Climate averages 1991–2020
Montego Bay weather
in July.
A hot, wet month: the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Montego Bay: daytime highs average 32.4°C and nights cool to about 25.1°C. By daytime temperature it is the warmest month of the year.
Expect about 138 mm of rain on roughly 23 days, which makes July a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 07 min on an average July day.
The nearest other city in this atlas is Spanish Town (115 km away). In July its highs average 31.4°C, 1.0°C cooler than Montego Bay, with 52 mm of rain.
Among the 4 cities listed in Jamaica, Montego Bay ranks 1st of 4 for the warmest July highs and 4th of 4 for the driest July (rainfall, lowest first). The mean July high of those 4 cities is 31.9°C; Montego Bay is 0.6°C warmer than that mean.
From July to August, average highs fall by 0.2°C to 32.3°C, and monthly rainfall rises from 138 mm to 171 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Montego Bay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C22.1°C | 22.1°C | 44 | 11.4 | 11.211 h |
| February | 29.5°C21.9°C | 21.9°C | 41 | 11.5 | 11.512 h |
| March | 30.3°C22.2°C | 22.2°C | 58 | 12.7 | 12.012 h |
| April | 31.2°C23.1°C | 23.1°C | 93 | 16.3 | 12.613 h |
| May | 31.4°C24.1°C | 24.1°C | 220 | 23.8 | 13.013 h |
| June | 32.2°C25.0°C | 25.0°C | 148 | 21.8 | 13.213 h |
| July, selected | 32.4°C25.1°C | 25.1°C | 138 | 23.3 | 13.113 h |
| August | 32.3°C25.3°C | 25.3°C | 171 | 26.1 | 12.813 h |
| September | 31.7°C25.1°C | 25.1°C | 205 | 25.9 | 12.312 h |
| October | 30.7°C24.7°C | 24.7°C | 182 | 24.7 | 11.712 h |
| November | 29.5°C23.8°C | 23.8°C | 91 | 16.4 | 11.311 h |
| December | 29.0°C22.9°C | 22.9°C | 50 | 11.4 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Spanish Town in JulyJamaica · 115 kmHigh 31.4°C · Low 25.2°C · 52 mm rain
- Portmore in JulyJamaica · 122 kmHigh 31.5°C · Low 25.3°C · 52 mm rain
- Kingston in JulyJamaica · 130 kmHigh 32.1°C · Low 24.5°C · 53 mm rain
- Manzanillo, Cuba in JulyCuba · 224 kmHigh 33.6°C · Low 24.6°C · 119 mm rain
- Bayamo in JulyCuba · 250 kmHigh 33.6°C · Low 23.5°C · 123 mm rain
- Contramaestre in JulyCuba · 269 kmHigh 33.4°C · Low 23.7°C · 79 mm rain
- Palma Soriano in JulyCuba · 280 kmHigh 32.8°C · Low 23.6°C · 93 mm rain
- Santiago de Cuba in JulyCuba · 280 kmHigh 32.4°C · Low 25.0°C · 56 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Montego Bay) is explained once on the Montego Bay year overview and on the Sources, method and limits page.