Montego Bay, Jamaica Climate & Monthly Averages
Montego Bay has a tropical wet-and-dry climate. July is the hottest month, averaging 88° by day; February is the coldest at 83°.
Rain, not cold, divides the year in 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.
The wet-and-dry rhythm at a glance
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.
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.
More climate facts for Montego Bay
- 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%
Choosing the right part of the year in Montego Bay
Choose dates by rain, not just temperature
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.
What the humidity changes
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).
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Montego Bay's coldest night and 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
Looking for warmer alternatives? Browse warm places by month, or compare Montego Bay's coolest part of the year: January, February, December.
Monthly temperature and rain 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% |
How Montego Bay compares for rain and warmth
- 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.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather 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.
Questions about heat and rain in Montego Bay
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?
Montego Bay temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.