Mill Park, Australia experiences average highs of 19°C (66°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Mill Park, Australia Weather & Climate 2026
Monthly climate averages for Mill Park, Australia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7/10
Best: January, February, March
UV Index
6
High
Temperature 19°C / 10°C
Feels Like 17°C / 8°C
Rainy Days 9
Rainfall 54 mm
Sunshine 9 h
Humidity 73%
Wind Speed 22 km/h
Dew Point 10°C
Frost Days 1 days
Hottest Month
26°C
January
Avg Low15°C
Rain6days
Coldest Month
6°C
July
Avg High12°C
Rain11days
Driest Month
3days
February
Avg High25°C
Avg Low15°C
Windiest Month
24 km/h
September (Gusts 49)
Sea Temperature
11°C – 22°C
Warmest water: January (
22.4°C
)
Worst Time to Visit
Consider avoiding June, July, August, September due to frequent rain.
Sun Position
Sunrise 07:34
Daylight 9.6h
Sunset 17:09
Live conditions—
Mill Park on the map · live conditions
Mill Park, Australia
- Continent
- Oceania
- Country
- Australia
- City
- Mill Park
- Population
- 28.7K
- Coordinates
- -37.67°, 145.07°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 18°C
Avg Low 10°C
Rain 11 days/mo
Summer
Dec–Feb
Avg High 25°C
Avg Low 14°C
Rain 6 days/mo
2/3 best months
Autumn
Mar–May
Avg High 19°C
Avg Low 11°C
Rain 7 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 13°C
Avg Low 6°C
Rain 11 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 26°C / 15°C . Feb: 25°C / 15°C . Mar: 23°C / 14°C . Apr: 19°C / 11°C . May: 15°C / 8°C . Jun: 12°C / 6°C . Jul: 12°C / 6°C . Aug: 13°C / 7°C . Sep: 15°C / 8°C . Oct: 18°C / 9°C . Nov: 21°C / 12°C . Dec: 23°C / 13°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 61 mm. Feb: 26 mm. Mar: 35 mm. Apr: 55 mm. May: 48 mm. Jun: 52 mm. Jul: 49 mm. Aug: 50 mm. Sep: 63 mm. Oct: 78 mm. Nov: 70 mm. Dec: 62 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 67%. Feb: 66%. Mar: 68%. Apr: 73%. May: 78%. Jun: 83%. Jul: 81%. Aug: 78%. Sep: 74%. Oct: 72%. Nov: 70%. Dec: 67%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 22 km/h . Mar: 20 km/h . Apr: 19 km/h . May: 20 km/h . Jun: 20 km/h . Jul: 23 km/h . Aug: 22 km/h . Sep: 24 km/h . Oct: 23 km/h . Nov: 22 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 10h. Apr: 8h. May: 7h. Jun: 7h. Jul: 7h. Aug: 8h. Sep: 9h. Oct: 10h. Nov: 10h. Dec: 11h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 22°C . Feb: 22°C . Mar: 21°C . Apr: 18°C . May: 15°C . Jun: 12°C . Jul: 11°C . Aug: 12°C . Sep: 13°C . Oct: 16°C . Nov: 18°C . Dec: 20°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 7. Apr: UV 5. May: UV 3. Jun: UV 3. Jul: UV 3. Aug: UV 4. Sep: UV 5. Oct: UV 6. Nov: UV 7. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending drier by about 16 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 27°C | Jan · 26°C |
| Coldest month | Aug 2025 · 5°C | Jul · 6°C |
| Wettest month | Nov 2025 · 120 mm | Oct · 78 mm |
| Windiest month | Sep 2025 · 25 km/h | Sep · 24 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 | 26°C / 15°C | 26°C / 15°C | 6days (61 mm) Good | 11.1h Excellent | 67% Muggy | 8.2 Very High | Excellent | View Details |
| February best | 25°C / 15°C | 25°C / 14°C | 3days (26 mm) Excellent | 11h Excellent | 66% Muggy | 8 Very High | Excellent | View Details |
| March best | 23°C / 14°C | 23°C / 13°C | 6days (35 mm) Good | 9.5h Good | 68% Muggy | 6.5 High | Excellent | View Details |
| April | 19°C / 11°C | 17°C / 9°C | 7days (55 mm) Good | 8.2h Good | 73% Muggy | 4.6 Moderate | Good | View Details |
| May | 15°C / 8°C | 13°C / 6°C | 9days (48 mm) Wet | 7.3h Good | 78% Humid | 3.2 Moderate | Fair | View Details |
| June | 12°C / 6°C | 9°C / 3°C | 11days (52 mm) Wet | 6.7h Fair | 83% Humid | 2.5 Moderate | Fair | View Details |
| July | 12°C / 6°C | 9°C / 3°C | 11days (49 mm) Wet | 6.9h Fair | 81% Humid | 2.6 Moderate | Fair | View Details |
| August | 13°C / 7°C | 10°C / 3°C | 11days (50 mm) Wet | 7.9h Good | 78% Humid | 3.8 Moderate | Fair | View Details |
| September | 15°C / 8°C | 13°C / 5°C | 12days (63 mm) Wet | 9h Good | 74% Muggy | 4.9 Moderate | Fair | View Details |
| October | 18°C / 9°C | 16°C / 7°C | 11days (78 mm) Wet | 9.7h Good | 72% Muggy | 6.3 High | Good | View Details |
| November | 21°C / 12°C | 20°C / 10°C | 10days (70 mm) Wet | 10.4h Excellent | 70% Muggy | 7.2 Very High | Good | View Details |
| December | 23°C / 13°C | 23°C / 12°C | 8days (62 mm) Wet | 11.4h Excellent | 67% Muggy | 8.3 Very High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Mill Park are January, February, March, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Mill Park, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Mill Park is January, with average daytime highs of 26°C (79°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Mill Park is July, with average overnight lows of 6°C (43°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Mill Park is October, averaging 78mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Mill Park runs through September, June, July, August, with the heaviest rainfall in September. Based on 10-year averages for Mill Park.
Mill Park receives approximately 109 sunshine hours per year. The sunniest month is December with around 11 hours. Based on climate data for Mill Park.
The least favorable months to visit Mill Park are June, July, August, September, primarily due to frequent rain. For the best conditions, consider January, February, March instead.
The annual average UV index in Mill Park is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Mill Park is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January average 22°C (72°F), which is warm and comfortable for swimming and water activities.
Mill Park rarely sees significant snowfall but does experience frost, averaging 1 frost days during the colder months.
Average wind speeds in Mill Park are 22 km/h (14 mph). The windiest month is September with peak winds reaching 24 km/h (15 mph) (gusts up to 49 km/h / 31 mph).
Mill Park averages 2 clear-sky days per month with overall cloud cover around 60%. The clearest skies occur in January.
The annual average dew point in Mill Park is 10°C (50°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Mill Park 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 Mill Park ranges from 8°C (46°F) to 17°C (63°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Mill Park, with a climate score of 4.9/10. Consider visiting during January, February, March instead for better conditions.
For June in Mill Park, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 12°C (54°F) and 11 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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