Roatan weather in August

In August, Roatan sees average daytime highs of 28°C and overnight lows near 27°C, with 82 mm of rain across 15.4 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 6th-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 36% of the time in August, and the air most often feels miserable.

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 Roatan's 7th-clearest and 7th-windiest month. For the whole year in context, see Roatan's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
27°
11th coldest
Rainfall
82 mm
15.4 wet days
Daylight
12 h 36 min
5:34 AM – 6:07 PM
Cloud cover
54%
7th clearest
Wind
21 km/h
7th windiest
Solar energy
6.51 kWh/m²
Travel score
5.2
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 Roatan reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262927
272927
282927
292927
302927
312927

How August really feels in Roatan

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.

Roatan weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°16417.311.16.0
Feb26° / 25°6410.511.56.9
Mar26° / 25°549.511.97.4
Apr27° / 26°274.912.47.8
May28° / 27°447.612.86.8
Jun28° / 27°569.9135.8
Jul28° / 27°6113.612.95.8
Aug28° / 27°8215.412.55.2
Sep29° / 27°12117.812.14.6
Oct28° / 26°3092311.64.4
Nov27° / 25°31022.511.24.7
Dec26° / 25°17419.8115.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46139
56139
66040
76040
86040
96040
105941
116040
126040
135941
145941
155842
165842
175842
185743
195743
205743
215644
225446
235446
245347
255347
265248
275248
285248
295248
305248
315149

Chance of precipitation in August

Any precipitation

Roatan gets around 82 mm of rain over 15.4 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 49% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
546
646
746
847
948
1048
1149
1249
1350
1450
1551
1651
1752
1852
1952
2052
2153
2252
2352
2452
2551
2651
2750
2850
2950
3049
3149

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11684
21684
31684
41684
51684
61684
71684
81684
91684
101684
111684
121783
131783
141783
151783
161783
171783
181783
191684
201684
211684
221684
231684
241684
251585
261585
271585
281486
291486
301486
311486

Wind in August

Winds average 21 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2420breezy
2520breezy
2620breezy
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3119light breeze

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 5:30 AM to 5:36 AM, and sunset from 6:14 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:306:14
212.75:306:14
312.75:316:14
412.75:316:13
512.75:316:13
612.75:316:12
712.75:326:12
812.75:326:11
912.65:326:11
1012.65:326:10
1112.65:336:10
1212.65:336:09
1312.65:336:09
1412.65:336:08
1512.65:336:07
1612.65:346:07
1712.55:346:06
1812.55:346:06
1912.55:346:05
2012.55:346:04
2112.55:356:04
2212.55:356:03
2312.55:356:02
2412.45:356:02
2512.45:356:01
2612.45:356:00
2712.45:365:59
2812.45:365:59
2912.45:365:58
3012.45:365:57
3112.35:365:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.51 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.95 kWh/m² in April across the year — August's 6.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Roatan

In seasonPeak

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

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

Roatan's monsoon runs October–January, 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 Roatan?

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

5.2
Sightseeing
9th-best month of the year
6.2
Beach & pool
7th-best month of the year

August is a reasonable time to visit Roatan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Roatan in August

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

In August, Roatan sees daytime highs around 28°C and nights near 27°C. Pack light clothes, rain gear and sun protection. Worth having: a windbreaker. About 15 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Roatan in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 30°C and coldest in February near 27°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
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Roatan 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 Roatan peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 22UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Roatan 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 Roatan is worst in July — around 33 µg/m³ PM2.5 (moderate), about 5.9× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1232 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr18Moderate
May22Moderate
Jun30Moderate
Jul33Moderate
Aug22Moderate
Sep13Moderate
Oct10Good
Nov6Good
Dec6Good
Location & terrain

Where is Roatan?

Roatan sits at 16.3°N, 86.5°W, 0 m above sea level, in Honduras. The nearest listed city is La Ceiba, 67 km away.

La CeibaSonagueraTocoaOlanchitoSabáArizonaTelaYoro

Topography around Roatan

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

Within 3 km, the terrain around Roatan has only modest variations in elevation — a maximum elevation change of 224 m around an average of 36 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 224 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,182 m.

The land around Roatan is covered by trees (51%) and water (43%) within 3 km, water (91%) within 16 km, and water (85%) within 80 km.

3 km
224 m
16 km
224 m
80 km
2,182 m
treesgrasslandartificial surfaceswater
August weather nearby: La Ceiba 67 km · Sonaguera 79 km · Tocoa 91 km · Olanchito 93 km · Sabá 99 km · Arizona 112 km · Tela 116 km · Yoro 145 km

Honduras travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$3,598
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
66%
of population, 2024
Homicide rate
31.4
per 100k, 2023
Road deaths
16.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 553
Religion
Evangelical 55%Roman Catholic 33%none 10%

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 Roatan (16.3155°, -86.5397°, elevation 0 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).