Climate charts
HeidelbergSouth Africa

Average humidity in Heidelberg

On this page you find more information about the monthly relative humidity over the year in Heidelberg (Gauteng), South Africa.

Data from: Johannesburg, South Africa (45 KM, 28 Miles).

Heidelberg's humidity levels vary throughout the year. The highest levels occur in February, reaching 70% (high), while the lowest is recorded in August at 46%.

Throughout the year, the average humidity in Heidelberg is 59%.

Humidity plays an important role in how temperatures are felt. During the warmest month, January, the maximum average temperature is around 27°C (81°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, July, the maximum average temperature is around 20°C (68°F). This period has moderate humidity. Check out our detailed temperature page for more information.

Heidelberg Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Heidelberg - and find the best time to visit.

Heidelberg 3-Day Forecast

More climate data for Heidelberg

Popular this month

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.