Zacatlán weather in December

In December, Zacatlán sees average daytime highs of 17°C and overnight lows near 7°C, with 60 mm of rain across 12.4 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 17°C through the month. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Zacatlán's 5th-clearest and 6th-windiest month. For the whole year in context, see Zacatlán's year-round climate.

Daytime high: 17°; 11th warmest
Overnight low: 7°; 2nd coldest
Rainfall: 60 mm; 12.4 wet days
Daylight: 10 h 48 min; 7:04 AM – 5:52 PM
Cloud cover: 60%; 5th clearest
Wind: 5 km/h; 6th windiest
Solar energy: 3.95 kWh/m²
Travel score: 5.3; out of 10

Zacatlán is municipal seat of Zacatlán, State of Puebla, Mexico.

Founded: 1562

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

← November Zacatlán 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

Day-to-day highs hold fairly steady near 17°C through the month.

A typical December day in Zacatlán reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, December runs about 1°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)	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17
Avg low (°C)	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

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

Zacatlán 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	17° / 7°	64	12.5	10.9	5.1
Feb	19° / 8°	64	12	11.3	5.6
Mar	20° / 9°	97	16.5	11.9	5.5
Apr	22° / 11°	135	19.4	12.4	5.2
May	23° / 12°	139	20.8	12.9	5.2
Jun	22° / 13°	279	24.2	13.2	4.3
Jul	21° / 13°	269	29.5	13.1	3.6
Aug	21° / 13°	275	28.9	12.7	3.6
Sep	21° / 13°	319	26.7	12.1	3.8
Oct	20° / 11°	248	20.7	11.5	4.6
Nov	18° / 9°	118	15.3	11.1	5.1
Dec	17° / 7°	60	12.4	10.8	5.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 53%.

	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 (%)	50	50	49	50	50	50	51	50	50	49	49	49	48	49	48	47	47	47	46	46	46	45	46	45	45	45	44	44	45	46	46
Cloudier (%)	50	50	51	50	50	50	49	50	50	51	51	51	52	51	52	53	53	53	54	54	54	55	54	55	55	55	56	56	55	54	54

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	50	50
6	50	50
7	51	49
8	50	50
9	50	50
10	49	51
11	49	51
12	49	51
13	48	52
14	49	51
15	48	52
16	47	53
17	47	53
18	47	53
19	46	54
20	46	54
21	46	54
22	45	55
23	46	54
24	45	55
25	45	55
26	45	55
27	44	56
28	44	56
29	45	55
30	46	54
31	46	54

Chance of precipitation in December

Any precipitation

Zacatlán gets around 60 mm of rain over 12.4 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 40% and peaks near 43% 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 (%)	39	39	38	38	38	37	37	37	37	38	38	38	39	39	39	40	40	41	41	41	42	42	43	43	43	43	43	43	42	42	41

	Rain chance (%)
1	39
2	39
3	38
4	38
5	38
6	37
7	37
8	37
9	37
10	38
11	38
12	38
13	39
14	39
15	39
16	40
17	40
18	41
19	41
20	41
21	42
22	42
23	43
24	43
25	43
26	43
27	43
28	43
29	42
30	42
31	41

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 98% 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 (%)	96	96	96	97	97	97	97	97	97	98	98	98	98	98	98	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	4	4	4	3	3	3	3	3	3	2	2	2	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 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 shrink by about 6 minutes over December. Sunrise moves from 6:55 AM to 7:11 AM, and sunset from 5:48 PM to 5:59 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)	10.9	10.9	10.9	10.9	10.9	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8
Sunrise (AM)	6:55	6:56	6:56	6:57	6:58	6:58	6:59	6:59	7:00	7:01	7:01	7:02	7:02	7:03	7:03	7:04	7:05	7:05	7:06	7:06	7:07	7:07	7:07	7:08	7:08	7:09	7:09	7:10	7:10	7:10	7:11
Sunset (PM)	5:48	5:48	5:48	5:49	5:49	5:49	5:49	5:49	5:50	5:50	5:50	5:51	5:51	5:51	5:52	5:52	5:52	5:53	5:53	5:54	5:54	5:55	5:55	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.9	6:55	5:48
2	10.9	6:56	5:48
3	10.9	6:56	5:48
4	10.9	6:57	5:49
5	10.9	6:58	5:49
6	10.8	6:58	5:49
7	10.8	6:59	5:49
8	10.8	6:59	5:49
9	10.8	7:00	5:50
10	10.8	7:01	5:50
11	10.8	7:01	5:50
12	10.8	7:02	5:51
13	10.8	7:02	5:51
14	10.8	7:03	5:51
15	10.8	7:03	5:52
16	10.8	7:04	5:52
17	10.8	7:05	5:52
18	10.8	7:05	5:53
19	10.8	7:06	5:53
20	10.8	7:06	5:54
21	10.8	7:07	5:54
22	10.8	7:07	5:55
23	10.8	7:07	5:55
24	10.8	7:08	5:56
25	10.8	7:08	5:56
26	10.8	7:09	5:57
27	10.8	7:09	5:57
28	10.8	7:10	5:58
29	10.8	7:10	5:58
30	10.8	7:10	5:59
31	10.8	7:11	5:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.95 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.34 kWh/m² in May across the year — December's 3.95 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)	4.1	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.1	Bright
2	4.0	Bright
3	4.0	Bright
4	4.0	Bright
5	4.0	Bright
6	4.0	Bright
7	4.0	Bright
8	4.0	Bright
9	4.0	Moderate
10	4.0	Moderate
11	4.0	Moderate
12	4.0	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	3.9	Moderate
16	3.9	Moderate
17	3.9	Moderate
18	3.9	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.9	Moderate
22	3.9	Moderate
23	3.9	Moderate
24	3.9	Moderate
25	3.9	Moderate
26	3.9	Moderate
27	3.9	Moderate
28	3.9	Moderate
29	3.9	Moderate
30	3.9	Moderate
31	3.9	Moderate

