Retalhuleu weather in June

In June, Retalhuleu sees average daytime highs of 30°C and overnight lows near 23°C, with 374 mm of rain across 28.4 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of June to 12 h 54 min by month's end. Set against the rest of the year, June is Retalhuleu's 11th-clearest and 6th-windiest month. For the whole year in context, see Retalhuleu's year-round climate.

Daytime high
30°
8th warmest
Overnight low
23°
10th coldest
Rainfall
374 mm
28.4 wet days
Daylight
12 h 54 min
5:41 AM – 6:33 PM
Cloud cover
86%
11th clearest
Wind
4 km/h
6th windiest
Solar energy
5.22 kWh/m²
Travel score
2.6
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical June day in Retalhuleu reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, June runs about 1°C cooler than May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23023
33023
43023
53023
63023
73023
83023
93023
103023
113123
123123
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How June really feels in Retalhuleu

Once humidity and wind are folded in, June averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Retalhuleu weather by month

How June compares with the rest of the year at a glance. June 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
Jan31° / 21°184.911.25.3
Feb32° / 22°153.811.54.8
Mar33° / 23°368.511.94.0
Apr33° / 23°9414.412.33.2
May32° / 24°3512712.72.6
Jun30° / 23°37428.412.82.6
Jul31° / 23°2872712.82.8
Aug30° / 23°36128.612.52.7
Sep30° / 23°45629.212.12.6
Oct30° / 23°38427.711.73.0
Nov30° / 23°11615.511.34.4
Dec31° / 22°276.111.25.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 7% of June, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21090
31090
4991
5991
6991
7892
8892
9991
10991
111090
121090
131090
141090
151090
161090
171090
181090
191090
201090
211090
221090
231090
241090
251189
261189
271189
281288
291288
301288

Chance of precipitation in June

Any precipitation

Retalhuleu gets around 374 mm of rain over 28.4 wet days in June. 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 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
395
495
595
695
795
895
995
1095
1195
1295
1395
1495
1595
1695
1795
1894
1994
2094
2194
2294
2394
2493
2593
2693
2792
2892
2992
3092

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
128513
228612
318712
418712
518712
618811
708911
808911
908911
1008911
1108911
1208911
1308911
1409010
1509010
1609010
1709010
1809010
1909010
2009010
2109010
2209010
2309010
2409010
2509010
2609010
270919
280919
290919
300919

Wind in June

Winds average 4 km/h in June.

Across June, 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.

0246810151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 48 min at the start of June to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:40 AM to 5:44 AM, and sunset from 6:28 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:406:28
212.85:406:28
312.85:406:29
412.85:406:29
512.85:406:29
612.85:406:30
712.85:406:30
812.85:406:30
912.85:416:31
1012.85:416:31
1112.85:416:31
1212.85:416:31
1312.85:416:32
1412.95:416:32
1512.95:416:32
1612.95:416:33
1712.95:416:33
1812.95:426:33
1912.95:426:33
2012.95:426:34
2112.95:426:34
2212.95:426:34
2312.95:436:34
2412.95:436:34
2512.95:436:35
2612.95:436:35
2712.95:446:35
2812.95:446:35
2912.95:446:35
3012.95:446:35

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.34 kWh/m² in April across the year — June's 5.22 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in June

Hazard calendar for Retalhuleu

In seasonPeak

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

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

Retalhuleu'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 June a good time to visit Retalhuleu?

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

2.6
Sightseeing
10th-best month of the year
3.7
Beach & pool
11th-best month of the year

June is a weaker month for outdoor sightseeing in Retalhuleu.

What to pack for Retalhuleu in June

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

In June, Retalhuleu sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Retalhuleu in June

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

The sea at the nearest coast (about 46 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 Retalhuleu in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Retalhuleu 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 Retalhuleu in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Retalhuleu 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 Retalhuleu?

Retalhuleu sits at 14.5°N, 91.7°W, 241 m above sea level, in Guatemala. The nearest listed city is San Sebastián, 4.0 km away.

Topography around Retalhuleu

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

Within 3 km, the terrain around Retalhuleu has only modest variations in elevation — a maximum elevation change of 123 m around an average of 237 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,034 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Retalhuleu is covered by trees (47%) and grassland (26%) within 3 km, trees (63%) and grassland (24%) within 16 km, and trees (51%) and water (22%) within 80 km.

3 km
123 m
16 km
1,034 m
80 km
4,178 m
treesgrasslandcroplandartificial surfaceswatermangroves
June weather nearby: San Sebastián 4.0 km · Nuevo San Carlos 7.0 km · El Asintal 9.0 km · San Felipe 13 km · El Palmar 17 km · San Francisco Zapotitlán 18 km · Mazatenango 19 km · Colomba 20 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 Retalhuleu (14.5358°, -91.6785°, elevation 241 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).