Santa Lucía Cotzumalguapa weather in August

In August, Santa Lucía Cotzumalguapa sees average daytime highs of 29°C and overnight lows near 21°C, with 294 mm of rain across 29.3 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 4% 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 Santa Lucía Cotzumalguapa's 10th-clearest and 7th-windiest month. For the whole year in context, see Santa Lucía Cotzumalguapa's year-round climate.

Daytime high
29°
9th warmest
Overnight low
21°
8th coldest
Rainfall
294 mm
29.3 wet days
Daylight
12 h 30 min
5:54 AM – 6:23 PM
Cloud cover
81%
10th clearest
Wind
4 km/h
7th windiest
Solar energy
5.5 kWh/m²
Travel score
2.9
out of 10

Santa Lucía Cotzumalguapa is human settlement in Santa Lucia Cotzumalguapa, Guatemala.

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 29°C through the month.

A typical August day in Santa Lucía Cotzumalguapa reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How August really feels in Santa Lucía Cotzumalguapa

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.

Santa Lucía Cotzumalguapa 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
Jan31° / 18°82.411.25.9
Feb32° / 19°61.911.55.3
Mar32° / 20°185.611.94.6
Apr32° / 21°5812.612.33.7
May31° / 22°2482612.72.9
Jun29° / 22°33628.512.82.9
Jul29° / 21°25628.112.83.0
Aug29° / 21°29429.312.52.9
Sep29° / 21°37429.412.12.9
Oct29° / 21°33627.611.73.3
Nov29° / 20°10115.611.34.8
Dec30° / 19°174.711.26.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41882
51882
61882
71981
81981
91981
101981
111981
121882
131882
141981
151981
161981
171882
181882
191882
201882
211783
221783
231684
241684
251585
261585
271585
281387
291387
301387
311288

Chance of precipitation in August

Any precipitation

Santa Lucía Cotzumalguapa gets around 294 mm of rain over 29.3 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 94% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
593
693
793
893
993
1093
1193
1293
1393
1494
1594
1694
1794
1894
1994
2094
2195
2295
2395
2496
2596
2696
2796
2897
2997
3097
3197

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1694
2694
3694
4694
5694
6694
7694
8595
9595
10595
11595
12595
13595
14595
15496
16496
17496
18496
19496
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397
31397

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 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
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 5:51 AM to 5:55 AM, and sunset from 6:29 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:516:29
212.65:516:29
312.65:516:29
412.65:526:28
512.65:526:28
612.65:526:28
712.65:526:27
812.65:526:27
912.65:536:26
1012.65:536:26
1112.55:536:25
1212.55:536:25
1312.55:536:24
1412.55:536:24
1512.55:546:23
1612.55:546:23
1712.55:546:22
1812.55:546:22
1912.45:546:21
2012.45:546:20
2112.45:546:20
2212.45:556:19
2312.45:556:18
2412.45:556:18
2512.45:556:17
2612.45:556:16
2712.35:556:16
2812.35:556:15
2912.35:556:14
3012.35:556:14
3112.35:556:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.24 kWh/m² in March across the year — August's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Santa Lucía Cotzumalguapa

In seasonPeak

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

Santa Lucía Cotzumalguapa sits in the Atlantic hurricane belt; the season peaks August–October.

Santa Lucía Cotzumalguapa'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 Santa Lucía Cotzumalguapa?

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

2.9
Sightseeing
9th-best month of the year
3.9
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Santa Lucía Cotzumalguapa.

What to pack for Santa Lucía Cotzumalguapa in August

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

In August, Santa Lucía Cotzumalguapa sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Santa Lucía Cotzumalguapa 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 52 km away) is warmest in August at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Santa Lucía Cotzumalguapa 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 Santa Lucía Cotzumalguapa peaks around April 13 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 highApr 13UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Santa Lucía Cotzumalguapa 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 Santa Lucía Cotzumalguapa 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 Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa sits at 14.3°N, 91.0°W, 386 m above sea level, in Guatemala. The nearest listed city is Patulul, 18 km away.

EscuintlaLa GomeraAlotenangoPatzicía

Topography around Santa Lucía Cotzumalguapa

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

Within 3 km, the terrain around Santa Lucía Cotzumalguapa has only modest variations in elevation — a maximum elevation change of 236 m around an average of 381 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,275 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.

The land around Santa Lucía Cotzumalguapa is covered by trees (41%), cropland (22%) and grassland (21%) within 3 km, trees (63%) within 16 km, and trees (49%) within 80 km.

3 km
236 m
16 km
1,275 m
80 km
3,937 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Patulul 18 km · Yepocapa 20 km · Masagua 24 km · Santa Bárbara 25 km · Escuintla 26 km · La Gomera 28 km · Alotenango 29 km · Patzicía 35 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 Santa Lucía Cotzumalguapa (14.3351°, -91.0234°, elevation 386 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).