Royal National Park Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Royal National Park.

Climate overview of Royal National Park

Royal National Park, Australian Capital Territory, Australia, experiences moderate temperature changes through the seasons. January is the warmest month with daytime highs of 26°C (79°F), while July is the coolest at 18°C (64°F).

The city receives around 862 mm (34 in) of rainfall per year. February is the wettest month and September the driest. The sunniest month is December, with 8.6 hours of sunshine per day on average.

Royal National Park Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Royal National Park — and find the best time to visit.

Monthly Temperature in Royal National Park

In Royal National Park, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a comfortable 26°C (79°F) in January to a moderate 18°C (64°F) in July.

Nighttime temperatures range from 20°C (68°F) in January to 10°C (50°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Royal National Park

Generally, Royal National Park has a moderate amount of precipitation, averaging 862 mm (34 in) of rainfall annually. The seasons in Royal National Park bring significant changes in precipitation. The wettest month, February, receives high rainfall, with an average of 110 mm (4.3 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, September, experiences much less rainfall, totaling 50 mm (2 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Royal National Park Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Royal National Park

Royal National Park enjoys sunny spells year-round. December sees up to 8.6 hours of daily sunshine, perfect for a sunny trip. May, the least sunny month, still offers a generous 6.0 hours of sun despite this cloudier time of the year.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sydney, Australia (17 KM, 10 Miles).

Daily hours of sunshine

Data from: Sydney, Australia (17 KM, 10 Miles).

Water Temperature in Royal National Park

The mean water temperature over the year ranges from 16°C (61°F) in August to 21°C (70°F) in January.

Water temperature over the year

Data from: Sydney, Australia (17 KM, 10 Miles).

Humidity in Royal National Park by Month

Wind Speed in Royal National Park

Best Time to Visit Royal National Park

During the months of January, February, March, April, May, June, August, September, October, November and December, Royal National Park enjoys pleasant weather with average temperatures ranging from 18°C (65°F) to 26°C (79°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 50 mm (2 in) in September to 110 mm (4.3 in) in February. This means you can expect a mix of sunny days and occasional showers.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Royal National Park

What is the best time to visit Royal National Park?

January, March, April, May, September, October, November and December typically offer the most optimal weather in Royal National Park. In contrast, February, June, July and August tend to have less optimal conditions.

What temperatures can I expect in Royal National Park?

Daytime highs range from 18°C (64°F) in July to 26°C (79°F) in January. Nighttime lows range from 10°C (50°F) to 20°C (68°F).

How much rain does Royal National Park get?

Annual rainfall is around 862 mm (34 in). February is the wettest month with 110 mm (4.3 in), while September is the driest with 50 mm (2 in).

How sunny is Royal National Park?

Royal National Park receives around 2,644 hours of sunshine per year. December is the sunniest month with 257 hours, while May is the cloudiest with just 180 hours. Overall, Royal National Park enjoys abundant sunshine.

Royal National Park 3-Day Forecast

Royal National Park 3-Day Forecast

Royal National Park on the map

Royal National Park is highlighted — select any city to see its climate.

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