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
The average number of days each month with precipitation
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
Daily hours of sunshine
Daily percentage of sunshine
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
Average humidity
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
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)
broken clouds and rain partly cloudy and no rain almost clear and no rainForecast for Heidelberg
5 m/s
5 m/s
5 m/s
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:
The hottest season / summer takes place in January, February, March and December.
January has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 14°C.
September tops the wettest month list with 75 mm of rainfall.
March is the driest month with 41 mm of precipitation.
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.
