July Weather in Portsmouth

Last updated: March 2, 2024

The weather in Portsmouth, Dominica, during July is characterized by an average temperature of 27°C (81°F). Highs can soar to 28°C (82°F), while lows may dip to 25°C (77°F). Typically, the humidity level in Portsmouth throughout July hovers around 84%.

25°C (77°F)

Minimum temperature

27°C (81°F)

Average temperature

28°C (82°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In July, Portsmouth averages 91 mm (3.6 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 12 hours 55 minutes of daylight, with the sun shining for approximately 11 hours 26 minutes each day. Additionally, there is a 54% probability of sunny days during this period.

91 mm (3.6 inches)

Precipitation

21 rainy days

Rainy days

11 hours 26 minutes

Sunshine hours

54%

Chance of sun

UV Index

In July, the UV Index in Portsmouth reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 6 10 12 14 13 10 7 3 1 1 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Portsmouth's Climate with Cities Worldwide