Wanneroo, Australia experiences average highs of 24°C (75°F) and lows of 15°C (59°F) throughout the year. The climate is relatively dry, with only 6 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have warmed by 1.4°C (2.5°F) across the available records.
Wanneroo, Australia Weather & Climate 2026
Monthly climate averages for Wanneroo, Australia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
8.5/10
Best: January, February, March, April, December
UV Index
6
High
Temperature 24°C / 15°C
Feels Like 23°C / 12°C
Rainy Days 6
Rainfall 46 mm
Sunshine 11 h
Humidity 62%
Wind Speed 25 km/h
Dew Point 12°C
Hottest Month
31°C
January
Avg Low20°C
Rain1days
Coldest Month
10°C
August
Avg High17°C
Rain11days
Driest Month
1days
January
Avg High31°C
Avg Low20°C
Windiest Month
28 km/h
December (Gusts 48)
Sea Temperature
17°C – 25°C
Warmest water: January (
24.5°C
)
Worst Time to Visit
Consider avoiding May, June, July, August due to frequent rain.
Sun Position
Sunrise 07:16
Daylight 10.1h
Sunset 17:21
Live conditions—
Wanneroo on the map · live conditions
Wanneroo, Australia
- Continent
- Oceania
- Country
- Australia
- City
- Wanneroo
- Population
- 12.1K
- Coordinates
- -31.75°, 115.80°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 22°C
Avg Low 13°C
Rain 6 days/mo
Summer
Dec–Feb
Avg High 30°C
Avg Low 19°C
Rain 1 days/mo
3/3 best months
Autumn
Mar–May
Avg High 25°C
Avg Low 16°C
Rain 5 days/mo
2/3 best months
Winter
Jun–Aug
Avg High 18°C
Avg Low 10°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: 31°C / 20°C . Feb: 31°C / 20°C . Mar: 29°C / 19°C . Apr: 25°C / 16°C . May: 22°C / 13°C . Jun: 18°C / 11°C . Jul: 17°C / 10°C . Aug: 17°C / 10°C . Sep: 19°C / 11°C . Oct: 22°C / 13°C . Nov: 26°C / 16°C . Dec: 30°C / 18°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 26 mm. Feb: 23 mm. Mar: 26 mm. Apr: 26 mm. May: 52 mm. Jun: 97 mm. Jul: 107 mm. Aug: 97 mm. Sep: 37 mm. Oct: 32 mm. Nov: 19 mm. Dec: 5 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 51%. Feb: 53%. Mar: 57%. Apr: 61%. May: 64%. Jun: 71%. Jul: 73%. Aug: 72%. Sep: 69%. Oct: 65%. Nov: 57%. Dec: 51%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 27 km/h . Feb: 26 km/h . Mar: 24 km/h . Apr: 22 km/h . May: 22 km/h . Jun: 22 km/h . Jul: 24 km/h . Aug: 24 km/h . Sep: 24 km/h . Oct: 25 km/h . Nov: 26 km/h . Dec: 28 km/h .
Sunshine
Sunshine
Sunshine: Jan: 13h. Feb: 12h. Mar: 11h. Apr: 10h. May: 9h. Jun: 8h. Jul: 8h. Aug: 9h. Sep: 10h. Oct: 11h. Nov: 12h. Dec: 13h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 25°C . Feb: 24°C . Mar: 23°C . Apr: 21°C . May: 20°C . Jun: 18°C . Jul: 17°C . Aug: 17°C . Sep: 18°C . Oct: 20°C . Nov: 21°C . Dec: 23°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 8. Mar: UV 7. Apr: UV 6. May: UV 4. Jun: UV 3. Jul: UV 4. Aug: UV 5. Sep: UV 6. Oct: UV 8. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 1.4°C (2.5°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jan 2025 · 32°C | Jan · 31°C |
| Coldest month | Jul 2025 · 9°C | Aug · 10°C |
| Wettest month | Jun 2025 · 158 mm | Jul · 107 mm |
| Windiest month | Dec 2025 · 28 km/h | Dec · 28 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April best
Excellent May
Good June
Good July
Good August
Good September
Good October
Excellent November
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 31°C / 20°C | 31°C / 18°C | 1days (26 mm) Excellent | 12.6h Excellent | 51% Moderate | 9.1 Very High | Excellent | View Details |
| February best | 31°C / 20°C | 31°C / 18°C | 2days (23 mm) Excellent | 11.9h Excellent | 53% Moderate | 8.4 Very High | Excellent | View Details |
| March best | 29°C / 19°C | 29°C / 17°C | 3days (26 mm) Excellent | 10.6h Excellent | 57% Moderate | 7.4 Very High | Excellent | View Details |
| April best | 25°C / 16°C | 24°C / 14°C | 4days (26 mm) Good | 9.8h Good | 61% Muggy | 5.7 High | Excellent | View Details |
| May | 22°C / 13°C | 19°C / 10°C | 7days (52 mm) Good | 8.9h Good | 64% Muggy | 4 Moderate | Good | View Details |
| June | 18°C / 11°C | 16°C / 8°C | 10days (97 mm) Wet | 8.3h Good | 71% Muggy | 3.3 Moderate | Good | View Details |
| July | 17°C / 10°C | 14°C / 7°C | 12days (107 mm) Wet | 8.2h Good | 73% Muggy | 3.5 Moderate | Good | View Details |
| August | 17°C / 10°C | 15°C / 7°C | 11days (97 mm) Wet | 9.3h Good | 72% Muggy | 4.5 Moderate | Good | View Details |
| September | 19°C / 11°C | 18°C / 9°C | 7days (37 mm) Good | 10.4h Excellent | 69% Muggy | 6.2 High | Good | View Details |
| October | 22°C / 13°C | 21°C / 11°C | 6days (32 mm) Good | 11.3h Excellent | 65% Muggy | 7.5 Very High | Excellent | View Details |
| November | 26°C / 16°C | 25°C / 13°C | 4days (19 mm) Good | 12.4h Excellent | 57% Moderate | 8.5 Very High | Excellent | View Details |
| December best | 30°C / 18°C | 29°C / 16°C | 1days (5 mm) Excellent | 13h Excellent | 51% Moderate | 9.2 Very High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Wanneroo are January, February, March, April, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Wanneroo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Wanneroo is January, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Wanneroo is August, with average overnight lows of 10°C (50°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Wanneroo is July, averaging 107mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Wanneroo runs through July, August, June, with the heaviest rainfall in July. Based on 10-year averages for Wanneroo.
Wanneroo receives approximately 127 sunshine hours per year. The sunniest month is December with around 13 hours. Based on climate data for Wanneroo.
The least favorable months to visit Wanneroo are May, June, July, August, primarily due to frequent rain. For the best conditions, consider January, February, March, April, December instead.
The annual average UV index in Wanneroo is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Wanneroo is 62%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, December average 24°C (75°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Wanneroo are 25 km/h (16 mph). The windiest month is December with peak winds reaching 28 km/h (17 mph) (gusts up to 48 km/h / 30 mph).
Wanneroo averages 11 clear-sky days per month with overall cloud cover around 37%. The clearest skies occur in January.
The annual average dew point in Wanneroo is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Wanneroo has a Hot-Summer Mediterranean climate, classified as Csa 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 Wanneroo ranges from 12°C (54°F) to 23°C (73°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Wanneroo. It earns a climate score of 7/10 with Good.
For June in Wanneroo, pack Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 18°C (65°F) and 10 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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