November weather forecast
Saint Helena Island, Saint Helena, Ascension and Tristan da Cunha

In November, the island reaches a pivotal moment in its climatic pattern, with the weather moving steadily towards its summer disposition. A consistent sea temperature, coupled with diminishing rainfall, graces the island with idyllic days. The higher temperatures draw a variety of bird species to the island, offering an exciting opportunity for bird-watchers. The weather in November is marked by the lowest rainfall, around 30mm (1.18"), against a backdrop of stable conditions. These weather patterns, along with the unique flora and fauna, create an enchanting atmosphere throughout November.

Temperature

Saint Helena Island marks the start of November with an average high-temperature of a still enjoyable 19°C (66.2°F), hinting at a slight fluctuation from October's 18°C (64.4°F). Saint Helena Island's evenings during November maintain an average temperature of 15°C (59°F), aligning closely with the daytime temperatures.

Rainfall

November is the month with the least rainfall. Rain falls for 13 days and accumulates 30mm (1.18") of precipitation.

Sea temperature

In Saint Helena Island, the average seawater temperature in November is 21°C (69.8°F).
Note: Swimming in water with a temperature of 21°C (69.8°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.

Daylight

In Saint Helena Island, the average length of the day in November is 12h and 52min.
On the first day of the month, sunrise is at 05:45 and sunset at 18:27. On the last day of November, sunrise is at 05:41 and sunset at 18:41 GMT.

Sunshine

In Saint Helena Island, the average sunshine in November is 13h.

UV index

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for average individuals.
Note: In November, the maximum UV index of 12 transforms into these recommendations:
Carry out all vital precautions. Protection from sun exposure is a must. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.