Triabunna, Australia experiences average highs of 17°C (63°F) and lows of 11°C (52°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Triabunna, Australia Weather & Climate 2026
Monthly climate averages for Triabunna, Australia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Sep 
Wetter season: Aug–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.8/10
Best: January, February, March
UV Index
5
Low
Temperature 17°C / 11°C
Feels Like 15°C / 8°C
Rainy Days 8
Rainfall 51 mm
Sunshine 9 h
Humidity 72%
Wind Speed 19 km/h
Dew Point 9°C
Hottest Month
22°C
January
Avg Low 15°C
Rain 7 days
Coldest Month
7°C
July
Avg High 12°C
Rain 7 days
Driest Month
6 days
March
Avg High 20°C
Avg Low 13°C
Windiest Month
22 km/h
September (Gusts 55)
Sea Temperature
12°C – 18°C
Warmest water: March (
18.3°C
)
Worst Time to Visit
Consider avoiding June, July, August, September due to less favorable weather conditions.
Sun Position
Sunrise 07:34
Daylight 9.3h
Sunset 16:55
Live conditions —
Triabunna on the map · live conditions
Triabunna, Australia
- Continent
- Oceania
- Country
- Australia
- City
- Triabunna
- Population
- 844
- Coordinates
- -42.51°, 147.91°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 16°C
Avg Low 10°C
Rain 10 days/mo
Summer
Dec–Feb
Avg High 21°C
Avg Low 14°C
Rain 8 days/mo
2/3 best months
Autumn
Mar–May
Avg High 17°C
Avg Low 11°C
Rain 7 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 13°C
Avg Low 8°C
Rain 8 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 22°C / 15°C . Feb: 21°C / 14°C . Mar: 20°C / 13°C . Apr: 17°C / 12°C . May: 15°C / 9°C . Jun: 13°C / 8°C . Jul: 12°C / 7°C . Aug: 13°C / 8°C . Sep: 14°C / 8°C . Oct: 16°C / 10°C . Nov: 18°C / 11°C . Dec: 20°C / 13°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 54 mm. Feb: 41 mm. Mar: 48 mm. Apr: 36 mm. May: 44 mm. Jun: 51 mm. Jul: 32 mm. Aug: 49 mm. Sep: 51 mm. Oct: 75 mm. Nov: 73 mm. Dec: 57 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 68%. Mar: 71%. Apr: 72%. May: 75%. Jun: 79%. Jul: 77%. Aug: 75%. Sep: 70%. Oct: 70%. Nov: 71%. Dec: 68%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 19 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 19 km/h . Jun: 18 km/h . Jul: 19 km/h . Aug: 20 km/h . Sep: 22 km/h . Oct: 21 km/h . Nov: 20 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 9h. Apr: 8h. May: 7h. Jun: 6h. Jul: 7h. Aug: 8h. Sep: 9h. Oct: 10h. Nov: 11h. Dec: 12h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 18°C . Feb: 18°C . Mar: 18°C . Apr: 16°C . May: 15°C . Jun: 13°C . Jul: 12°C . Aug: 12°C . Sep: 12°C . Oct: 13°C . Nov: 15°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 7. Mar: UV 6. Apr: UV 4. May: UV 3. Jun: UV 2. Jul: UV 2. Aug: UV 3. Sep: UV 5. Oct: UV 6. Nov: UV 7. Dec: UV 8.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 20 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jan 2025 · 21°C | Jan · 22°C |
| Coldest month | Jul 2025 · 7°C | Jul · 7°C |
| Wettest month | Nov 2025 · 79 mm | Oct · 75 mm |
| Windiest month | Oct 2025 · 27 km/h | Sep · 22 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Fair June
Fair July
Fair August
Fair September
Fair October
Good November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 22°C / 15°C | 22°C / 13°C | 7days (54 mm) Good | 11.3h Excellent | 69% Muggy | 7.6 Very High | Excellent | View Details |
| February best | 21°C / 14°C | 20°C / 13°C | 7days (41 mm) Good | 10.5h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| March best | 20°C / 13°C | 19°C / 12°C | 6days (48 mm) Good | 8.9h Good | 71% Muggy | 5.7 High | Excellent | View Details |
| April | 17°C / 12°C | 15°C / 9°C | 7days (36 mm) Good | 7.9h Good | 72% Muggy | 3.9 Moderate | Good | View Details |
| May | 15°C / 9°C | 12°C / 7°C | 8days (44 mm) Wet | 6.8h Fair | 75% Muggy | 2.5 Moderate | Fair | View Details |
| June | 13°C / 8°C | 10°C / 5°C | 8days (51 mm) Wet | 6.3h Fair | 79% Humid | 1.9 Low | Fair | View Details |
| July | 12°C / 7°C | 9°C / 4°C | 7days (32 mm) Good | 6.9h Fair | 77% Humid | 2.1 Moderate | Fair | View Details |
| August | 13°C / 8°C | 10°C / 4°C | 10days (49 mm) Wet | 7.9h Good | 75% Muggy | 3.2 Moderate | Fair | View Details |
| September | 14°C / 8°C | 11°C / 5°C | 8days (51 mm) Wet | 9.3h Good | 70% Muggy | 4.5 Moderate | Fair | View Details |
| October | 16°C / 10°C | 14°C / 7°C | 12days (75 mm) Wet | 10h Excellent | 70% Muggy | 6.2 High | Good | View Details |
| November | 18°C / 11°C | 16°C / 9°C | 10days (73 mm) Wet | 10.9h Excellent | 71% Muggy | 6.8 High | Good | View Details |
| December | 20°C / 13°C | 19°C / 11°C | 9days (57 mm) Wet | 11.8h Excellent | 68% Muggy | 7.9 Very High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Triabunna are January, February, March, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Triabunna, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Triabunna is January, with average daytime highs of 22°C (71°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Triabunna is July, with average overnight lows of 7°C (45°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Triabunna is October, averaging 75mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Triabunna runs through October, August, November, with the heaviest rainfall in October. Based on 10-year averages for Triabunna.
Triabunna receives approximately 109 sunshine hours per year. The sunniest month is December with around 12 hours. Based on climate data for Triabunna.
The least favorable months to visit Triabunna are June, July, August, September, primarily due to less favorable weather conditions. For the best conditions, consider January, February, March instead.
The annual average UV index in Triabunna is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Triabunna is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Sea temperatures in Summer average 15°C (59°F), which most swimmers will find too cold without a wetsuit.
Average wind speeds in Triabunna are 19 km/h (12 mph). The windiest month is September with peak winds reaching 22 km/h (14 mph) (gusts up to 55 km/h / 34 mph).
Triabunna averages 2 clear-sky days per month with overall cloud cover around 61%. The clearest skies occur in January.
The annual average dew point in Triabunna is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Triabunna has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Triabunna ranges from 8°C (46°F) to 15°C (59°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
July is not the best time to visit Triabunna, with a climate score of 5.4/10. Consider visiting during January, February, March instead for better conditions.
For July in Triabunna, pack Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. With average highs of 12°C (54°F) and 7 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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