Weather in Roatan in August 2025
Average weather
Average temperature in Roatan in August
Going from a maximum of +84°F during the day to a minimum of +77°F during the night, the temperature in August averages around +84°F.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +82°F to +84°F.
Is Roatan warm or cold in August?
Roatan is typically warm in August.
Maximum temperatures go up compared to the previous month from +81°F to +82°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Roatan, here is the comparison with other months:
Climate in Roatan in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +81°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +75°F | +75°F | +75°F | ||||
| Max. temperature | ||||||
| +84°F | +86°F | +86°F | ||||
| Rainfall | ||||||
| 67 mm | 86 mm | 127 mm | ||||
| Wind | ||||||
| 6 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 84% | 83% | 82% | ||||
| Air pressure | ||||||
| 1012 HPa | 1011 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 1 | ||||
| Cloudy days | ||||||
| 7 | 5 | 4 | ||||
| Rainy days | ||||||
| 21 | 23 | 24 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +81°F to +82°F during the day. Prepare for more rain. Average rainfall goes from 67 mm to 86 mm. It feels drier, as humidity decreases from 84% to 83%. Winds are calmer in comparison to July, going down from 6 m/s to 5 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Roatan is gradually decreasing during August, going from 5 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Roatan?
Climate Change Over the Years
The climate in Roatan in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+79°F) and the highest in 2021 (+82°F). The driest year was 1994 with only 730 mm of rainfall, and the wettest year was 1980 with 2296 mm.
FAQ
Is August a good time to visit Roatan?
Can you sunbathe in Roatan in August?
Is Roatan rainy in August?
Is it sunny in Roatan in August?
Monthly weather in Roatan
Source of the data
For this page, we’ve looked at the typical weather in Roatan, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.