Montego Bay, Jamaica Climate & Monthly Averages

The climate of Montego Bay

Temperature barely moves in Montego Bay - 3°C between the average July and the average February. Rainfall does the work instead: 7.8 inches (197 mm) in October against 2.1 inches (53 mm) in January.

Climate quick facts

• Hottest month: July - highs near 88°F (31°C)
• Coldest month: February - highs near 83°F (28°C)
• Decade extremes (2015-2024): 95°F (35°C) high · 64°F (18°C) low
• Wettest month: October (25 rainy days) · Sunniest: July (12.0 h sun/day)
• Climate type: tropical wet-and-dry
• Annual swing: 3°C between the average warmest and coolest month · day to night: 6°C
• Months averaging 30°C or hotter: 6
• Average humidity: 83%

Temperatures through the year

Average highs hold at or above 30°C for 6 months of the year, May through October being the unbroken run. At its warmest, in July, Montego Bay runs to 88°F (31°C) in the afternoon and back to 77°F (25°C) by dawn. February sits at the other end of the year: 83°F (28°C) by day, 71°F (22°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 95°F (35°C) and the lowest daily minimum 64°F (18°C). July is the brightest month at 12.0 hours of sun a day, against an annual average of 11.0 - sunnier than 95% of the 3496 cities in our dataset.

Rain, sun and snow

Days and nights are about 6°C apart on average - narrower than about 89% of the cities we track. October is the wettest month at 7.8 inches (197 mm) over 25 days; January is the driest. Relative humidity averages 83% across the year, more humid than 94% of the 3496 cities in our dataset - enough that summer afternoons feel hotter than the thermometer says, which is what the dew point converter is for.

How Montego Bay compares

• Rain or snow reaches the ground on 225 days a year - more wet days than 94% of the 3496 cities we track.
• Its warmest and coolest months are 3°C apart - a steadier year than all but 9% of the 3496 cities we track.
• Montego Bay averages 79°F (26°C) across the year - warmer than 90% of the 3496 cities we track.

Ranked against every city in our dataset, each measured on the same ten-year window.

Best time to visit Montego Bay

The best time to visit Montego Bay is generally December to March, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 83°F (28°C), with rain on about 13 days a month. For the same question asked the other way round, see where else is warm in December.

Pack for Montego Bay with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: July pairs 88°F (31°C) with 77°F (25°C).