Beau Fixe
Newcastle

🇦🇺 Australia · Oceania & Pacific

Newcastle weather in December

Ideal — one of the best times of year

Afternoon
26 °C
Night
19 °C
Sea temperature
21.2 °C
Rainy days
10 days
Relative humidity
72 %

54% of days reached 25 °C over the last 10 years

📷 Lucius Crick · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January27.1 °C22.8 °C12 daysPleasant — a good time to go
February26.3 °C23.5 °C12 daysPleasant — a good time to go
March25.1 °C23.5 °C14 daysPossible, with trade-offs
April22.7 °C22.6 °C12 daysPleasant — a good time to go
May19.8 °C21.1 °C10 daysPleasant — a good time to go
June17.1 °C20 °C10 daysPossible, with trade-offs
July17.1 °C18.9 °C8 daysPossible, with trade-offs
August18.5 °C18.3 °C7 daysPossible, with trade-offs
September20.9 °C18.5 °C8 daysPleasant — a good time to go
October22.6 °C19.5 °C11 daysPleasant — a good time to go
November23.9 °C20.3 °C11 daysPleasant — a good time to go
December26 °C21.2 °C10 daysIdeal — one of the best times of year

Before you go

Three things to check once you have picked your dates.

Entry

Entry rules depend on your nationality and change often. Check them before booking.

Official entry requirements ↗

Safety

No specific restrictions

Usual precautions apply.

Official advice updated 19 March 2026

UK Foreign Office

Health

Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.

Health advice ↗

Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.

FAQ

Can you swim in Newcastle in December?

The sea averages 21.2°C in December — swimming is possible but brisk.

How hot is Newcastle in December?

Expect 26°C in the afternoon and 19°C at night, averaged over the last 10 years.

Does it rain a lot in Newcastle in December?

Around 10 days with rain (≥ 1 mm) in the month — 32% of days.

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