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.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 83° | 72° | 13 | 2.1 in | 10.5 h/day | 11.1 h | 41% | 82% |
| February | 83° | 71° | 12 | 2.1 in | 10.8 h/day | 11.5 h | 42% | 81% |
| March | 84° | 72° | 16 | 2.7 in | 11.3 h/day | 12.0 h | 50% | 81% |
| April | 86° | 73° | 20 | 3.8 in | 11.8 h/day | 12.5 h | 68% | 82% |
| May | 87° | 74° | 24 | 7.7 in | 11.3 h/day | 13.0 h | 77% | 84% |
| June | 88° | 76° | 20 | 5.4 in | 11.2 h/day | 13.2 h | 66% | 83% |
| July | 88° | 77° | 18 | 4.1 in | 12.0 h/day | 13.1 h | 58% | 81% |
| August | 89° | 77° | 22 | 5.5 in | 11.3 h/day | 12.7 h | 71% | 83% |
| September | 89° | 77° | 24 | 6.5 in | 11.1 h/day | 12.2 h | 79% | 84% |
| October | 87° | 76° | 25 | 7.8 in | 10.5 h/day | 11.7 h | 81% | 86% |
| November | 84° | 75° | 18 | 4.4 in | 9.7 h/day | 11.2 h | 60% | 85% |
| December | 83° | 74° | 14 | 2.6 in | 10.1 h/day | 11.0 h | 45% | 83% |
Montego Bay month by month
Average high and low for each month, with the bar showing where it sits in Montego Bay's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 13 days
- Sunshine
- 10.5 h
- Daylight
- 11.1 h
February
- Rain
- 12 days
- Sunshine
- 10.8 h
- Daylight
- 11.5 h
March
- Rain
- 16 days
- Sunshine
- 11.3 h
- Daylight
- 12.0 h
April
- Rain
- 20 days
- Sunshine
- 11.8 h
- Daylight
- 12.5 h
May
- Rain
- 24 days
- Sunshine
- 11.3 h
- Daylight
- 13.0 h
June
- Rain
- 20 days
- Sunshine
- 11.2 h
- Daylight
- 13.2 h
July
- Rain
- 18 days
- Sunshine
- 12.0 h
- Daylight
- 13.1 h
August
- Rain
- 22 days
- Sunshine
- 11.3 h
- Daylight
- 12.7 h
September
- Rain
- 24 days
- Sunshine
- 11.1 h
- Daylight
- 12.2 h
October
- Rain
- 25 days
- Sunshine
- 10.5 h
- Daylight
- 11.7 h
November
- Rain
- 18 days
- Sunshine
- 9.7 h
- Daylight
- 11.2 h
December
- Rain
- 14 days
- Sunshine
- 10.1 h
- Daylight
- 11.0 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Montego Bay
March through May
March through May in Montego Bay is hot, with daytime highs averaging 86°F (30°C) and nights around 73°F (23°C); rain falls on around 60 of the 90 days. Daylight is generous - around 11.5 hours of sun a day.
June through August
June through August in Montego Bay sits firmly in the heat, with daytime highs averaging 88°F (31°C) and nights around 77°F (25°C); rain falls on around 60 of the 90 days. Daylight is generous - around 11.5 hours of sun a day.
September through November
September through November in Montego Bay runs hot, with daytime highs averaging 87°F (30°C) and nights around 76°F (24°C); rain falls on around 67 of the 90 days. Daylight is generous - around 10.4 hours of sun a day.
December through February
Through December through February, Montego Bay sits firmly in the heat: 83°F (28°C) by day, 72°F (22°C) after dark, and rain falls on around 38 of the 90 days. Daylight is generous - around 10.5 hours of sun a day.
Climate questions, answered
How much do temperatures drop at night in Montego Bay?
How many rainy days does Montego Bay get in a year?
How much sun does Montego Bay get?
How cold does Montego Bay get in winter?
How long does summer last in Montego Bay?
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).
Montego Bay temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.