Heidelberg Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Heidelberg.
Climate overview of Heidelberg
Heidelberg, Victoria, Australia, sees big temperature differences between seasons, with January peaking at 27°C (81°F) and July dropping to 14°C (57°F).
With around 717 mm (28 in) of annual rainfall, the city has moderate precipitation levels. September is the wettest month and March the driest. The most sunshine falls in January, with an average of 9.2 hours of daily sunshine.
Heidelberg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Heidelberg — and find the best time to visit.
Monthly Temperature in Heidelberg
Visitors to Heidelberg can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in January to a moderate 14°C (57°F) in the coolest month, July.
Nights vary from 14°C (57°F) in January to around 6°C (43°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Heidelberg
Generally, Heidelberg experiences moderate precipitation patterns, averaging 717 mm (28 in) yearly. Heidelberg offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month September (75 mm (3 in)) and the driest month March (41 mm (1.6 in)) is not too significant. For more details, please visit our Heidelberg Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Heidelberg
For those who appreciate different seasons, Heidelberg serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.2 hours of sunshine daily, and embrace the darker days in June, offering only 4.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Heidelberg
The mean water temperature over the year ranges from 13°C (55°F) in August to 17°C (63°F) in January.
Water temperature over the year
Humidity in Heidelberg by Month
The relative humidity is moderate throughout the year in Heidelberg.
The city experiences its highest humidity in June, reaching 64%. In January, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Heidelberg
The average wind speed over the year ranges from 3 m/s (6 knots) to 3 m/s (6 knots). It is lower in January, February, March, April, May, June, July, August, September, October, November and December and higher in January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Heidelberg
The weather does bring rainfall during this period, between 41 mm (1.6 in) and 70 mm (2.8 in). Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Heidelberg
What is the best time to visit Heidelberg?
January, February, March, April, October, November and December typically offer the most optimal weather in Heidelberg. In contrast, May, June, July, August and September tend to have less optimal conditions.
What temperatures can I expect in Heidelberg?
Daytime highs range from 14°C (57°F) in July to 27°C (81°F) in January. Nighttime lows range from 6°C (43°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Heidelberg get?
Annual rainfall is around 717 mm (28 in). September is the wettest month with 75 mm (3 in), while March is the driest with 41 mm (1.6 in).
How sunny is Heidelberg?
Heidelberg receives around 2,383 hours of sunshine per year. January is the sunniest month with 276 hours, while June is the cloudiest with just 123 hours. Overall, Heidelberg enjoys abundant sunshine.
Heidelberg 3-Day Forecast
Heidelberg 3-Day Forecast
Heidelberg on the map
Heidelberg is highlighted — select any city to see its climate.
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