The best times to visit Port Antonio for ideal weather are
November 12th to May 13th
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.
Port Antonio Travel Guide
Other Port Antonio Travel Info
Weather in Port Antonio
Average temperatures in Port Antonio 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 Port Antonio, 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.
Port Antonio Temperatures (Fahrenheit)
Port Antonio 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.
Port Antonio Perceived Temperature (F)
Port Antonio Perceived Temperature (C)
Average Port Antonio 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)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Port Antonio 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 Port Antonio? 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.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Port Antonio.
Snow on the Ground
The graph below shows the average snow on the ground in Port Antonio (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
Port Antonio 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 Port Antonio 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 Port Antonio.
The graph below shows wind speed (max and average) in knots.
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|
Is it Safe to Travel to Port Antonio?
Our best data indicates this area is somewhat safe. As of Oct 07, 2019 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. This advisory was last updated on Sep 05, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Port Antonio, 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 Port Antonio 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
Overall Port Antonio 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 Port Antonio, 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 Port Antonio 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.