Comalapa weather in December

In December, Comalapa sees average daytime highs of 21°C and overnight lows near 11°C, with 16 mm of rain across 3.2 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 10th-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 41% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Comalapa's 3rd-clearest and 1st-windiest month. For the whole year in context, see Comalapa's year-round climate.

Daytime high
21°
11th warmest
Overnight low
11°
3rd coldest
Rainfall
16 mm
3.2 wet days
Daylight
11 h 06 min
6:26 AM – 5:34 PM
Cloud cover
43%
3rd clearest
Wind
8 km/h
1st windiest
Solar energy
4.77 kWh/m²
Travel score
7.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical December day in Comalapa reaches about 21°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52112
62112
72112
82112
92112
102112
112112
122112
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111
312111

Comalapa weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 11°92.411.27.9
Feb22° / 11°102.511.58.2
Mar23° / 12°297.311.97.6
Apr23° / 13°8312.612.36.4
May22° / 14°21921.112.74.8
Jun22° / 14°31625.312.94.0
Jul22° / 14°16918.412.85.0
Aug22° / 14°21320.212.54.8
Sep22° / 14°30725.612.13.9
Oct21° / 14°21320.811.74.7
Nov21° / 12°488.911.36.5
Dec21° / 11°163.211.17.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 33% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26733
36931
47030
57129
67327
77327
87426
97426
107426
117525
127426
137525
147525
157426
167426
177525
187525
197525
207525
217525
227624
237624
247624
257624
267624
277624
287624
297624
307624
317525

Chance of precipitation in December

Any precipitation

Comalapa gets around 16 mm of rain over 3.2 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 11% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
215
314
413
512
612
712
811
911
1011
1111
1211
1311
1411
1510
1610
1710
1810
1910
2010
2110
2210
239
249
259
269
279
289
299
309
319

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
17921
28020
38119
48218
58317
68416
78515
88614
98713
108713
118812
128812
138911
149010
159010
16919
17919
18928
19937
20937
21946
22946
23955
24964
25964
26973
27973
28973
29982
30982
31982

Wind in December

Winds average 8 km/h in December, the windiest month of the year.

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.

0246810151015202531
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 11 h 12 min at the start of December to 11 h 06 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 6:18 AM to 6:33 AM, and sunset from 5:29 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:185:29
211.26:185:29
311.26:195:29
411.26:195:30
511.26:205:30
611.26:205:30
711.26:215:30
811.26:215:31
911.26:225:31
1011.16:235:31
1111.16:235:32
1211.16:245:32
1311.16:245:32
1411.16:255:33
1511.16:255:33
1611.16:265:34
1711.16:265:34
1811.16:275:35
1911.16:275:35
2011.16:285:35
2111.16:285:36
2211.16:295:36
2311.16:295:37
2411.16:305:37
2511.16:305:38
2611.16:315:38
2711.16:315:39
2811.16:315:39
2911.16:325:40
3011.16:325:40
3111.16:335:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.2 kWh/m² in April across the year — December's 4.77 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Comalapa

In seasonPeak

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

Comalapa's monsoon runs May–October, 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 Comalapa?

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

7.7
Sightseeing
3rd-best month of the year
4.4
Beach & pool
5th-best month of the year

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

What to pack for Comalapa in December

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

In December, Comalapa sees daytime highs around 21°C and nights near 11°C. Worth packing: sun protection. About 3 days see rain.

sun protection

UV index in Comalapa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Comalapa peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 13UV 15Dec 13UV 9
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Comalapa 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 Comalapa is worst in April — around 48 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (August, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1846 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb26Moderate
Mar31Moderate
Apr48Poor
May37Poor
Jun25Moderate
Jul23Moderate
Aug22Moderate
Sep24Moderate
Oct23Moderate
Nov22Moderate
Dec24Moderate
Location & terrain

Where is Comalapa?

Comalapa sits at 14.7°N, 90.9°W, 2,115 m above sea level, in Guatemala. The nearest listed city is Zaragoza, 10 km away.

Topography around Comalapa

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

Within 3 km, the terrain around Comalapa has significant variations in elevation — a maximum elevation change of 467 m around an average of 2,123 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,852 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,935 m.

The land around Comalapa is covered by trees (52%) and cropland (32%) within 3 km, trees (66%) and cropland (21%) within 16 km, and trees (67%) within 80 km.

3 km
467 m
16 km
1,852 m
80 km
3,935 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Zaragoza 10 km · Tecpán Guatemala 12 km · Chimaltenango 12 km · Patzicía 13 km · San Andrés Itzapa 14 km · El Tejar 15 km · Patzún 15 km · Sumpango 20 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Comalapa (14.7409°, -90.8876°, elevation 2,115 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).