35
15	65	35
16	65	35
17	65	35
18	64	36
19	64	36
20	64	36
21	63	37
22	63	37
23	63	37
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	5
2	5
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	6
25	6
26	6
27	6
28	6
29	7
30	7
31	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	21	6
2	21	6
3	21	6
4	20	6
5	20	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	6
12	20	6
13	20	6
14	20	6
15	20	6
16	20	6
17	19	6
18	19	6
19	19	6
20	19	6
21	19	6
22	19	6
23	19	5
24	19	5
25	19	5
26	19	5
27	19	5
28	19	5
29	19	5
30	19	5
31	19	5

	Clearer (%)	Cloudier (%)
1	73	27
2	72	28
3	72	28
4	70	30
5	70	30
6	69	31
7	68	32
8	67	33
9	67	33
10	66	34
11	65	35
12	65	35
13	65	35
14	65	35
15	65	35
16	65	35
17	65	35
18	64	36
19	64	36
20	64	36
21	63	37
22	63	37
23	63	37
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	5
2	5
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	6
25	6
26	6
27	6
28	6
29	7
30	7
31	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100