Heidelberg monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Heidelberg

Heidelberg average temperature chart (Celsius) Heidelberg average temperature chart (Fahrenheit)
Average monthly temperatures in Heidelberg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.6 25.9 25.1 22.2 19.8 16.7 17.4 20.1 23.4 24.4 25 26.2
°F 79.9 78.6 77.2 71.9 67.7 62.1 63.3 68.1 74.1 75.9 77 79.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Heidelberg monthly rainfall chart (mm) Heidelberg monthly rainfall chart (inches)
Average monthly rainfall in Heidelberg (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 128 85 81 49 15 8 5 10 29 79 110 110
inches 5 3.3 3.2 1.9 0.6 0.3 0.2 0.4 1.1 3.1 4.3 4.3
Rainy days 14 10 10 7 3 2 1 2 4 9 13 13

Average annual rainfall in Heidelberg: 710.934mm (279.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Heidelberg

Heidelberg average daily sunshine chart
Average daily sunshine Heidelberg
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.8 8.8 8.4 8.5 9.4 9.4 9.9 10.4 10.1 9.3 9 9.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Heidelberg average minimum / maximum temperatures (Celsius) Heidelberg average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Heidelberg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.7 14 12.4 8.7 4 0.3 0 2.9 7.5 10.5 12.5 13.9
Max °C 26.9 26.2 25.4 22.5 20.2 17.1 17.8 20.5 23.8 24.8 25.3 26.5
Min °F 58.5 57.2 54.3 47.7 39.2 32.5 32 37.2 45.4 50.8 54.5 57
Max °F 69.4 68.2 66 60.1 53.8 47.7 48 53.1 60.1 63.7 66 68.4

Sea temperature

The graph below shows the average sea temperature.

Heidelberg average sea temperature chart (Celsius) Heidelberg average sea temperature chart (Fahrenheit)
Average sea temperature around Heidelberg in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.7 25.1 24.8 23.9 22.7 21.5 20.7 20.4 20.6 21.3 22.4 23.7
°F 76.4 77.1 76.6 75 72.8 70.7 69.2 68.7 69 70.3 72.3 74.6

Wind speed

The graph below shows the average wind speed.

Heidelberg average winspeed by month (km/h) Heidelberg average winspeed by month (mph)
Average wind speed in Heidelberg (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 8 8 8 8 8 9 10 12 13 12 10
mph 6 5 5 5 5 5 5 7 8 8 7 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Heidelberg relative humidity averages
Average relative humidity in Heidelberg
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 68% 67% 65% 58% 56% 53% 48% 49% 56% 63% 64%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Heidelberg weather stats

Heidelberg weather statistics
Hottest month: January 26.6°C 79.9°F
Driest month: July 5mm 0.2ins
Sunniest month: July 9.9hrs
Coldest month: June 16.7°C 62.1°F
Wettest month: January 128mm 5ins
Warmest sea: February 25.1°C 77.2°F
Map showing location of Heidelberg (-26.50476, 28.35921) Heidelberg map pin © Google

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