Roatan in Summer
In summer (June, July and August), Roatan sees average daytime highs around 28°C and overnight lows near 27°C, with 199 mm of rain over about 39 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels miserable.
Summer is Roatan's 3rd-best season to visit on our travel score. Roatan has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Roatan's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 27°C
- Rainfall
- 199 mm
- 39 wet days
- Avg wind
- 24 km/h
- Travel score
- 5.6
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Roatan in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Roatan reaches about 28°C and drops to 27°C overnight. The warmest of the three months is August, the coolest July.
How summer really feels in Roatan
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Roatan weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 24° | 164 | 17.3 | 11.1 | 6.0 |
| Feb | 26° / 25° | 64 | 10.5 | 11.5 | 6.9 |
| Mar | 26° / 25° | 54 | 9.5 | 11.9 | 7.4 |
| Apr | 27° / 26° | 27 | 4.9 | 12.4 | 7.8 |
| May | 28° / 27° | 44 | 7.6 | 12.8 | 6.8 |
| Jun | 28° / 27° | 56 | 9.9 | 13 | 5.8 |
| Jul | 28° / 27° | 61 | 13.6 | 12.9 | 5.8 |
| Aug | 28° / 27° | 82 | 15.4 | 12.5 | 5.2 |
| Sep | 29° / 27° | 121 | 17.8 | 12.1 | 4.6 |
| Oct | 28° / 26° | 309 | 23 | 11.6 | 4.4 |
| Nov | 27° / 25° | 310 | 22.5 | 11.2 | 4.7 |
| Dec | 26° / 25° | 174 | 19.8 | 11 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Roatan gets around 199 mm of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 24 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Hazard calendar for Roatan
In summer, Roatan overlaps 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.
Is summer a good time to visit Roatan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer 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 Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, 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 39 days see rain.
Sea temperature near Roatan in Summer
The nearest coast averages about 29°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Roatan in Summer
Clear-sky midday UV across summer averages 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 13 | 13 | 12 | 12 | 11 | 12 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Roatan in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 7 | 9 | 18 | 22 | 30 | 33 | 22 | 13 | 10 | 6 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 18 | Moderate |
| May | 22 | Moderate |
| Jun | 30 | Moderate |
| Jul | 33 | Moderate |
| Aug | 22 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
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.
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.
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
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.