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The best time to visit Mosman

Month-by-month climate averages for Mosman, New South Wales, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Mosman is usually February, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest January rain is behind you.

Mosman is warmest in December (highs near 27°C) and coldest in June (lows around 8°C), with roughly 973 mm of precipitation across the year and January the wettest month. The sweet spot for most visitors is February, March, April and May.

These are long-run averages. For the actual days you are travelling, check the live Mosman forecast — and note how much the models agree, because that tells you how much to trust it.

Mosman weather by month

what to expect in Mosman through the year

Here is Mosman's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Mosman by season.

Jan
26°
19°
Warm
Wettest
Feb
26°
19°
Warm
Mar
26°
18°
Warm
Apr
22°
14°
Warm
May
19°
10°
Mild
Jun
17°
8°
Mild
Jul
17°
8°
Mild
Aug
19°
9°
Mild
Sep
23°
10°
Warm
Oct
23°
12°
Warm
Nov
24°
17°
Warm
Dec
27°
19°
Warm

Common questions

When is the best time to visit Mosman?
The most comfortable time to visit Mosman is usually February, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest January rain is behind you.
What is the warmest month in Mosman?
December is the warmest month in Mosman, averaging highs near 27°C.
What is the coldest month in Mosman?
June is the coldest month in Mosman, with lows around 8°C.
When is the rainy season in Mosman?
The wettest month in Mosman is usually January, out of roughly 973 mm of precipitation across the year.

Mosman month by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember