Jalpatagua weather in August

In August, Jalpatagua sees average daytime highs of 28°C and overnight lows near 18°C, with 140 mm of rain across 20 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 8% of the time in August, and the air most often feels humid.

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 Jalpatagua's 9th-clearest and 8th-windiest month. For the whole year in context, see Jalpatagua's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
11th coldest
Rainfall
140 mm
20 wet days
Daylight
12 h 30 min
5:50 AM – 6:18 PM
Cloud cover
76%
9th clearest
Wind
6 km/h
8th windiest
Solar energy
5.83 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Jalpatagua reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72918
82918
92918
102918
112918
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

Jalpatagua weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°20.411.38.5
Feb29° / 16°20.811.57.5
Mar29° / 16°102.811.96.5
Apr30° / 18°368.212.35.4
May28° / 18°15920.712.64.3
Jun27° / 18°21524.212.84.1
Jul28° / 18°10017.212.84.8
Aug28° / 18°1402012.54.4
Sep27° / 18°23625.212.14.0
Oct27° / 18°18118.711.75.1
Nov27° / 16°254.611.37.4
Dec28° / 16°51.211.28.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32872
42773
52773
62773
72575
82575
92575
102575
112575
122575
132476
142476
152476
162476
172476
182476
192476
202377
212278
222278
232278
242179
252080
262080
271981
281981
291882
301882
311783

Chance of precipitation in August

Any precipitation

Jalpatagua gets around 140 mm of rain over 20 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 65% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
357
458
558
659
759
860
960
1061
1161
1262
1362
1463
1563
1664
1764
1865
1965
2066
2167
2268
2369
2470
2571
2672
2773
2875
2976
3077
3178

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
1196318
2196219
3186319
4186319
5186220
6176320
7176320
8166321
9156421
10156322
11146422
12146323
13136324
14136225
15136126
16136027
17135829
18135730
19125731
20125533
21125434
22125236
23115237
24115039
25114940
26114842
27104743
28104644
2994645
3094546
3184547

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:47 AM to 5:51 AM, and sunset from 6:25 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:476:25
212.65:476:25
312.65:486:24
412.65:486:24
512.65:486:24
612.65:486:23
712.65:486:23
812.65:496:22
912.65:496:22
1012.55:496:21
1112.55:496:21
1212.55:496:20
1312.55:496:20
1412.55:506:19
1512.55:506:19
1612.55:506:18
1712.55:506:18
1812.55:506:17
1912.45:506:17
2012.45:506:16
2112.45:516:15
2212.45:516:15
2312.45:516:14
2412.45:516:14
2512.45:516:13
2612.45:516:12
2712.35:516:12
2812.35:516:11
2912.35:516:10
3012.35:516:09
3112.35:516:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.83 kWh/m².

For context, solar energy here swings from a low near 4.85 kWh/m² to a high of 6.45 kWh/m² in March across the year — August's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Bright
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Hazard calendar for Jalpatagua

In seasonPeak

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

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

Jalpatagua's monsoon runs August–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 Jalpatagua?

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

4.4
Sightseeing
9th-best month of the year
5.1
Beach & pool
9th-best month of the year

August is a reasonable time to visit Jalpatagua for sightseeing.

What to pack for Jalpatagua in August

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

In August, Jalpatagua sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Jalpatagua 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 49 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 Jalpatagua 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 Jalpatagua peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 14Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Jalpatagua 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 Jalpatagua is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2233 µg/m³Jan 1416 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar21Moderate
Apr34Moderate
May32Moderate
Jun23Moderate
Jul23Moderate
Aug21Moderate
Sep21Moderate
Oct21Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Jalpatagua?

Jalpatagua sits at 14.1°N, 90.0°W, 565 m above sea level, in Guatemala. The nearest listed city is Jutiapa, 21 km away.

AhuachapanCuilapaAsunción MitaChalchuapaBarberenaGuazacapánSanta Ana

Topography around Jalpatagua

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

Within 3 km, the terrain around Jalpatagua has significant variations in elevation — a maximum elevation change of 599 m around an average of 652 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Jalpatagua is covered by grassland (48%) and trees (38%) within 3 km, grassland (47%) and trees (40%) within 16 km, and trees (47%) and grassland (23%) within 80 km.

3 km
599 m
16 km
1,347 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Jutiapa 21 km · Ahuachapan 30 km · Cuilapa 35 km · Asunción Mita 39 km · Chalchuapa 39 km · Barberena 42 km · Guazacapán 45 km · Santa Ana 52 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 Jalpatagua (14.1369°, -90.0091°, elevation 565 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).