The best times to visit Portmore for ideal weather are
late February and early March
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Portmore Travel Guide
Weather in Portmore
Average temperatures in Portmore vary barely at all and are too warm to be considered temperate for most. The area is in the bottom 1 percent of tourist destinations for pleasant weather. 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 early August where highs are regularly around 90.8°F (32.7°C) with temperatures rarely dropping below 77.9°F (25.5°C) at night.
Portmore Temperatures (Fahrenheit)
Portmore Temperatures (Celsius)
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)
Portmore Perceived Temperature (C)
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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
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.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Portmore.
Snow on the Ground
The graph below shows the average snow on the ground in Portmore (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Portmore has slightly low to average humidity compared to most tourist destinations. The least humid month is January (60% relative humidity), and the most humid month is October (66.4%).
Wind in Portmore is usually stronger than usual. The windiest month is June, followed by July and May. June’s average wind speed of around 11.6 knots (13.3 MPH or 21.5 KPH) is considered “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.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
|Jan||7.7||a gentle breeze||16.7||a moderate breeze|
|Feb||8.2||a gentle breeze||17.3||a fresh breeze|
|Mar||8.1||a gentle breeze||17||a moderate breeze|
|Apr||8.9||a gentle breeze||18.2||a fresh breeze|
|May||9.2||a gentle breeze||18.7||a moderate breeze|
|Jun||11.6||a moderate breeze||21.3||a fresh breeze|
|Jul||10.6||a gentle breeze||21.4||a moderate breeze|
|Aug||9||a gentle breeze||19.2||a fresh breeze|
|Sep||7.6||a gentle breeze||16.9||a moderate breeze|
|Oct||6.8||a light breeze||15.6||a moderate breeze|
|Nov||7||a gentle breeze||15.1||a moderate breeze|
|Dec||7.8||a gentle breeze||16.3||a moderate breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Portmore?
As of 5/19/2017 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.
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. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have hot weather with high temperatures that are quite warm. June – August is slow/unreported season for tourism in Portmore, so lodging and other accommodations may cost as much as usual.
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 warmer than comfortable given the humidity and wind. Tourism is slow/unreported during these months due to the weather, so hotels may be normally 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). These times of year are slow/unreported with tourists.