Jamaica (Montego Bay) Weather by Month
Montego Bay, Jamaica
The best time to visit Jamaica (Montego Bay) for dry, calm weather is January, February and December, when rain falls on only 10.2 to 10.9 days a month and storm activity is low or absent in the records. The wettest month is September, with 24.8 rain days. Pick a month below to see its full numbers, or use the trip odds tool on any month page for your exact dates.
Average highs run from 82.1°F in January to 88.4°F in August. Sea temperature ranges from 81.2°F in February to 87.6°F in September.
Hurricane season here runs June 1 to November 30. In the storm history we hold, September has the most recorded storm days (6 storm days since 1985). This is a look at the past, not a forecast, so book a flexible rate if you travel in season.
Jamaica (Montego Bay) monthly averages
| Month | High | Low | Rain days | Rain (in) | Humidity | Sea | Storm days |
|---|---|---|---|---|---|---|---|
| January | 82.1°F | 72.2°F | 10.7 | 1.7 | 81% | 82.3°F | 0 |
| February | 82.9°F | 71.8°F | 10.2 | 1.6 | 79% | 81.2°F | 0 |
| March | 84.1°F | 72.1°F | 12.7 | 2.3 | 79% | 81.9°F | 0 |
| April | 85.6°F | 73.4°F | 16.9 | 3.5 | 80% | 82.7°F | 0 |
| May | 86.6°F | 75.3°F | 22.9 | 7.7 | 82% | 84.6°F | 0 |
| June | 87.8°F | 77.1°F | 21.1 | 6 | 82% | 85°F | 0 |
| July | 88.2°F | 77.6°F | 21.4 | 5.1 | 81% | 85.1°F | 3 |
| August | 88.4°F | 77.8°F | 24.2 | 6.3 | 83% | 86.4°F | 5 |
| September | 87.9°F | 77.5°F | 24.8 | 7.7 | 84% | 87.6°F | 6 |
| October | 86°F | 76.5°F | 24.7 | 7.9 | 85% | 87.3°F | 2 |
| November | 83.7°F | 75.1°F | 15.7 | 3.6 | 84% | 85.3°F | 2 |
| December | 82.7°F | 73.6°F | 10.9 | 2.2 | 82% | 83.6°F | 0 |
Weather data by Open-Meteo.com (CC BY 4.0) and the NOAA National Hurricane Center. Data updated September 2026. How we calculate.
Frequently asked questions
What is the best time to visit Jamaica (Montego Bay)?
For dry weather with little storm risk, January, February and December are the best months, with 10.2 to 10.9 rain days a month. A rain day is at least 0.04 inches of rain, and is often a short shower.
What is the rainiest month in Jamaica (Montego Bay)?
September, with about 24.8 rain days on average over 30 years of daily records.
What is the hottest month in Jamaica (Montego Bay)?
August, with average highs of about 88.4°F. The coolest month is January, at about 82.1°F.
How warm is the sea in Jamaica (Montego Bay)?
Sea temperature averages 81.2°F in February and 87.6°F in September. It comes from a short marine record of about 4 years, so read it as a recent average.
When is hurricane season in Jamaica (Montego Bay)?
June 1 to November 30. September has the most recorded storm days in our history. Storm history starts in 1985 and is not a forecast.