Montego Bay is warmest in August, averaging 31° by day and 28° at night. The wettest month is November with 195 mm, and the year brings about 1438 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 29° | 25° | 43 mm | 28° | 11.0 h | Beach weather |
| February | 29° | 25° | 36 mm | 27° | 11.4 h | Beach weather |
| March | 30° | 25° | 47 mm | 27° | 11.9 h | Beach weather |
| April | 31° | 26° | 78 mm | 28° | 12.4 h | Beach weather |
| May | 31° | 27° | 155 mm | 29° | 12.9 h | Mild |
| June | 31° | 27° | 189 mm | 29° | 13.1 h | Rainy season |
| July | 31° | 27° | 112 mm | 29° | 13.0 h | Mild |
| August | 31° | 28° | 174 mm | 30° | 12.6 h | Mild |
| September | 31° | 28° | 177 mm | 30° | 12.1 h | Mild |
| October | 30° | 27° | 158 mm | 30° | 11.6 h | Mild |
| November | 29° | 26° | 195 mm | 29° | 11.1 h | Rainy season |
| December | 29° | 25° | 74 mm | 28° | 10.9 h | Beach weather |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: January, February, March, April and December — highs around 29°, nights no colder than 25°, and at most 78 mm of rain in a month. The sea sits at 27–28° then.
Wet season: June and November — up to 195 mm in a single month.