Salcajá weather in December

In December, Salcajá sees average daytime highs of 19°C and overnight lows near 9°C, with 27 mm of rain across 6.2 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 42% 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 Salcajá's 4th-clearest and 4th-windiest month. For the whole year in context, see Salcajá's year-round climate.

Daytime high
19°
12th warmest
Overnight low
3rd coldest
Rainfall
27 mm
6.2 wet days
Daylight
11 h 06 min
6:28 AM – 5:36 PM
Cloud cover
44%
4th clearest
Wind
5 km/h
4th windiest
Solar energy
4.87 kWh/m²
Travel score
6.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical December day in Salcajá reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°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)
11910
21910
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Salcajá weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 16511.27.2
Feb21° / 164.111.57.6
Mar22° / 10°429.711.97.0
Apr22° / 11°941712.35.7
May22° / 12°2582712.74.0
Jun20° / 12°34428.412.93.4
Jul20° / 11°20325.712.83.9
Aug20° / 12°24427.812.53.6
Sep20° / 12°32229.312.13.3
Oct20° / 12°23126.311.73.8
Nov19° / 10°6613.711.35.6
Dec19° / 276.211.16.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36832
46931
57129
67129
77228
87327
97327
107327
117327
127327
137327
147327
157228
167228
177228
187228
197228
207228
217327
227327
237327
247327
257426
267426
277426
287426
297426
307426
317525

Chance of precipitation in December

Any precipitation

Salcajá gets around 27 mm of rain over 6.2 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 21% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
324
423
522
622
721
821
921
1021
1121
1221
1321
1421
1521
1621
1721
1821
1921
2021
2120
2220
2320
2419
2519
2619
2718
2818
2918
3018
3118

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:20 AM to 6:35 AM, and sunset from 5:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:205:31
211.26:215:31
311.26:215:31
411.26:225:32
511.26:225:32
611.26:235:32
711.26:235:33
811.16:245:33
911.16:255:33
1011.16:255:33
1111.16:265:34
1211.16:265:34
1311.16:275:35
1411.16:275:35
1511.16:285:35
1611.16:285:36
1711.16:295:36
1811.16:295:37
1911.16:305:37
2011.16:305:37
2111.16:315:38
2211.16:315:38
2311.16:325:39
2411.16:325:39
2511.16:335:40
2611.16:335:40
2711.16:335:41
2811.16:345:41
2911.16:345:42
3011.16:355:42
3111.16:355:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.87 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.48 kWh/m² in April across the year — December's 4.87 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Salcajá

In seasonPeak

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

Salcajá's rainy season runs May–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 Salcajá?

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

6.9
Sightseeing
4th-best month of the year
2.9
Beach & pool
5th-best month of the year

December is a reasonable time to visit Salcajá for sightseeing.

What to pack for Salcajá in December

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

In December, Salcajá sees daytime highs around 19°C and nights near 9°C. Worth packing: sun protection. About 6 days see rain.

sun protection

UV index in Salcajá 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 Salcajá peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 12UV 14Dec 16UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Salcajá 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 Salcajá is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Salcajá?

Salcajá sits at 14.9°N, 91.5°W, 2,322 m above sea level, in Guatemala. The nearest listed city is San Andrés Xecul, 4.0 km away.

Topography around Salcajá

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

Within 3 km, the terrain around Salcajá has significant variations in elevation — a maximum elevation change of 257 m around an average of 2,374 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,805 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Salcajá is covered by cropland (65%) within 3 km, trees (54%) and cropland (25%) within 16 km, and trees (72%) within 80 km.

3 km
257 m
16 km
1,805 m
80 km
4,178 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: San Andrés Xecul 4.0 km · San Francisco El Alto 7.0 km · Cantel 8.0 km · Quetzaltenango 8.0 km · Totonicapán 11 km · La Esperanza 11 km · Nahualá 15 km · Ostuncalco 18 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 Salcajá (14.8796°, -91.457°, elevation 2,322 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).