Compostela weather in December

In December, Compostela sees average daytime highs of 26°C and overnight lows near 15°C, with 21 mm of rain across 2.1 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Compostela's 7th-clearest and 6th-windiest month. For the whole year in context, see Compostela's year-round climate.

Daytime high
26°
11th warmest
Overnight low
15°
4th coldest
Rainfall
21 mm
2.1 wet days
Daylight
10 h 42 min
6:34 AM – 5:17 PM
Cloud cover
44%
7th clearest
Wind
6 km/h
6th windiest
Solar energy
4.48 kWh/m²
Travel score
8.3
out of 10

Compostela is municipal seat of Compostela, State of Nayarit, Mexico.

Founded
1540

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 26°C through the month.

A typical December day in Compostela reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112615
122615
132615
142615
152615
162615
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

Compostela weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°222.410.98.3
Feb26° / 15°191.811.38.4
Mar27° / 15°81.311.88.4
Apr28° / 16°30.812.57.7
May29° / 18°153.6136.5
Jun29° / 21°19818.813.34.4
Jul28° / 22°34429.613.23.1
Aug28° / 22°41730.412.73.0
Sep28° / 22°36129.112.13.1
Oct28° / 21°13318.811.54.7
Nov27° / 18°224.5117.6
Dec26° / 15°212.110.78.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27228
37129
47030
57030
66931
76931
86832
96832
106832
116634
126634
136634
146634
156733
166733
176634
186634
196634
206634
216535
226535
236535
246436
256436
266436
276436
286436
296436
306436
316436

Chance of precipitation in December

Any precipitation

Compostela gets around 21 mm of rain over 2.1 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
116
126
135
145
155
165
175
186
196
206
216
227
237
247
258
268
278
288
299
309
319

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14175623
24185721
34185820
44186018
54186117
64196116
74196314
84206313
94216312
104226311
115236210
12524629
13526618
14628597
15629596
16631585
17633565
18735544
19737524
20738514
21740503
22741483
23742483
24742474
25842474
26842464
27842464
28842464
29943453
30943453
31943443

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 42 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 6:25 AM to 6:41 AM, and sunset from 5:13 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:255:13
210.86:265:13
310.86:275:14
410.86:275:14
510.86:285:14
610.86:285:14
710.86:295:14
810.76:305:15
910.76:305:15
1010.76:315:15
1110.76:325:15
1210.76:325:16
1310.76:335:16
1410.76:335:16
1510.76:345:17
1610.76:345:17
1710.76:355:18
1810.76:355:18
1910.76:365:18
2010.76:365:19
2110.76:375:19
2210.76:375:20
2310.76:385:20
2410.76:385:21
2510.76:395:21
2610.76:395:22
2710.76:405:22
2810.76:405:23
2910.76:405:23
3010.76:415:24
3110.76:415:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.48 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 7.47 kWh/m² in May across the year — December's 4.48 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Compostela

In seasonPeak

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

Compostela sits in the eastern Pacific hurricane zone; the season peaks August–September.

Compostela's monsoon runs June–September, when most of the year's rain falls.

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

Is December a good time to visit Compostela?

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

8.3
Sightseeing
3rd-best month of the year
7.7
Beach & pool
6th-best month of the year

December is one of the better times to visit Compostela for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Compostela in December

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

In December, Compostela sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes.

light clothes

Sea temperature near Compostela in December

The nearest coast averages about 26°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 51 km away) is warmest in August at about 30°C and coldest in March near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Warm
Apr25Warm
May27Warm
Jun28Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov28Tropical
Dec26Warm

UV index in Compostela in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Compostela peaks around May 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 11UV 13Dec 17UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar12Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Compostela 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 Compostela is worst in May — around 24 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (February, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1823 µg/m³Feb 158 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr11Good
May24Moderate
Jun15Moderate
Jul10Good
Aug10Good
Sep9Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Compostela?

Compostela sits at 21.2°N, 104.9°W, 855 m above sea level, in Mexico. The nearest listed city is Xalisco, 23 km away.

Topography around Compostela

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

Within 3 km, the terrain around Compostela has only modest variations in elevation — a maximum elevation change of 115 m around an average of 865 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,712 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,631 m.

The land around Compostela is covered by grassland (40%) and cropland (29%) within 3 km, trees (68%) within 16 km, and trees (63%) within 80 km.

3 km
115 m
16 km
1,712 m
80 km
2,631 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Xalisco 23 km · Tepic 30 km · Ixtlán del Río 60 km · San José del Valle 63 km · Ixtapa 66 km · Mezcales 69 km · Sayulita 69 km · Bucerías 70 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 Compostela (21.2373°, -104.9006°, elevation 855 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).