Jalpatagua weather in January

In January, Jalpatagua sees average daytime highs of 28°C and overnight lows near 15°C, with 2 mm of rain across 0.4 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 12th-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 80% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Jalpatagua's 1st-clearest and 1st-windiest month. For the whole year in context, see Jalpatagua's year-round climate.

Daytime high
28°
7th warmest
Overnight low
15°
1st coldest
Rainfall
2 mm
0.4 wet days
Daylight
11 h 12 min
6:32 AM – 5:47 PM
Cloud cover
24%
1st clearest
Wind
10 km/h
1st windiest
Solar energy
5.45 kWh/m²
Travel score
8.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Jalpatagua reaches about 28°C in the afternoon and slips back to 15°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, January runs on par with December and about 1°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12815
22815
32815
42815
52815
62815
72815
82815
92815
102715
112715
122715
132715
142715
152815
162815
172815
182815
192815
202815
212815
222815
232815
242815
252815
262815
272815
282815
292815
302815
312815

Jalpatagua weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
6919
7919
8919
9928
10937
11937
12937
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25937
26937
27937
28928
29928
30928
31937

Chance of precipitation in January

Any precipitation

Jalpatagua gets around 2 mm of rain over 0.4 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
62
72
82
92
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
272
282
292
302
312

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 (%)
131627
232617
333616
433616
533616
634606
734606
835605
935605
1036595
1136595
1237585
1337594
1437594
1537594
1637594
1737594
1837594
1937594
2037594
2137594
2237594
2337594
2436604
2536604
2636604
2735614
2835614
2935614
3035614
3135614

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

Across January, 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 January

DaylightNight

Daylight runs from about 11 h 12 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:28 AM to 6:32 AM, and sunset from 5:39 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:285:39
211.26:285:39
311.26:295:40
411.26:295:40
511.26:295:41
611.26:305:41
711.26:305:42
811.26:305:42
911.26:305:43
1011.26:315:43
1111.26:315:44
1211.26:315:45
1311.26:315:45
1411.26:325:46
1511.26:325:46
1611.26:325:47
1711.36:325:47
1811.36:325:48
1911.36:325:48
2011.36:325:49
2111.36:325:49
2211.36:325:50
2311.36:335:51
2411.36:335:51
2511.36:335:52
2611.36:335:52
2711.36:335:53
2811.36:325:53
2911.46:325:54
3011.46:325:54
3111.46:325:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.45 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 — January's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Jalpatagua

In seasonPeak

None of Jalpatagua's seasonal hazards are active in January. 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 January a good time to visit Jalpatagua?

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

8.5
Sightseeing
1st-best month of the year
8.9
Beach & pool
2nd-best month of the year

January 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 January

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

In January, Jalpatagua sees daytime highs around 28°C and nights near 15°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Jalpatagua in January

The nearest coast averages about 28°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).