Chalatenango weather in August

In August, Chalatenango sees average daytime highs of 32°C and overnight lows near 22°C, with 143 mm of rain across 21.3 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 4th-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 12% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Chalatenango's 10th-clearest and 9th-windiest month. For the whole year in context, see Chalatenango's year-round climate.

Daytime high
32°
6th warmest
Overnight low
22°
10th coldest
Rainfall
143 mm
21.3 wet days
Daylight
12 h 30 min
5:46 AM – 6:14 PM
Cloud cover
72%
10th clearest
Wind
4 km/h
9th windiest
Solar energy
5.58 kWh/m²
Travel score
3.0
out of 10

Chalatenango is city in El Salvador.

Density
147/km²
people per km²
Founded
1786

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Chalatenango reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253122
263122
273122
283122
293122
303122
313122

How August really feels in Chalatenango

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Chalatenango weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°10.211.35.5
Feb33° / 20°10.111.54.6
Mar34° / 21°51.311.93.9
Apr34° / 22°236.212.33.3
May32° / 22°13720.812.62.8
Jun31° / 22°1842412.82.9
Jul32° / 22°12118.212.73.2
Aug32° / 22°14321.312.53.0
Sep30° / 21°21525.812.12.9
Oct30° / 21°16419.411.73.9
Nov31° / 20°285.111.35.4
Dec31° / 20°4111.25.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53466
63466
73466
83466
93466
103466
113466
123466
133268
143268
153169
163169
173169
183169
193070
203070
212971
222872
232773
242674
252674
262476
272476
282476
292377
302278
312278

Chance of precipitation in August

Any precipitation

Chalatenango gets around 143 mm of rain over 21.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 69% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
260
361
462
563
663
764
865
966
1066
1167
1267
1368
1468
1569
1669
1769
1869
1970
2070
2171
2272
2372
2473
2574
2674
2775
2876
2977
3078
3179

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1196813
2196714
3186814
4186814
5176914
6166915
7166915
8157015
9157015
10147115
11147115
12137215
13137215
14137215
15127216
16127216
17127216
18127117
19127018
20117019
21117019
22116920
23106921
24106822
2596823
2696823
2786824
2886824
2976924
3076924
3167024

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 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
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:43 AM to 5:47 AM, and sunset from 6:21 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:436:21
212.65:436:20
312.65:436:20
412.65:446:20
512.65:446:19
612.65:446:19
712.65:446:18
812.65:446:18
912.55:456:18
1012.55:456:17
1112.55:456:17
1212.55:456:16
1312.55:456:16
1412.55:456:15
1512.55:466:15
1612.55:466:14
1712.55:466:13
1812.45:466:13
1912.45:466:12
2012.45:466:12
2112.45:466:11
2212.45:466:10
2312.45:476:10
2412.45:476:09
2512.45:476:09
2612.45:476:08
2712.35:476:07
2812.35:476:07
2912.35:476:06
3012.35:476:05
3112.35:476:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.58 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.18 kWh/m² in March across the year — August's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Chalatenango

In seasonPeak

In August, Chalatenango sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

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

Chalatenango'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 August a good time to visit Chalatenango?

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

3.0
Sightseeing
9th-best month of the year
4.7
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Chalatenango.

What to pack for Chalatenango in August

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

In August, Chalatenango sees daytime highs around 32°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Chalatenango in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chalatenango peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 11UV 14Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Chalatenango in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Chalatenango is worst in April — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2133 µg/m³Dec 1716 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar21Moderate
Apr33Moderate
May31Moderate
Jun21Moderate
Jul23Moderate
Aug20Moderate
Sep19Moderate
Oct18Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Chalatenango?

Chalatenango sits at 14.0°N, 88.9°W, 400 m above sea level, in El Salvador. The nearest listed city is Suchitoto, 15 km away.

SuchitotoAguilaresSan MartínCojutepequeApopaSensuntepequeIlopangoSoyapango

Topography around Chalatenango

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

Within 3 km, the terrain around Chalatenango has large variations in elevation — a maximum elevation change of 727 m around an average of 458 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,459 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,817 m.

The land around Chalatenango is covered by trees (50%) and grassland (40%) within 3 km, trees (44%) and grassland (38%) within 16 km, and trees (65%) and grassland (24%) within 80 km.

3 km
727 m
16 km
1,459 m
80 km
2,817 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Suchitoto 15 km · Aguilares 29 km · San Martín 29 km · Cojutepeque 36 km · Apopa 37 km · Sensuntepeque 38 km · Ilopango 42 km · Soyapango 43 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 Chalatenango (14.0414°, -88.9395°, elevation 400 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). 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).