Planning a trip in December

Hazard calendar for Zacatlán

In seasonPeak

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

Zacatlán's rainy season runs June–October, 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 Zacatlán?

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

5.3

Sightseeing

3rd-best month of the year

1.3

Beach & pool

11th-best month of the year

December is a reasonable time to visit Zacatlán for sightseeing.

What to pack for Zacatlán in December

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

In December, Zacatlán sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Zacatlán in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zacatlán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very 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)	8	11	13	14	10	14	12	14	11	10	8	8
Level	Very high	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	11	Extreme
Mar	13	Extreme
Apr	14	Extreme
May	10	Very high
Jun	14	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	11	Extreme
Oct	10	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Zacatlán 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 Zacatlán is worst in December — around 95 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (September, 49 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	88	89	85	90	85	59	56	52	49	52	70	95
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	88	Unhealthy
Feb	89	Unhealthy
Mar	85	Unhealthy
Apr	90	Unhealthy
May	85	Unhealthy
Jun	59	Unhealthy
Jul	56	Unhealthy
Aug	52	Poor
Sep	49	Poor
Oct	52	Poor
Nov	70	Unhealthy
Dec	95	Unhealthy

Location & terrain

Where is Zacatlán?

Zacatlán sits at 19.9°N, 98.0°W, 2,048 m above sea level, in Mexico. The nearest listed city is Chignahuapan, 13 km away.

Topography around Zacatlán

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

Within 3 km, the terrain around Zacatlán has large variations in elevation — a maximum elevation change of 769 m around an average of 2,049 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,999 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,363 m.

The land around Zacatlán is covered by trees (48%) and cropland (20%) within 3 km, trees (67%) within 16 km, and trees (50%) and cropland (23%) within 80 km.

3 km

769 m

trees 48%

16 km

1,999 m

trees 67%

80 km

4,363 m

trees 50%

treesshrubsgrasslandcroplandartificial surfaces

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

December weather nearby: Chignahuapan 13 km · Huauchinango 28 km · Xicotepec de Juárez 38 km · Cuautepec de Hinojosa 38 km · Santiago Tulantepec 43 km · Tulancingo 45 km · Zaragoza 46 km · Tetla 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

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 Zacatlán (19.9355°, -97.9613°, elevation 2,048 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).

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

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	50	50
6	50	50
7	51	49
8	50	50
9	50	50
10	49	51
11	49	51
12	49	51
13	48	52
14	49	51
15	48	52
16	47	53
17	47	53
18	47	53
19	46	54
20	46	54
21	46	54
22	45	55
23	46	54
24	45	55
25	45	55
26	45	55
27	44	56
28	44	56
29	45	55
30	46	54
31	46	54

	Rain chance (%)
1	39
2	39
3	38
4	38
5	38
6	37
7	37
8	37
9	37
10	38
11	38
12	38
13	39
14	39
15	39
16	40
17	40
18	41
19	41
20	41
21	42
22	42
23	43
24	43
25	43
26	43
27	43
28	43
29	42
30	42
31	41

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	50	50
6	50	50
7	51	49
8	50	50
9	50	50
10	49	51
11	49	51
12	49	51
13	48	52
14	49	51
15	48	52
16	47	53
17	47	53
18	47	53
19	46	54
20	46	54
21	46	54
22	45	55
23	46	54
24	45	55
25	45	55
26	45	55
27	44	56
28	44	56
29	45	55
30	46	54
31	46	54

	Rain chance (%)
1	39
2	39
3	38
4	38
5	38
6	37
7	37
8	37
9	37
10	38
11	38
12	38
13	39
14	39
15	39
16	40
17	40
18	41
19	41
20	41
21	42
22	42
23	43
24	43
25	43
26	43
27	43
28	43
29	42
30	42
31	41

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	50	50
6	50	50
7	51	49
8	50	50
9	50	50
10	49	51
11	49	51
12	49	51
13	48	52
14	49	51
15	48	52
16	47	53
17	47	53
18	47	53
19	46	54
20	46	54
21	46	54
22	45	55
23	46	54
24	45	55
25	45	55
26	45	55
27	44	56
28	44	56
29	45	55
30	46	54
31	46	54

	Rain chance (%)
1	39
2	39
3	38
4	38
5	38
6	37
7	37
8	37
9	37
10	38
11	38
12	38
13	39
14	39
15	39
16	40
17	40
18	41
19	41
20	41
21	42
22	42
23	43
24	43
25	43
26	43
27	43
28	43
29	42
30	42
31	41

	Dry (%)	Comfortable (%)
1	96	4
2	96	4
3	96	4
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0