Ascension Island weather in October 2025

Q: How hot is it in Ascension Island in October?

Daytime temperatures usually reach 26°C in Ascension Island in October with low heat and humidity, falling to 23°C at night.

Q: How sunny is it in Ascension Island in October?

There are normally 5 hours of bright sunshine each day in Ascension Island in October - that's 42% of daylight hours.

Q: How warm is the sea around Ascension Island in October?

The average sea temperature around Ascension Island in October is 24°C.

Q: Does it ever rain in Ascension Island in October?

There are usually 17 days with some rain in Ascension Island in October and the average monthly rainfall is 15mm.

Expect 26°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Ascension Island in October. Check more long-term weather averages for Ascension Island in October before you book your next holiday to St Helena & Islands in 2025/2026.

26
26°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
15
15 mm of monthly rainfall
11
11+ (Extreme) UV index
24
24°C sea temperature

More about Ascension Island

Ascension Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Helena & Islands

Momondo: Compare latest car hire deals

Sale

Search & compare the best car hire deals
Free 48-hour cancellation policy & no hidden charges
Check prices with Avis, Europcar, Sixt & more

Go to Momondo deal >>

View all Momondo offers

The October weather guide for St Helena & Islands (Ascension Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in Ascension Island in October?

Daytime temperatures usually reach 26°C in Ascension Island in October with low heat and humidity, falling to 23°C at night.

How sunny is it in Ascension Island in October?

There are normally 5 hours of bright sunshine each day in Ascension Island in October - that's 42% of daylight hours.

How warm is the sea around Ascension Island in October?

The average sea temperature around Ascension Island in October is 24°C.

Does it ever rain in Ascension Island in October?

There are usually 17 days with some rain in Ascension Island in October and the average monthly rainfall is 15mm.

Ascension Island October sunrise & sunset times

Browse the sunrise and sunset times for Ascension Island in October 2025. Select a month to view Ascension Island sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec