Richardson (TX) monthly weather averages

Average daytime temperature

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

Richardson average temperature chart (Celsius) Richardson average temperature chart (Fahrenheit)
Average monthly temperatures in Richardson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.9 14.6 19.5 24.3 28 32.3 34.9 34.9 30.5 25.4 18.9 13.7
°F 53.4 58.2 67.1 75.8 82.5 90.1 94.8 94.8 87 77.7 66.1 56.7

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.

Richardson monthly rainfall chart (mm) Richardson monthly rainfall chart (inches)
Average monthly rainfall in Richardson (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 49 63 78 103 131 87 60 56 89 97 65 56
inches 1.9 2.5 3.1 4.1 5.2 3.4 2.4 2.2 3.5 3.8 2.6 2.2
Rainy days 7 7 8 8 9 7 5 5 7 6 6 7

Average annual rainfall in Richardson: 870.867mm (342.9 inches)

Average daily sunshine

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

Richardson average daily sunshine chart
Average daily sunshine Richardson
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 6.8 7.8 8.4 8.9 10.6 11.4 10.5 8.7 7.9 6.6 6.1

Day / night temperatures

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

Richardson average minimum / maximum temperatures (Celsius) Richardson average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Richardson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.9 3 7.6 12.6 16.9 21.3 23.7 23.5 19.8 13.6 7.8 2.8
Max °C 12.2 14.9 19.8 24.6 28.3 32.6 35.2 35.2 30.8 25.7 19.2 14
Min °F 33.5 37.3 45.7 54.7 62.4 70.3 74.6 74.2 67.6 56.4 46 37
Max °F 43.7 48 56.7 65.5 72.7 80.4 84.9 84.7 77.5 67.3 56.3 47.1

Sea temperature

The graph below shows the average sea temperature.

Richardson average sea temperature chart (Celsius) Richardson average sea temperature chart (Fahrenheit)
Average sea temperature around Richardson in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.4 15.1 16 17.9 20.5 23.3 25.3 26.5 25.5 22.5 19.4 17
°F 59.8 59.2 60.8 64.2 68.9 73.9 77.6 79.8 77.9 72.4 67 62.6

Wind speed

The graph below shows the average wind speed.

Richardson average winspeed by month (km/h) Richardson average winspeed by month (mph)
Average wind speed in Richardson (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 19 21 20 18 17 16 14 15 16 17 18
mph 11 12 13 13 11 10 10 9 9 10 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.

Richardson relative humidity averages
Average relative humidity in Richardson
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
69% 67% 64% 66% 70% 67% 61% 61% 68% 67% 68% 69%

Other monthly averages

UV index Best time to go?

Richardson weather stats

Richardson weather statistics
Hottest month: July 34.9°C 94.8°F
Driest month: January 49mm 1.9ins
Sunniest month: July 11.4hrs
Coldest month: January 11.9°C 53.4°F
Wettest month: May 131mm 5.2ins
Warmest sea: August 26.5°C 79.7°F
Map showing location of Richardson (32.94818, -96.72972) Richardson map pin © Google

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