November weather forecast
Portsmouth, Dominica

November marks the close of the official hurricane season in Portsmouth. Meteorological patterns in this period exhibit a steep decline in average rainfall, hitting 300mm (11.81") per month. While rain showers are less frequent, they're more intense when they do happen. November experiences shorter daylight hours, heralding the upcoming winter months. The sea remains warm, welcoming swimmers and divers.

Temperature

With the advent of November, Portsmouth experiences an average high-temperature of a still tropical 30°C (86°F), reflecting the conditions of October. Portsmouth registers a consistent average low-temperature of 22°C (71.6°F) during November.

Rainfall

November is the month with the most rainfall in Portsmouth. Rain falls for 19 days and accumulates 300mm (11.81") of precipitation.

Sea temperature

In November, the average sea temperature is 28.4°C (83.1°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

The average length of the day in November in Portsmouth, Dominica, is 11h and 25min.
On the first day of the month, sunrise is at 06:02 and sunset at 17:36. On the last day of November, in Portsmouth, sunrise is at 06:16 and sunset at 17:33 AST.

Sunshine

In November, the average sunshine in Portsmouth is 7h.

UV index

The average daily maximum UV index in November in Portsmouth is 9. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 9 in November translates into the following instructions:
Always safeguard yourself; without protection, skin and eyes can get damaged instantly. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Prompt application of a broad-spectrum sunscreen, SPF 30+, is necessary after a swim or an outdoor workout and it should be re-applied every two hours. Stay cautious! Sand and water reflections increase UV radiation potency.