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Heidelberg Weather and Climate: A Comprehensive Guide

The temperature in Heidelberg can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and mild during the cooler months. It maintains moderate precipitation patterns. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Heidelberg can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C in January to a moderate 14°C in the coolest month, July.

Nights are cooler, with lows often dropping to around 6°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Heidelberg experiences moderate precipitation patterns, averaging 717 mm yearly. Heidelberg offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between September (75 mm) and March (41 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

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

Data from: Melbourne, Australia (11 KM, 7 Miles).

Daily hours of sunshine

Data from: Melbourne, Australia (11 KM, 7 Miles).

Average water temperature

The mean water temperature over the year ranges from 13°C in August to 17°C in January.

Water temperature over the year

Data from: Melbourne, Australia (11 KM, 7 Miles).

Average wind speed

The average wind speed over the year ranges from 3 m/s to 3 m/s. 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.

The mean monthly wind speed over the year (meters per second)

Data from: Melbourne, Australia (11 KM, 7 Miles).

Forecast for Heidelberg

Wed   Jan 15
25°C | 15°C
SW 5 m/s
7.4 mm
broken clouds and rain

broken clouds and rain

Thu   Jan 16
21°C | 12°C
S 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Fri   Jan 17
25°C | 13°C
S 5 m/s
almost clear and no rain

almost clear and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Heidelberg in Australia

During the months of March, April, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Heidelberg?
    The hottest season / summer takes place in January, February, March and December.
  • Which is the warmest month in Heidelberg?
    January has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Heidelberg?
    The coldest month is July with an average maximum temperature of 14°C.
  • Which is the wettest month in Heidelberg?
    September tops the wettest month list with 75 mm of rainfall.
  • Which is the driest month in Heidelberg?
    March is the driest month with 41 mm of precipitation.
  • Which is the sunniest month in Heidelberg?
    January is the sunniest month with an average of 276 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.