Spring (March–May): Average 11–14°C, cool and rainy with occasional breezes. Common activities: Visiting historical sites, coastal walks. Suggested clothing: Light jacket, comfortable trousers, warm base layers.
Summer (June–August): Average 9–10°C, cool, dry and less rain. Common activities: Exploring historical buildings, outdoor lunch, enjoying Tasmanian scenery. Suggested clothing: Warm jacket, comfortable trousers, breathable clothing.
Autumn (September–November): Average 10–12°C, mild with increasing rainfall. Common activities: Visiting museums, enjoying local cuisine, appreciating autumn colours. Suggested clothing: Light jacket, long-sleeved shirt, comfortable trousers.
Winter (December–February): Average 13.7–15.7°C, warm with higher rainfall. Common activities: Visiting historical sites, indoor activities. Suggested clothing: Windproof jacket, waterproof clothing, comfortable warm clothing.
Port Arthur Historic Site climatological average
Annual average temperature: approx. 12°C / Annual rainfall: approx. 754 mm / Summer humidity: 60%–70% / Rainiest month: December
Port Arthur Historic Site monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
15.7°C
59.5
February
15.5°C
64.1
March
14.5°C
50.5
April
13°C
75.3
May
11°C
81.8
June
9.4°C
44.7
July
9.3°C
27.9
August
9.4°C
21.7
September
10.2°C
65.6
October
10.7°C
88.6
November
12.1°C
76.3
December
13.7°C
98.8
Port Arthur Historic Site weather for the next seven days
10/22
Wednesday
Moderate rain
9.3°C/5.9°C
10/23
Thursday
Patchy rain nearby
9.9°C/8.7°C
10/24
Friday
Partly Cloudy
12.5°C/5.7°C
10/25
Saturday
Moderate rain
9.8°C/8.4°C
10/26
Sunday
Moderate rain
8.6°C/4.4°C
10/27
Monday
Patchy rain nearby
4.9°C/2.2°C
10/28
Tuesday
Partly Cloudy
7.1°C/4.8°C
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