Gymea Bay Weather in January

What's the weather like in Gymea Bay (New South Wales) in January 2025?

The climate in Gymea Bay during January can be summarized as warm and wet.

January is in the summer in Gymea Bay and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 18°C (64°F) is normal.

Gymea Bay weather averages (imperial / metric)
Daytime temperature 26.5°C 79.6°F
Nightly temperature 18°C 64.3°F
Average temperature 22.2°C 72°F
Daily sunshine 7.6 hrs
Avg rainfall 125 mm 4.9 ins
Rainy days 12 days
Sea temperature 23.4°C 74.1°F
Humidity 65%
Windspeed 15.1kph 9 mph

On average January is the 4th wettest month of the year in Gymea Bay with around 125mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.6 hours of sunshine per day.

January temperatures in Gymea Bay

Gymea Bay average temperature in January

January rainfall

Gymea Bay average rain in January

January hourly sunshine

Gymea Bay average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Gymea Bay in January 2024.

Other monthly averages

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Gymea Bay weather stats

Gymea Bay weather statistics
Hottest month: January 26.2°C 79.2°F
Driest month: September 56mm 2.2ins
Sunniest month: August 7.9hrs
Coldest month: July 16.6°C 61.9°F
Wettest month: March 156mm 6.1ins
Map showing location of Gymea Bay (-34.05, 151.08333) Gymea Bay map pin © Google

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