Port Antonio weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Port Antonio weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Day
31 °C
Night
24 °C
Sea
29 °C
Precipitation
150 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
7 hours
average
Humidity
78 %
Day
31 °C
Night
24 °C
Sea
29 °C
Precipitation
150 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
7 hours
average
Humidity
78 %
Overview: Port Antonio
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Activities in Port Antonio
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Tropical beaches
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Picturesque beaches
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Weather overview for Port Antonio
Weather overview
Port Antonio (Jamaica) is a place with a tropical climate. Temperatures during the day are in the range from 28 °C (82 °F) in January to 31 °C (87 °F) in August. Temperatures during the night go from 22 °C (71 °F) in January to 24 °C (75 °F) in September. The least rainy month in Port Antonio is February with its 4 days of rain, the rainiest month is October, when it rains 12 days. The highest sea temperatures in Port Antonio are in September with 29 °C (85 °F) and the lowest in February with 27 °C (80 °F).
January weather
The day temperature is on its minimum, the value of this measure is 28 °C (82 °F) in Port Antonio, while the descent of the sea temperature can be observed, with its value being 27 °C (81 °F). The number of rainy days descents similarly to the previous month, with its value of 5 days. The ongoing dry season is noticeable in January. The night temperature reaches its minimum, the value of this measure is 22 °C (71 °F). The number of sun hours (without clouds) rise's start could be observed.
February weather
The minimum of the number of rainy days can be noticed, its value is 4 days in Port Antonio, and the minimum of the rainfall amount is observable too, the value of this measure is 57 mm (2.25 in). The minimum of the sea temperature can be noticed in February. There is pending dry season in February.
March weather
The beginning of the rise of the day temperature could be noticed, with its value of 28 °C (83 °F) in Port Antonio. The dry season is close to its peak in March. The rainfall amount starts to rise in March.
April weather
The rise of the day temperature can be observed, its value is 29 °C (84 °F) in Port Antonio, while the night temperature starts to rise, its value is 22 °C (72 °F). The beginning of the rise of the number of rainy days could be noticed, with its value of 5 days, while the rainfall amount rises similarly to the previous month, its value is 100 mm (3.94 in). The dry season is close to its peak this month. The maximum of the number of sun hours (without clouds) can be noticed, with its value being 8 hours.
May weather
The sea temperature rise's start could be observed, with its value being 28 °C (82 °F) in Port Antonio, while the night temperature continues to rise, with its value of 23 °C (73 °F). The number of rainy days rises similarly to the previous month, its value is 9 days, and the rise of the rainfall amount can be observed too, with its value being 203 mm (7.98 in). The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value of 7 hours.
June weather
The number of rainy days starts to descent in Port Antonio, and the rainfall amount descent's start could be observed as well, with its value being 166 mm (6.55 in). The maximum of the wind speed can be noticed in June. The day length is on its maximum, with its value of 13 hours.
July weather
The beginning of the rise of the day temperature could be noticed in this month in Port Antonio. The rainfall amount descents similarly to the previous month, its value is 144 mm (5.68 in). The humidity reaches its minimum, the value of this measure is 76 %. The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value of 7 hours.
August weather
The number of rainy days starts to rise, with its value of 10 days in Port Antonio, and the rainfall amount starts to rise too in August. The day temperature reaches its maximum, with its value of 31 °C (87 °F), while the beginning of the rise of the night temperature could be noticed in August.
September weather
The sea temperature reaches its maximum, its value is 29 °C (85 °F) in Port Antonio, and the night temperature reaches its maximum too in September. The rise of the number of rainy days can be observed, with its value of 12 days, and the rainfall amount continues to rise too, the value of this measure is 200 mm (7.87 in). The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value being 6 hours. The wind speed is on its minimum in September.
October weather
The maximum of the number of rainy days can be noticed, the value of this measure is 12 days in Port Antonio, and the rainfall amount is on its maximum as well, with its value being 284 mm (11.18 in). The day temperature starts to descent, with its value of 30 °C (85 °F). The maximum of the humidity can be noticed. The minimum of the number of sun hours (without clouds) is observable, with its value being 6 hours.
November weather
The beginning of the descent of the sea temperature could be noticed, its value is 28 °C (83 °F) in Port Antonio, while the descent of the day temperature can be observed, with its value being 29 °C (84 °F). The number of rainy days starts to descent, its value is 8 days, and the rainfall amount starts to descent as well. The night temperature descent's start could be observed, its value is 23 °C (73 °F).
December weather
The descent of the day temperature can be observed in Port Antonio, and the descent of the sea temperature can be observed too, with its value being 28 °C (82 °F). The descent of the rainfall amount can be observed, with its value of 211 mm (8.31 in), and the number of rainy days continues to descent as well, with its value of 6 days. The descent of the night temperature can be observed, with its value being 22 °C (71 °F). The minimum of the day length is observable in December.
FAQs
How many rainy days can I expect in Port Antonio in January?
There are 5 days, which are rainy in Port Antonio in January, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.1 days of the week, or in general - 16 % days.
Are there good conditions to visit in Port Antonio in February?
February is one of the best months to visit Port Antonio. The temperature during the day will be nice 28 °C (82 °F). The seawater temperature reaches ideal 27 °C (80 °F). At night, temperatures hover around a pleasant 22 °C (71 °F). There are only 4 days of rain in the whole month, so you can leave your umbrella at home.
What is the sea temperature in March in Port Antonio?
The sea will reach 27 °C (80 °F) in March in Port Antonio. Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.
Is there a wet season in Port Antonio in April?
No, there is no wet season in April in Port Antonio - you can expect 5 days of rain during the month.
Is May part of the dry season in Port Antonio?
No, May is not a dry month in Port Antonio, expect rain approximately 9 days in a month.
How many sunny hours can I expect in Port Antonio in June?
In Port Antonio in June, you can expect around 7 hours of sunshine.
What is the night temperature in Port Antonio in July?
The average night temperature in July in Port Antonio is 23 °C (73 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
What is the humidity in Port Antonio in August?
Humidity in August in Port Antonio is 78 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
How windy is it in September in Port Antonio?
In Port Antonio in September, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
Is it hot in Port Antonio in November?
In Port Antonio in November, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What temperature can I expect during the day in December in Port Antonio?
In December in Port Antonio, the average daily temperatures will be 28 °C (82 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
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