Heilbron monthly weather averages

Contents

Average daytime temperature

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

Heilbron average temperature chart (Celsius) Heilbron average temperature chart (Fahrenheit)
Average monthly temperatures in Heilbron (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.9 27.1 25.9 22.7 20.1 16.9 17.6 20.5 23.9 25 26.2 27.4
°F 82.2 80.9 78.7 72.9 68.2 62.5 63.7 68.8 75.1 77.1 79.2 81.3

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.

Heilbron monthly rainfall chart (mm) Heilbron monthly rainfall chart (inches)
Average monthly rainfall in Heilbron (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 118 80 74 51 19 9 7 13 27 75 95 107
inches 4.6 3.2 2.9 2 0.7 0.3 0.3 0.5 1.1 2.9 3.7 4.2
Rainy days 14 10 10 8 3 2 1 2 4 9 13 13

Average annual rainfall in Heilbron: 673.267mm (265.1 inches)

Average daily sunshine

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

Heilbron average daily sunshine chart
Average daily sunshine Heilbron
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9.1 9 8.7 8.7 9.3 9.3 10 10.7 10.2 9.5 9.4 9.6

Day / night temperatures

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

Heilbron average minimum / maximum temperatures (Celsius) Heilbron average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Heilbron (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.2 14.6 12.8 8.6 3.3 -0.8 -1.1 2.1 7.1 10.4 12.7 14.1
Max °C 28.2 27.5 26.3 23.1 20.6 17.4 18.1 20.9 24.4 25.4 26.6 27.7
Min °F 59.4 58.2 55 47.4 37.9 30.7 30.1 35.8 44.7 50.7 54.8 57.4
Max °F 71.1 69.8 67.1 60.4 53.4 46.9 47.3 52.7 60.3 64.2 67.3 69.6

Sea temperature

The graph below shows the average sea temperature.

Heilbron average sea temperature chart (Celsius) Heilbron average sea temperature chart (Fahrenheit)
Average sea temperature around Heilbron in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.1 24.5 24.2 23.3 22.1 20.9 20.1 19.8 20 20.7 21.8 23.1
°F 75.4 76.1 75.5 73.9 71.7 69.6 68.2 67.7 68.1 69.3 71.3 73.6

Wind speed

The graph below shows the average wind speed.

Heilbron average winspeed by month (km/h) Heilbron average winspeed by month (mph)
Average wind speed in Heilbron (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 8 8 7 8 8 8 10 12 12 12 11
mph 6 5 5 5 5 5 5 6 7 8 8 7

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.

Heilbron relative humidity averages
Average relative humidity in Heilbron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
63% 65% 65% 65% 60% 59% 55% 49% 49% 55% 59% 60%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Heilbron weather stats

Heilbron weather statistics
Hottest month: January 27.9°C 82.2°F
Driest month: July 7mm 0.3ins
Sunniest month: August 10.7hrs
Coldest month: June 16.9°C 62.4°F
Wettest month: January 118mm 4.6ins
Warmest sea: February 24.5°C 76.1°F
Map showing location of Heilbron (-27.28115, 27.9709) Heilbron map pin © Google

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