The best times to visit Portmore for ideal weather are

November 12th to May 13th

or

June 18th to July 29th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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Weather in Portmore

Temperature

Average temperatures in Portmore vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 30th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Portmore, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 90.8°F (32.7°C) with temperatures rarely dropping below 78.7°F (25.9°C) at night.

Portmore Temperatures (Fahrenheit)

Key
High
Average
Low

Portmore Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Portmore Perceived Temperature (F)

Key
High
Average
Low

Portmore Perceived Temperature (C)

Key
High
Average
Low

 

Average Portmore Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 87.6 79.6 73.4
Feb 87.4 79.3 73.2
Mar 87 79.5 73.6
Apr 88 81.3 75.5
May 88.6 82.5 76.9
Jun 89.8 83.7 78.4
Jul 90.6 84 78.2
Aug 90.4 83.6 77.9
Sep 90.3 83.4 78
Oct 89.8 82.6 77
Nov 88.9 81.5 75.7
Dec 87.7 80.1 74

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.9 26.4 23
Feb 30.8 26.3 22.9
Mar 30.6 26.4 23.1
Apr 31.1 27.4 24.2
May 31.4 28.1 24.9
Jun 32.1 28.7 25.8
Jul 32.6 28.9 25.7
Aug 32.4 28.7 25.5
Sep 32.4 28.6 25.6
Oct 32.1 28.1 25
Nov 31.6 27.5 24.3
Dec 30.9 26.7 23.3


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Portmore are January, April, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 2 days of significant precipitation the week of May 28th.

When can you find snow in Portmore? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Portmore.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Portmore (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 2% 0 0.3
Feb 3% 0 0.3
Mar 4% 0 0.9
Apr 3% 0 0.7
May 10% 0 2.5
Jun 6% 0 0.9
Jul 6% 0 1.5
Aug 11% 0 3.8
Sep 11% 0 2.4
Oct 14% 0 3.9
Nov 8% 0 2
Dec 7% 0 1.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 2 0 0.8
Feb 3 0 0.8
Mar 4 0 2.3
Apr 3 0 1.8
May 10 0 6.4
Jun 6 0 2.3
Jul 6 0 3.8
Aug 11 0 9.7
Sep 11 0 6.1
Oct 14 0 9.9
Nov 8 0 5.1
Dec 7 0 4.1

 

Humidity and Wind

Portmore has some humid months, and above average humidity throughout the year. The least humid month is January (60% relative humidity), and the most humid month is October (66.4%).

Wind in Portmore is usually moderate. The windiest month is June, followed by July and May. June’s average wind speed of around 11.6 knots (13.4 MPH or 21.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late July where average top sustained speeds reach 22.2 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Portmore.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.7 Gentle breeze 16.7 Significant breeze
Feb 8.2 Gentle breeze 17.3 Strong breeze
Mar 8.1 Gentle breeze 17 Significant breeze
Apr 8.9 Gentle breeze 18.2 Strong breeze
May 9.2 Gentle breeze 18.7 Significant breeze
Jun 11.6 Significant breeze 21.3 Strong breeze
Jul 10.6 Gentle breeze 21.4 Significant breeze
Aug 9 Gentle breeze 19.2 Strong breeze
Sep 7.6 Gentle breeze 16.9 Significant breeze
Oct 6.8 Light breeze 15.6 Significant breeze
Nov 7 Gentle breeze 15.1 Significant breeze
Dec 7.8 Gentle breeze 16.3 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 60%
Feb 61%
Mar 61.1%
Apr 62.8%
May 63.2%
Jun 62.6%
Jul 61.4%
Aug 64%
Sep 64%
Oct 66.4%
Nov 63.8%
Dec 61.5%

 

Is it Safe to Travel to Portmore?

Our best data indicates this area is somewhat safe. As of Jan 19, 2018 there are travel warnings for Jamaica; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories


 

The Busiest and Least Crowded Months

The busiest month for tourism in Portmore, Jamaica is January, followed by May and December. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Portmore in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 67.7 in October means 67.7% of the tourists vs. January.


Overall Portmore Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 89.1°F (31.7°C) and 86.7°F (30.4°C) with warmer temperatures in the later months. Rain is rare with 1 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 2 to 4 days of precipitation per month. June – August is fairly slow season for tourism in Portmore, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 90.8°F (32.7°C) and 88.3°F (31.3°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is perfect this time of year in Portmore to be enjoyable for warm weather travelers. The average high during this season is between 88.1°F (31.2°C) and 86.8°F (30.4°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelJamaica › Portmore, Jamaica

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