Your trips
Organise your trips easily with tabs
London
Montego Bay
Any date
+ Search
background

Montego Bay in August: Weather, Average temperature and Climate

Discover the weather for Montego Bay in August and if it’s a good time to travel (based on historical data).
Check flight prices to Montego Bay on Avionero:
August

Weather in Montego Bay in August 2025

OK Weather
Hot
🌧️
Rainy
🌊
Very warm water
August could be a good time to visit Montego Bay, as the weather is generally fine. The average high temperature is around +31°C, and there are typically 0 sunny days in August. However, expect about 13 rainy days, and total monthly rainfall of approximately 153 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+31°C
Avg. max. temperature
+23°C
Min.
+34°C
Max.
153 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
1 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Montego Bay has OK weather in August.

Average temperature in Montego Bay in August

Here are the expected maximum, average and minimum temperatures in Montego Bay for August based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in August is +32°C with a maximum of +33°C and a minimum of +25°C.

The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +32°C to +33°C.

Is Montego Bay warm or cold in August?

Montego Bay is typically hot in August.

Maximum temperatures go up compared to the previous month from +31°C to +31°C. The minimum temperature also goes up from +25°C to +25°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

August is one of the warmest months in Montego Bay, here is the comparison with other months:

Water temperature in Montego Bay in August

Water in Montego Bay in August is Very warm. It varies from +29°C to +31°C, with an average of +30°C. This is almost similar to the air temperature, which averages +31°C.

The water temperature in August is one of the warmest of the entire year:

The warmest water temperatures in Montego Bay are reached in September, when the average sea temperature rises to +30°C. The coldest water temperatures are in January, with an average of +27°C.

Can you swim in Montego Bay in August?

You can definitely swim in Montego Bay in August, the water is very warm (+30°C in average), and might even be unpleasant for ones who like it more fresh.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Don't forget sunscreen and a hat, it's going to be hot!

Climate in Montego Bay in August

Montego Bay weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+31°C+31°C+31°C
Min. temperature
+23°C+23°C+22°C
Max. temperature
+34°C+34°C+33°C
Rainfall
126 mm153 mm176 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+29°C+30°C+30°C
Humidity
76%78%79%
Air pressure
1014 HPa1013 HPa1011 HPa
Sunny days
100
Cloudy days
110
Rainy days
161310
Snowy days
000

August weather is still as ok as in July. The temperature levels stay the same in the area of +31°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 126 mm to 153 mm. Humidity rises from 76% to 78%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 1 sunny days in July to 0 in August.

September brings much the same weather, it remains ok.

Wind

Wind speed in Montego Bay in August based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Montego Bay is gradually increasing during August, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Montego Bay based on historical data.
Last Year
Historical Data
Total precipitation in August is about 150 mm, with a 94% chance of rain on a typical day. The maximum amount of rainfall per day is around 19 mm, which is considered light rain. August is a pretty wet month with over 29 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how August is compared with other months in the amount of precipitation, total mm:
Montego Bay wettest month is May, where a typical day has a 68% chance of precipitation and 179 mm of rainfall per day. January, on the other hand, is the driest month with a mere 65% chance of precipitation and 29 mm of rainfall per day.

How was the weather last August in Montego Bay?

This is the weather in Montego Bay in August 2023:
1 August
☀️
+32°C
2 August
☀️
+31°C
3 August
☀️
+32°C
4 August
☀️
+31°C
5 August
☀️
+33°C
6 August
☀️
+33°C
7 August
☀️
+32°C
8 August
☀️
+32°C
9 August
☀️
+32°C
10 August
☀️
+31°C
11 August
☀️
+31°C
12 August
☀️
+33°C
13 August
☀️
+31°C
14 August
☀️
+31°C
15 August
☀️
+32°C
16 August
☀️
+32°C
17 August
☀️
+31°C
18 August
☀️
+31°C
19 August
☀️
+31°C
20 August
☀️
+32°C
21 August
☀️
+32°C
22 August
☀️
+31°C
23 August
☀️
+31°C
24 August
☀️
+32°C
25 August
☀️
+32°C
26 August
☀️
+29°C
27 August
☀️
+31°C
28 August
☀️
+32°C
29 August
☀️
+33°C
30 August
☀️
+33°C
31 August
☀️
+33°C
In August 2023 Montego Bay had 31 sunny days, 0 cloudy days, and 0 rainy days. The average maximum temperature was +32°C, with an absolute maximum of +33°C and a minimum of +29°C. The average humidity was 83%, with a maximum of 94% and a minimum of 64%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change over Years

This is how Montego Bay climate have been changing during last 43 years period.

The climate in Montego Bay in August has not changed much over the last 43 years.

The average temperature was the lowest in 1996 (+29°C) and the highest in 2023 (+30°C). The driest year was 1997 with only 1001 mm of rainfall, and the wettest year was 2007 with 1587 mm.

FAQ

Frequently asked questions about the weather in Montego Bay in August:

Is August a good time to visit Montego Bay?

It’s always a good time to visit Montego Bay, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Montego Bay in August?

Absolutely, August is hot in Montego Bay. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Can you swim in Montego Bay in August?

Yes, you can swim in Montego Bay in August, the water is very warm, with temperature averaging at +30°C, but it's important to manage hydration and sun exposure.

Is Montego Bay rainy in August?

Montego Bay is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Montego Bay in August?

Usually, it’s not very sunny in Montego Bay in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Jamaica

Check out the weather for other cities in Jamaica.

Monthly weather in Montego Bay

Source of the data

For this page, we’ve looked at the typical weather in Montego Bay, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.