Antiguo Cuscatlán weather in January

In January, Antiguo Cuscatlán sees average daytime highs of 32°C and overnight lows near 20°C, with 2 mm of rain across 0.6 wet days and about 11.3 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 82% of the time in January, and the air most often feels humid.

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 Antiguo Cuscatlán's 1st-clearest and 1st-windiest month. For the whole year in context, see Antiguo Cuscatlán's year-round climate.

Daytime high
32°
4th warmest
Overnight low
20°
1st coldest
Rainfall
2 mm
0.6 wet days
Daylight
11 h 18 min
6:28 AM – 5:45 PM
Cloud cover
25%
1st clearest
Wind
8 km/h
1st windiest
Solar energy
5.38 kWh/m²
Travel score
5.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Antiguo Cuscatlán reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83220
93220
103219
113219
123219
133219
143219
153219
163219
173219
183219
193219
203219
213219
223219
233219
243220
253220
263220
273220
283220
293220
303220
313220

How January really feels in Antiguo Cuscatlán

Once humidity and wind are folded in, January averages 5 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Antiguo Cuscatlán weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°20.611.35.5
Feb33° / 20°20.511.54.9
Mar33° / 21°102.911.94.3
Apr33° / 22°5011.312.33.7
May31° / 22°22224.912.62.9
Jun30° / 22°24826.312.82.9
Jul31° / 22°18622.312.73.1
Aug31° / 22°2302612.52.9
Sep30° / 22°30328.412.12.8
Oct29° / 21°23223.311.73.6
Nov31° / 20°457.611.45.1
Dec31° / 20°71.411.25.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
49010
59010
69010
7919
8919
9919
10928
11928
12928
13928
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25937
26928
27928
28928
29928
30928
31928

Chance of precipitation in January

Any precipitation

Antiguo Cuscatlán gets around 2 mm of rain over 0.6 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
63
73
82
92
102
112
122
132
142
152
162
172
182
192
202
211
221
231
241
251
261
271
281
291
301
311

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1633547
2633547
3734527
4734527
5734527
6735526
7735526
8836506
9836506
10837496
11837496
12938485
13938485
14938485
15938485
16938485
171038485
181038485
191037485
201037485
21937485
22937485
23937495
24837496
25837496
26838496
27738496
28738496
29638496
30639496
31639487

Wind in January

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

Across January, 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.

051015151015202531
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 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 6:24 AM to 6:29 AM, and sunset from 5:36 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:245:36
211.26:245:37
311.26:255:37
411.26:255:38
511.26:255:39
611.26:265:39
711.26:265:40
811.26:265:40
911.26:275:41
1011.26:275:41
1111.26:275:42
1211.36:275:42
1311.36:285:43
1411.36:285:43
1511.36:285:44
1611.36:285:45
1711.36:285:45
1811.36:285:46
1911.36:285:46
2011.36:295:47
2111.36:295:47
2211.36:295:48
2311.36:295:48
2411.36:295:49
2511.36:295:49
2611.36:295:50
2711.46:295:50
2811.46:295:51
2911.46:295:51
3011.46:295:52
3111.46:295:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.23 kWh/m² in March across the year — January's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Antiguo Cuscatlán

In seasonPeak

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

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

Antiguo Cuscatlán's monsoon runs May–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 Antiguo Cuscatlán?

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

5.5
Sightseeing
2nd-best month of the year
8.5
Beach & pool
1st-best month of the year

January is a reasonable time to visit Antiguo Cuscatlán for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Antiguo Cuscatlán in January

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

In January, Antiguo Cuscatlán sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Antiguo Cuscatlán 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 35 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
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Antiguo Cuscatlán in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Antiguo Cuscatlán peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 highMar 21UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Antiguo Cuscatlán 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 Antiguo Cuscatlán is worst in April — around 43 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (September, 26 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorApr 1942 µg/m³Sep 1026 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb35Moderate
Mar35Poor
Apr43Poor
May40Poor
Jun27Moderate
Jul30Moderate
Aug27Moderate
Sep26Moderate
Oct29Moderate
Nov35Moderate
Dec36Poor
Location & terrain

Where is Antiguo Cuscatlán?

Antiguo Cuscatlán sits at 13.7°N, 89.3°W, 891 m above sea level, in El Salvador. The nearest listed city is Santa Tecla, 4.0 km away.

Topography around Antiguo Cuscatlán

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

Within 3 km, the terrain around Antiguo Cuscatlán has significant variations in elevation — a maximum elevation change of 308 m around an average of 909 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,823 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,652 m.

The land around Antiguo Cuscatlán is covered by trees (57%) and artificial surfaces (41%) within 3 km, trees (79%) within 16 km, and trees (45%), water (26%) and grassland (20%) within 80 km.

3 km
308 m
16 km
1,823 m
80 km
2,652 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Santa Tecla 4.0 km · San Salvador 8.0 km · San Marcos 8.0 km · Ayutuxtepeque 10 km · Mejicanos 10 km · Cuscatancingo 10 km · Delgado 11 km · Soyapango 13 km

El Salvador travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
115 V · 60 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$5,767
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
7.9
per 100k, 2022
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 523
Religion
Roman Catholic 44%Protestant 40%none 16%

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 Antiguo Cuscatlán (13.6649°, -89.2532°, elevation 891 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).