Illnau monthly weather averages

Contents

Average daytime temperature

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

Illnau average temperature chart (Celsius) Illnau average temperature chart (Fahrenheit)
Average monthly temperatures in Illnau (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2 3.8 8 12.5 16.9 20.2 22.6 21.6 18.4 12.8 6.9 3.1
°F 35.7 38.9 46.4 54.6 62.4 68.3 72.6 70.8 65.1 55 44.4 37.6

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.

Illnau monthly rainfall chart (mm) Illnau monthly rainfall chart (inches)
Average monthly rainfall in Illnau (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 63 65 88 111 135 127 131 93 69 78 67
inches 2.5 2.5 2.6 3.5 4.4 5.3 5 5.2 3.7 2.7 3.1 2.7
Rainy days 15 14 15 16 18 17 17 17 13 12 15 15

Average annual rainfall in Illnau: 1147.367mm (451.7 inches)

Average daily sunshine

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

Illnau average daily sunshine chart
Average daily sunshine Illnau
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 3.1 4.3 5.3 6.1 6.8 7.7 7 5.9 3.8 2.3 1.6

Day / night temperatures

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

Illnau average minimum / maximum temperatures (Celsius) Illnau average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Illnau (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.8 -1.8 0.6 3.9 7.7 11 12.8 12.4 10 6.1 1.6 -1.4
Max °C 2.2 4 8.2 12.8 17.1 20.4 22.8 21.8 18.6 13 7 3.2
Min °F 27.1 28.9 33.1 38.9 45.9 51.8 55 54.3 50 42.9 34.9 29.5
Max °F 31.5 34 39.9 46.9 54.3 60.3 64 62.8 57.7 49.1 39.7 33.6

Sea temperature

The graph below shows the average sea temperature.

Illnau average sea temperature chart (Celsius) Illnau average sea temperature chart (Fahrenheit)
Average sea temperature around Illnau in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.9 8.9 9.3 11.6 15.4 19.3 21.9 22.7 20.7 17.7 14.6 11.8
°F 49.8 48 48.8 52.9 59.7 66.7 71.5 72.9 69.3 63.9 58.2 53.3

Wind speed

The graph below shows the average wind speed.

Illnau average winspeed by month (km/h) Illnau average winspeed by month (mph)
Average wind speed in Illnau (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 8 9 8 8 7 7 6 6 6 7 8
mph 5 5 6 5 5 5 4 4 4 4 5 5

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.

Illnau relative humidity averages
Average relative humidity in Illnau
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
85% 80% 74% 71% 72% 73% 72% 76% 79% 83% 83% 84%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Illnau weather stats

Illnau weather statistics
Hottest month: July 22.6°C 72.7°F
Driest month: February 63mm 2.5ins
Sunniest month: July 7.7hrs
Coldest month: January 2°C 35.6°F
Wettest month: June 135mm 5.3ins
Warmest sea: August 22.7°C 72.9°F
Map showing location of Illnau (47.4113, 8.72125) Illnau map pin © Google

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