Hennef monthly weather averages

Contents

Average daytime temperature

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

Hennef average temperature chart (Celsius) Hennef average temperature chart (Fahrenheit)
Average monthly temperatures in Hennef (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.6 5.2 8.9 13.1 17.8 20.9 22.6 22.4 19.1 14.2 7.8 4.3
°F 38.5 41.3 48 55.6 64.1 69.7 72.6 72.3 66.4 57.5 46.1 39.7

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.

Hennef monthly rainfall chart (mm) Hennef monthly rainfall chart (inches)
Average monthly rainfall in Hennef (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 59 49 55 56 64 79 79 77 64 53 68 69
inches 2.3 1.9 2.2 2.2 2.5 3.1 3.1 3 2.5 2.1 2.7 2.7
Rainy days 17 14 16 15 16 16 15 15 14 14 17 17

Average annual rainfall in Hennef: 828.5mm (326.2 inches)

Average daily sunshine

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

Hennef average daily sunshine chart
Average daily sunshine Hennef
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 3 3.8 5.6 6.9 7 7.1 6.7 5.2 3.8 2 1.4

Day / night temperatures

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

Hennef average minimum / maximum temperatures (Celsius) Hennef average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hennef (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.9 -0.5 1.8 4.5 8.4 11.5 13 12.8 10.5 7.1 2.9 0.2
Max °C 3.7 5.3 9.1 13.4 18.1 21.2 22.8 22.6 19.4 14.4 8 4.4
Min °F 30.4 31.1 35.2 40 47 52.6 55.4 55 50.8 44.7 37.1 32.4
Max °F 34.5 36.3 41.7 48 55.8 61.3 64.2 63.9 58.8 51.3 41.7 36.1

Sea temperature

The graph below shows the average sea temperature.

Hennef average sea temperature chart (Celsius) Hennef average sea temperature chart (Fahrenheit)
Average sea temperature around Hennef in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.7 6.6 7 9.3 13 16.6 19.2 20.3 18.7 16 12.7 9.7
°F 45.8 43.9 44.6 48.7 55.3 61.9 66.6 68.5 65.7 60.8 54.9 49.5

Wind speed

The graph below shows the average wind speed.

Hennef average winspeed by month (km/h) Hennef average winspeed by month (mph)
Average wind speed in Hennef (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 14 13 11 11 10 10 10 11 13 13
mph 9 9 9 8 7 7 7 6 7 7 8 8

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.

Hennef relative humidity averages
Average relative humidity in Hennef
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 83% 76% 71% 69% 71% 71% 71% 77% 82% 87% 90%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Hennef weather stats

Hennef weather statistics
Hottest month: July 22.6°C 72.7°F
Driest month: February 49mm 1.9ins
Sunniest month: August 6.7hrs
Coldest month: January 3.6°C 38.5°F
Wettest month: June 79mm 3.1ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of Hennef (50.77555, 7.28308) Hennef map pin © Google

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