Bruny Island Weather and Climate
Climate Snapshot
Bruny Island's warmest month in 2024 was February, averaging 21.0 degrees. That gives Bruny Island an annual average daytime high of 16.1 degrees, 0.3 degrees cooler than the Tasmania mean.
Daytime highs peak at 21.0 degrees in February and bottom out with overnight lows of 7.2 degrees in July. That is a 13.8 degree spread from hottest afternoon to coldest night. Overnight minimums average 10.2 degrees across the year, 1.3 degrees warmer than the Tasmania average of 8.9.
Annual rainfall totals 830mm across 139 rain days, 29 percent drier than the Tasmania average. The wettest month is December at 138mm, and February is the driest at 25mm.
Don't let yearly averages fool you. The difference between December and February is massive, so timing your visit matters.
By our reckoning, February (8.7/10) is when the weather is at its finest, while June (1.0/10) is the toughest month to be outdoors.
Keep scrolling for the detailed monthly data, or head straight to February for the peak-comfort window.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 4.1/10 - Ranked #198 of 213 Australian cities (national avg 6.2, TAS avg 4.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 20.1 | 12.9 | 235 | 7.5 |
| Autumn | 16.5 | 11.1 | 138 | 4.2 |
| Winter | 12.4 | 8.0 | 240 | 1.0 |
| Spring | 15.4 | 9.0 | 216 | 3.7 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Bruny Island.
20.2°C, 72mm rain February
21.0°C, 25mm rain March
19.2°C, 38mm rain April
16.2°C, 56mm rain May
14.1°C, 44mm rain June
11.8°C, 49mm rain July
11.7°C, 90mm rain August
13.6°C, 101mm rain September
13.4°C, 78mm rain October
15.3°C, 67mm rain November
17.5°C, 72mm rain December
19.1°C, 138mm rain
Compare and Explore
Similar Climates
If you like Bruny Island's climate, you might also consider: