Trenton (MO) monthly weather averages

Average daytime temperature

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

Trenton average temperature chart (Celsius) Trenton average temperature chart (Fahrenheit)
Average monthly temperatures in Trenton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.4 2.7 9.8 16.6 22.4 27.5 30.5 29.1 24.4 18.6 10 2.2
°F 31.3 36.8 49.6 61.9 72.3 81.4 86.9 84.4 75.9 65.5 50 36

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.

Trenton monthly rainfall chart (mm) Trenton monthly rainfall chart (inches)
Average monthly rainfall in Trenton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 25 64 85 110 98 121 101 107 73 50 38
inches 1.1 1 2.5 3.4 4.3 3.9 4.8 4 4.2 2.9 2 1.5
Rainy days 7 8 10 11 12 10 8 9 9 8 8 9

Average annual rainfall in Trenton: 849.6mm (334.5 inches)

Average daily sunshine

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

Trenton average daily sunshine chart
Average daily sunshine Trenton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6 6.3 7.2 8.4 9.5 10.8 11.3 10.1 8.5 7.4 5.4 5

Day / night temperatures

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

Trenton average minimum / maximum temperatures (Celsius) Trenton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Trenton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.5 -8.8 -1.9 4.7 10.6 15.9 18.4 16.8 12.1 5.7 -1.3 -8.1
Max °C -0.1 3 10.1 16.9 22.7 27.8 30.8 29.4 24.7 19 10.3 2.5
Min °F 11.3 16.3 28.7 40.5 51 60.5 65.1 62.2 53.8 42.2 29.8 17.5
Max °F 21.6 26.8 39.4 51.4 61.9 71.2 76.3 73.6 65.1 54.1 40.1 27

Sea temperature

The graph below shows the average sea temperature.

Trenton average sea temperature chart (Celsius) Trenton average sea temperature chart (Fahrenheit)
Average sea temperature around Trenton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.8 9.5 10 11.3 13.2 15.6 18.2 20.8 19.6 16.1 13 11
°F 49.6 49 50 52.3 55.8 60.1 64.7 69.4 67.3 61 55.4 51.7

Wind speed

The graph below shows the average wind speed.

Trenton average winspeed by month (km/h) Trenton average winspeed by month (mph)
Average wind speed in Trenton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 21 21 17 16 15 14 16 17 18 19
mph 12 12 13 13 11 10 9 9 10 11 11 12

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.

Trenton relative humidity averages
Average relative humidity in Trenton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 71% 68% 63% 67% 68% 69% 71% 71% 68% 71% 73%

Other monthly averages

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Trenton weather stats

Trenton weather statistics
Hottest month: July 30.5°C 86.9°F
Driest month: February 25mm 1ins
Sunniest month: July 11.3hrs
Coldest month: January -0.4°C 31.3°F
Wettest month: July 121mm 4.8ins
Warmest sea: August 20.8°C 69.4°F
Map showing location of Trenton (40.0789, -93.61661) Trenton map pin © Google

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