Mazatenango weather in August

In August, Mazatenango sees average daytime highs of 29°C and overnight lows near 22°C, with 452 mm of rain across 30.6 wet days and about 12.5 hours of daylight. It is the 8th-warmest and 3rd-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 2% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Mazatenango's 10th-clearest and 8th-windiest month. For the whole year in context, see Mazatenango's year-round climate.

Daytime high
29°
8th warmest
Overnight low
22°
9th coldest
Rainfall
452 mm
30.6 wet days
Daylight
12 h 30 min
5:55 AM – 6:25 PM
Cloud cover
83%
10th clearest
Wind
4 km/h
8th windiest
Solar energy
5.31 kWh/m²
Travel score
2.9
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 Mazatenango reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How August really feels in Mazatenango

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.

Mazatenango weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°22611.26.0
Feb31° / 20°175.211.55.4
Mar31° / 21°5310.911.94.5
Apr31° / 22°13317.912.33.6
May30° / 22°43828.512.72.9
Jun29° / 22°4332912.82.9
Jul29° / 22°36630.112.82.9
Aug29° / 22°45230.612.52.9
Sep29° / 22°54229.512.12.9
Oct28° / 22°54129.811.73.1
Nov29° / 21°2072211.34.2
Dec29° / 20°411011.25.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31486
41486
51486
61486
71486
81486
91486
101486
111486
121387
131387
141387
151387
161387
171288
181288
191288
201288
211288
221189
231189
241189
251090
26991
27991
28991
29892
30892
31892

Chance of precipitation in August

Any precipitation

Mazatenango gets around 452 mm of rain over 30.6 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
198
298
398
498
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3098
3198

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
Muggy (%)Oppressive (%)Miserable (%)
13961
23961
33961
44951
54951
64951
74951
85941
95941
105941
115950
126940
136940
146940
157930
167930
177930
187930
197930
207930
217930
227930
237930
247930
257930
267930
277930
287930
297930
307930
317930

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 42 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 24 minutes over August. Sunrise moves from 5:52 AM to 5:57 AM, and sunset from 6:32 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:526:32
212.65:536:31
312.65:536:31
412.65:536:31
512.65:536:30
612.65:546:30
712.65:546:29
812.65:546:29
912.65:546:28
1012.65:546:28
1112.55:556:27
1212.55:556:27
1312.55:556:26
1412.55:556:26
1512.55:556:25
1612.55:556:25
1712.55:566:24
1812.55:566:24
1912.55:566:23
2012.45:566:22
2112.45:566:22
2212.45:566:21
2312.45:566:21
2412.45:566:20
2512.45:576:19
2612.45:576:19
2712.45:576:18
2812.35:576:17
2912.35:576:16
3012.35:576:16
3112.35:576:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.31 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.16 kWh/m² in April across the year — August's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Mazatenango

In seasonPeak

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

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

Mazatenango's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Mazatenango?

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

2.9
Sightseeing
8th-best month of the year
3.7
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Mazatenango.

What to pack for Mazatenango in August

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

In August, Mazatenango sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 31 days see rain.

light clothesrain gearsun protection

Sea temperature near Mazatenango 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 47 km away) is warmest in July at about 30°C and coldest in February 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
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Mazatenango 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 Mazatenango peaks around March 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highMar 21UV 12Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Mazatenango 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 Mazatenango is worst in December — around 45 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (June, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 2145 µg/m³Jun 2228 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb45Poor
Mar41Poor
Apr44Poor
May40Poor
Jun28Moderate
Jul29Moderate
Aug29Moderate
Sep29Moderate
Oct30Moderate
Nov37Poor
Dec45Poor
Location & terrain

Where is Mazatenango?

Mazatenango sits at 14.5°N, 91.5°W, 373 m above sea level, in Guatemala. The nearest listed city is San Francisco Zapotitlán, 6.0 km away.

Topography around Mazatenango

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

Within 3 km, the terrain around Mazatenango has only modest variations in elevation — a maximum elevation change of 245 m around an average of 379 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,727 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,179 m.

The land around Mazatenango is covered by trees (58%) and artificial surfaces (20%) within 3 km, trees (72%) within 16 km, and trees (54%) within 80 km.

3 km
245 m
16 km
1,727 m
80 km
4,179 m
treesgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: San Francisco Zapotitlán 6.0 km · San Pablo Jocopilas 8.0 km · San Felipe 14 km · El Palmar 15 km · San Sebastián 16 km · Retalhuleu 19 km · Chicacao 19 km · Nuevo San Carlos 22 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 Mazatenango (14.5341°, -91.5031°, elevation 373 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).