Jalpatagua weather in December

In December, Jalpatagua sees average daytime highs of 28°C and overnight lows near 16°C, with 5 mm of rain across 1.2 wet days and about 11.2 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 72% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Jalpatagua's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Jalpatagua's year-round climate.

Daytime high
28°
8th warmest
Overnight low
16°
3rd coldest
Rainfall
5 mm
1.2 wet days
Daylight
11 h 12 min
6:21 AM – 5:31 PM
Cloud cover
29%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
5.22 kWh/m²
Travel score
8.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Jalpatagua reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42816
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172816
182816
192816
202815
212815
222815
232815
242815
252815
262815
272815
282815
292815
302815
312815

Jalpatagua weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°20.411.38.5
Feb29° / 16°20.811.57.5
Mar29° / 16°102.811.96.5
Apr30° / 18°368.212.35.4
May28° / 18°15920.712.64.3
Jun27° / 18°21524.212.84.1
Jul28° / 18°10017.212.84.8
Aug28° / 18°1402012.54.4
Sep27° / 18°23625.212.14.0
Oct27° / 18°18118.711.75.1
Nov27° / 16°254.611.37.4
Dec28° / 16°51.211.28.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28218
38317
48416
58614
68614
78713
88812
98812
108911
118911
129010
139010
149010
159010
169010
179010
189010
199010
209010
219010
229010
23919
24919
25919
269010
279010
289010
299010
309010
319010

Chance of precipitation in December

Any precipitation

Jalpatagua gets around 5 mm of rain over 1.2 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 4% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
26
36
45
55
64
74
84
94
104
114
124
134
144
154
164
173
183
193
203
213
223
234
244
254
264
274
284
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11653301
21654291
31557271
41558261
51559251
61560241
71660231
81661221
91662211
101762201
111861201
121961191
131962181
142062171
152161171
162261161
172361151
182460151
192560141
202660131
212760121
222860120
232861110
242961100
252961100
26296290
27296290
28306280
29306280
30306280
31316270

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:13 AM to 6:28 AM, and sunset from 5:27 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:135:27
211.26:145:27
311.26:145:27
411.26:155:27
511.26:155:27
611.26:165:28
711.26:165:28
811.26:175:28
911.26:175:29
1011.26:185:29
1111.26:185:29
1211.26:195:30
1311.26:205:30
1411.26:205:30
1511.26:215:31
1611.26:215:31
1711.26:225:32
1811.26:225:32
1911.26:235:33
2011.26:235:33
2111.26:245:33
2211.26:245:34
2311.26:255:34
2411.26:255:35
2511.26:255:35
2611.26:265:36
2711.26:265:36
2811.26:275:37
2911.26:275:37
3011.26:285:38
3111.26:285:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.85 kWh/m² to a high of 6.45 kWh/m² in March across the year — December's 5.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Jalpatagua

In seasonPeak

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

Jalpatagua sits in the Atlantic hurricane belt; the season peaks August–October.

Jalpatagua's monsoon runs August–October, when most of the year's rain falls.

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

Is December a good time to visit Jalpatagua?

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

8.3
Sightseeing
2nd-best month of the year
8.6
Beach & pool
3rd-best month of the year

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

What to pack for Jalpatagua in December

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

In December, Jalpatagua sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Jalpatagua in December

The nearest coast averages about 29°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 49 km away) is warmest in August at about 30°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Jalpatagua 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 Jalpatagua peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 14Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Jalpatagua 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 Jalpatagua is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2233 µg/m³Jan 1416 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar21Moderate
Apr34Moderate
May32Moderate
Jun23Moderate
Jul23Moderate
Aug21Moderate
Sep21Moderate
Oct21Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Jalpatagua?

Jalpatagua sits at 14.1°N, 90.0°W, 565 m above sea level, in Guatemala. The nearest listed city is Jutiapa, 21 km away.

AhuachapanCuilapaAsunción MitaChalchuapaBarberenaGuazacapánSanta Ana

Topography around Jalpatagua

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

Within 3 km, the terrain around Jalpatagua has significant variations in elevation — a maximum elevation change of 599 m around an average of 652 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Jalpatagua is covered by grassland (48%) and trees (38%) within 3 km, grassland (47%) and trees (40%) within 16 km, and trees (47%) and grassland (23%) within 80 km.

3 km
599 m
16 km
1,347 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Jutiapa 21 km · Ahuachapan 30 km · Cuilapa 35 km · Asunción Mita 39 km · Chalchuapa 39 km · Barberena 42 km · Guazacapán 45 km · Santa Ana 52 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 Jalpatagua (14.1369°, -90.0091°, elevation 565 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).