Napoleon (ND) monthly weather averages

Contents

Average daytime temperature

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

Napoleon average temperature chart (Celsius) Napoleon average temperature chart (Fahrenheit)
Average monthly temperatures in Napoleon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -8.6 -5.2 1.8 11.4 19 24.4 28.3 27.4 20.6 13.8 2.9 -6
°F 16.6 22.7 35.3 52.5 66.1 75.9 82.9 81.4 69.1 56.8 37.2 21.3

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.

Napoleon monthly rainfall chart (mm) Napoleon monthly rainfall chart (inches)
Average monthly rainfall in Napoleon (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 13 11 23 40 63 80 72 52 45 30 15 11
inches 0.5 0.4 0.9 1.6 2.5 3.2 2.8 2 1.8 1.2 0.6 0.4
Rainy days 7 7 8 9 10 11 9 9 7 6 6 8

Average annual rainfall in Napoleon: 400.333mm (157.6 inches)

Average daily sunshine

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

Napoleon average daily sunshine chart
Average daily sunshine Napoleon
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 6.1 7.5 8.5 10 11.1 12.1 10.9 8.6 6.8 4.7 4.6

Day / night temperatures

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

Napoleon average minimum / maximum temperatures (Celsius) Napoleon average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Napoleon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -20.1 -16.9 -9.7 -1.5 5.1 10.9 13.8 12 5.8 -0.4 -8.6 -16.9
Max °C -8.3 -4.9 2.1 11.7 19.3 24.7 28.7 27.8 21 14.2 3.2 -5.7
Min °F -4.2 1.6 14.5 29.3 41.2 51.6 56.8 53.6 42.4 31.4 16.6 1.6
Max °F 6.4 12.4 25.2 41.2 54 64 70.2 67.8 56.1 44.4 27.1 11.7

Sea temperature

The graph below shows the average sea temperature.

Napoleon average sea temperature chart (Celsius) Napoleon average sea temperature chart (Fahrenheit)
Average sea temperature around Napoleon in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.5 6.3 6.6 7.4 8.7 10.7 13.2 16 15 11.8 9 7.2
°F 43.7 43.4 44 45.4 47.6 51.2 55.8 60.8 58.9 53.3 48.2 45

Wind speed

The graph below shows the average wind speed.

Napoleon average winspeed by month (km/h) Napoleon average winspeed by month (mph)
Average wind speed in Napoleon (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 19 21 20 17 16 16 17 18 17 17
mph 11 11 12 13 13 11 10 10 11 11 11 11

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.

Napoleon relative humidity averages
Average relative humidity in Napoleon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 73% 72% 63% 60% 66% 64% 63% 65% 66% 73% 75%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Napoleon weather stats

Napoleon weather statistics
Hottest month: July 28.3°C 82.9°F
Driest month: February 11mm 0.4ins
Sunniest month: July 12.1hrs
Coldest month: January -8.6°C 16.5°F
Wettest month: June 80mm 3.1ins
Warmest sea: August 16°C 60.8°F
Map showing location of Napoleon (46.50831, -99.77122) Napoleon map pin © Google

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