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Climate & Weather in Roatán

Temperature
23–31°C
Snowfall
None (tropical island)
Peak Tourist Season
Mid-December to April, with secondary peak in July-August

Updated July 2026 · Sources cited: climatestotravel.com, roatan.online

Good to Know

  • Despite having a 'rainy season,' Roatan often receives more sunshine than travel blogs suggest—the pattern typically involves clear mornings and brief afternoon showers rather than all-day rain.
  • Weather is very stable throughout the year with minimal seasonal temperature variation, making it genuinely year-round viable for different traveler preferences.
  • Low season (September-November) offers significant cost savings on accommodations and activities, lush green landscapes, and fewer crowds, though with increased rain likelihood.
  • February can bring consecutive rainy days with rain that lasts for hours, whereas September rainy periods typically consist of scattered showers.
  • High season (December-April) brings clearer skies but also cruise ships, peak crowds, and premium pricing—book accommodations well in advance, especially for Christmas/Easter.
  • March-April offers an ideal balance: green, lush landscapes (post-rainy season), stable weather, and lower humidity than summer months.
  • Tropical humidity remains relatively comfortable year-round compared to continental US summer conditions; dew point is a better comfort indicator than raw humidity percentage.

Drier Period

Pattern
Least rainfall but still receives some precipitation. This is the closest to a 'dry' period, though not a true dry season.
Monthly Low Mm
31
Monthly Low Inches
1.2

Months

  • March
  • April
  • May

Wettest Season

Pattern
Rainy season rainfall often comes as short bursts, frequently in the afternoon, with sunny mornings. Heavy downpours can last 30 minutes to a few hours but rarely continue all day.
Monthly High Mm
444
Monthly High Inches
17.5

Months

  • September
  • October
  • November
  • December
  • January

Peak Months

  • October
  • November

Coolest Months

Details
Temperatures occasionally drop below 20°C (68°F) December-March but remain very mild. Late January is the coolest period.
Average Low Celsius
23
Average High Celsius
27
Average Low Fahrenheit
75
Average High Fahrenheit
81

Months

  • December
  • January
  • February

Peak Hot Months

Details
Hottest period occurs in August-September with highs reaching 32°C (90°F) and sometimes 33-34°C (91-93°F) on the hottest days.
Average High Celsius
31
Average High Fahrenheit
88

Months

  • June
  • July
  • August
  • September

Humidity

Level
Tropical, mildly humid to very humid
Note
Humidity is most tolerable January-May. Beginning of year through mid-year offers better dew point conditions.

Tropical rainforest climate with warm temperatures year-round and no true dry season. Temperatures vary only about 10-15°F throughout the year.

Annual Precipitation Mm

1343.68

Annual Precipitation Inches

52.9

Snowfall

None (tropical island)

Low season

September to mid-December (rainy, lower prices, fewer crowds)

Best Months

Details
March-May offer the lowest rainfall and sunniest conditions. December-April brings cooler, stable weather but is peak tourist season with higher prices and crowds.
Summary
March to May for consistently low rainfall; December-April for overall tourist experience

Overall Range Celsius

24.9-30°C (77–86°F)

Overall Range Fahrenheit

77-86°F

Worst Months

Details
October is the rainiest month with the highest number of rainy days. September-October see frequent afternoon thunderstorms and tropical weather waves crossing the island.
Summary
September and October

Hurricane Risk

Status
Extremely low
Frequency
Once every 26 years on average due to island's western location outside main hurricane belt
Official Hurricane Season
June-November
Note
Roatan sits south of the main Atlantic hurricane belt. Last major impact was Hurricane Mitch in 1998; Hurricanes Eta/Iota in November 2020 were the most recent. When tropical systems pass nearby, island typically experiences brief heavy rain and wind, not direct hits.

Water Temperature

Celsius
26-29°C (79–84°F)
Fahrenheit
79-84°F
Note
Warm enough for swimming and diving year-round.

Peak Tourist Season

Mid-December to April, with secondary peak in July-August

AI-generated estimateData refreshed July 2026

These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.

  1. 1.climatestotravel.com
  2. 2.roatan.online
  3. 3.roatantourbase.com
  4. 4.discoverroatan.net
  5. 5.timeanddate.com
  6. 6.weather-and-climate.com
  7. 7.weather-and-climate.com
  8. 8.kupi.com
  9. 9.roatantourismbureau.com
  10. 10.caribeez.com
  11. 11.shevstrolls.com
  12. 12.royalcaribbean.com
  13. 13.casamananaroatan.com
  14. 14.roatantourbase.com
  15. 15.islandhouseroatan.com
  16. 16.tradingeconomics.com

Data last updated July 2026 · Verify anything important.