Christmas Island weather in May 2025

Q: How hot is it in Christmas Island in May?

Daytime temperatures usually reach 31°C in Christmas Island in May with high heat and humidity, falling to 20°C at night.

Q: How warm is the sea around Christmas Island in May?

The average sea temperature around Christmas Island in May is 29°C.

Q: Does it rain in Christmas Island in May?

There are usually 13 days with some rain in Christmas Island in May and the average monthly rainfall is 205mm.

Expect 88°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Christmas Island in May. Check more long-term weather averages for Christmas Island in May before you book your next holiday to Christmas Island in 2025/2026.

88
88°F max day temperature
13
13 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
8.1
8.1 inches of monthly rainfall
10
10 (Very High) UV index
84
84°F sea temperature

More about Christmas Island

Christmas Island by month

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

Recommended for Christmas Island

Argus Car Hire: Compare low prices on car hire

Sale

Compare car hire with popular rental companies
Book with no credit card fees & free cancellation policy
Find low prices based on destination & travel dates

Go to Argus Car Hire deal >>

View all Argus Car Hire offers

The May weather guide for Christmas 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) | Imperial (°F)

How hot is it in Christmas Island in May?

Daytime temperatures usually reach 88°F in Christmas Island in May with high heat and humidity, falling to 68°F at night.

How warm is the sea around Christmas Island in May?

The average sea temperature around Christmas Island in May is 84°F.

Does it rain in Christmas Island in May?

There are usually 13 days with some rain in Christmas Island in May and the average monthly rainfall is 8.1 inches.

Christmas Island May sunrise & sunset times

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

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

Date	Sunrise times	Sunset times
Thursday, 1st May 2025	06:02	17:46
Friday, 16th May 2025	06:05	17:43
Saturday, 31st May 2025	06:08	17:42

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Christmas Island - quick facts
Time difference	UK +7 hours
Language(s)	English
Currency	Australian Dollar
Electricity	I plug (230V)
Driving side	Left
Why visit?	Nature
Tourist info	Indian Ocean Territories Regional Development Organisation