Weather

Average temperatures in Jamaica range between 80 degrees Fahrenheit and 90 degrees Fahrenheit, with July and August being the hottest months and February the coolest. Temperatures in Jamaica generally vary approximately 10 degrees from summer to winter. Nevertheless, you should be prepared for winter in Jamaica to be slightly cooler, especially at the higher altitudes. In the mountains, the thermometer can dip to 40 degrees Fahrenheit (4 degrees Celsius).

The rainiest weather in Jamaica occurs in May and June and again in October and November and can sometimes extend into December. While the average annual rainfall is 50.7 inches, accumulation varies dramatically across the island. In contrast to the southwestern coast of Jamaica, which receives little rain and is often classified as semi barren, the eastern (windward) coast receives considerably more rain than anywhere else on the island. For the most part when it does rain in Jamaica, showers are short, heavy and followed by sunshine leading to the very green and lush back drop.

Jamaica does lie in the hurricane belt, and the official hurricane season runs from June 1 to November 30, with August and September being the peak months. However, the Caribbean region is more vast than most people think, and the chances of any single island being hit directly by a hurricane are very slim. Most often, islands will only receive the heavy rains that come on the outskirts of a hurricane, avoiding the most extreme weather conditions. Direct hits on Jamaica by major storms are so rare, in fact, that many elder Jamaican inhabitants still relate events in history to being before or after “the storm” because they may have only seen one or two of significance in their lifetimes.

Additionally, with today’s meteorological technology, advanced warnings for hurricanes will reach you long before you are ever in danger, so keeping an eye on the weather in Jamaica and this will go a long way toward keeping you prepared. If you hear that a hurricane has hit before you are to arrive, all is not lost. You may not have to alter your plans, but do call ahead to verify current atmospheric conditions and extent of damage to the island; you may also want to check local news and business, the internet makes all this very simple today.

The following statistical weather data is from a weather station in Montego Bay, Jamaica. Keep in mind that on an island the size of Jamaica, the climate will vary slightly across the island. Particularly, it gets noticeably cooler in the evening breeze of the higher altitudes, so when visiting Jamaica’s mountainous interior, you’ll want to keep a light jacket handy for when the sun goes down. All in all, though, this information should give you a good idea of what to expect of your time in Jamaica.

Month

Avg. Daily High Temp (Degrees Fahrenheit)

Avg. Daily Low Temp (Degrees Fahrenheit)

Avg. Monthly Precip. (inches)

% Days with Rain

January

82.3

74.2

2.7

36

February

82.3

74.3

1.8

34

March

83.7

75.0

2.3

29

April

85.0

76.4

2.5

31

May

86.5

78.0

5.9

42

June

88.0

78.7

5.5

40

July

88.4

78.2

2.9

30

August

88.5

78.3

5.2

35

September

87.9

77.9

6.1

47

October

86.7

77.6

7.4

47

November

84.9

77.0

5.5

45

December

83.1

75.0

3.6

39

 

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