Guazacapán weather in August

In August, Guazacapán sees average daytime highs of 29°C and overnight lows near 24°C, with 222 mm of rain across 28.3 wet days and about 12.5 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels oppressive.

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 Guazacapán's 10th-clearest and 10th-windiest month. For the whole year in context, see Guazacapán's year-round climate.

Daytime high
29°
9th warmest
Overnight low
24°
9th coldest
Rainfall
222 mm
28.3 wet days
Daylight
12 h 30 min
5:52 AM – 6:20 PM
Cloud cover
78%
10th clearest
Wind
6 km/h
10th windiest
Solar energy
5.77 kWh/m²
Travel score
3.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Guazacapán reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How August really feels in Guazacapán

Once humidity and wind are folded in, August averages 23 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
23
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.

Guazacapán weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°41.211.37.0
Feb30° / 23°41.211.56.7
Mar30° / 23°134.511.96.0
Apr30° / 24°4110.712.35.0
May29° / 25°19524.612.63.5
Jun29° / 24°27927.112.83.2
Jul29° / 24°19326.712.73.3
Aug29° / 24°22228.312.53.2
Sep28° / 24°33028.512.13.1
Oct28° / 24°29126.311.73.6
Nov29° / 23°7412.511.35.4
Dec29° / 22°113.511.26.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32377
42278
52377
62278
72278
82278
92278
102179
112179
122179
132179
142179
152179
162179
172179
182179
192080
202080
212179
222179
232080
242080
251981
261882
271882
281783
291684
301684
311684

Chance of precipitation in August

Any precipitation

Guazacapán gets around 222 mm of rain over 28.3 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 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
290
390
490
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2191
2291
2391
2491
2591
2691
2792
2892
2992
3092
3193

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1919
2919
3919
4919
5919
6919
7928
8928
9928
10928
11937
12937
13937
14937
15937
16946
17946
18946
19946
20946
21955
22955
23955
24955
25964
26964
27964
28964
29964
30973
31973

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:49 AM to 5:53 AM, and sunset from 6:27 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:496:27
212.65:496:26
312.65:496:26
412.65:496:26
512.65:506:25
612.65:506:25
712.65:506:24
812.65:506:24
912.65:506:23
1012.55:516:23
1112.55:516:23
1212.55:516:22
1312.55:516:22
1412.55:516:21
1512.55:516:20
1612.55:526:20
1712.55:526:19
1812.45:526:19
1912.45:526:18
2012.45:526:18
2112.45:526:17
2212.45:526:16
2312.45:526:16
2412.45:536:15
2512.45:536:14
2612.45:536:14
2712.35:536:13
2812.35:536:12
2912.35:536:12
3012.35:536:11
3112.35:536:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.77 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.57 kWh/m² in March across the year — August's 5.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Guazacapán

In seasonPeak

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

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

Guazacapán'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 Guazacapán?

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

3.2
Sightseeing
10th-best month of the year
4.0
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Guazacapán.

What to pack for Guazacapán in August

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

In August, Guazacapán sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Guazacapán in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 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 Guazacapán in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guazacapán peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 11UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Guazacapán 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 Guazacapán is worst in April — around 47 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorApr 2046 µg/m³Jul 2030 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb34Moderate
Mar37Poor
Apr47Poor
May44Poor
Jun31Moderate
Jul30Moderate
Aug30Moderate
Sep33Moderate
Oct37Poor
Nov40Poor
Dec37Poor
Location & terrain

Where is Guazacapán?

Guazacapán sits at 14.1°N, 90.4°W, 265 m above sea level, in Guatemala. The nearest listed city is Cuilapa, 26 km away.

CuilapaBarberenaFraijanesJalpataguaPuerto San JoséVilla CanalesEscuintlaPalín

Topography around Guazacapán

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

Within 3 km, the terrain around Guazacapán has significant variations in elevation — a maximum elevation change of 436 m around an average of 286 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,945 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.

The land around Guazacapán is covered by trees (55%) and grassland (39%) within 3 km, trees (49%) and grassland (37%) within 16 km, and trees (43%) and water (23%) within 80 km.

3 km
436 m
16 km
1,945 m
80 km
3,937 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Cuilapa 26 km · Barberena 27 km · Fraijanes 44 km · Jalpatagua 45 km · Puerto San José 47 km · Villa Canales 47 km · Escuintla 47 km · Palín 47 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 Guazacapán (14.0742°, -90.4167°, elevation 265 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).