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July Weather in Portmore, Jamaica

Last updated: August 23, 2025

In July, the average temperature in Portmore, Jamaica hovers around 28°C (82°F). Expect a comfortable minimum of 24°C (75°F) and a warmer maximum of 34°C (93°F). While enjoying the delightful weather, be prepared for 37 mm (1.5 in) of precipitation spread across 9 days, accompanied by an average humidity level of 79%.

July Temperature in Portmore

In July in Portmore, the average temperature is 28°C (82°F), with maximums reaching up to 34°C (93°F) and minimums dropping to 24°C (75°F). This warm and inviting climate makes it an ideal destination for travelers seeking sun-soaked adventures and outdoor activities.

July Weather in Portmore: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Portmore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portmore, July typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec767677787981828281797877
Data source: Temperature data for Portmore generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Portmore

In Portmore in July, the precipitation amount is 37 mm (1.5 in) over a span of 9 days.

July Precipitation Trends in Portmore

The chart displays monthly precipitation patterns in Portmore, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Portmore, July typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2524377111249389112218611028
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Portmore

In Portmore in July humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

July Average Humidity in Portmore

This chart illustrates the average monthly humidity levels in Portmore, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Portmore is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%75%76%77%79%79%78%77%76%78%77%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Portmore

In Portmore in July, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Portmore.

Maximum UV Index Levels in Portmore for July

The chart shows the monthly maximum UV Index (UVI) for Portmore in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Portmore typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313121298
Data source: Portmore July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Portmore Compares to Other Months

Weather in Portmore varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Portmore, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Portmore, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)25 mm (1.0 inches)76%very high
February Weather25°C (77°F)24 mm (0.9 inches)76%extreme
March Weather25°C (77°F)37 mm (1.4 inches)75%extreme
April Weather25°C (78°F)71 mm (2.8 inches)76%extreme
May Weather26°C (79°F)112 mm (4.4 inches)77%extreme
June Weather27°C (81°F)49 mm (1.9 inches)79%extreme
July Weather28°C (82°F)37 mm (1.5 inches)79%extreme
August Weather28°C (82°F)90 mm (3.6 inches)78%extreme
September Weather27°C (81°F)122 mm (4.8 inches)77%extreme
October Weather26°C (79°F)185 mm (7.3 inches)76%extreme
November Weather26°C (79°F)110 mm (4.3 inches)78%very high
December Weather25°C (78°F)28 mm (1.1 inches)77%very high

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