Lewisville (TX) monthly weather averages

Contents

Average daytime temperature

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

Lewisville average temperature chart (Celsius) Lewisville average temperature chart (Fahrenheit)
Average monthly temperatures in Lewisville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.8 14.5 19.4 24.4 28 32.4 35.2 35.1 30.5 25.3 18.9 13.6
°F 53.3 58.1 66.8 75.9 82.4 90.4 95.3 95.1 86.9 77.5 66 56.5

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.

Lewisville monthly rainfall chart (mm) Lewisville monthly rainfall chart (inches)
Average monthly rainfall in Lewisville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 47 58 74 96 126 84 61 56 96 92 62 51
inches 1.8 2.3 2.9 3.8 5 3.3 2.4 2.2 3.8 3.6 2.4 2
Rainy days 7 6 7 8 9 7 5 5 7 6 6 7

Average annual rainfall in Lewisville: 838.766mm (330.2 inches)

Average daily sunshine

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

Lewisville average daily sunshine chart
Average daily sunshine Lewisville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.5 6.9 7.9 8.5 9 10.7 11.5 10.5 8.8 8 6.6 6.1

Day / night temperatures

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

Lewisville average minimum / maximum temperatures (Celsius) Lewisville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lewisville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.5 2.8 7.4 12.6 16.7 21.1 23.6 23.3 19.5 13.2 7.5 2.5
Max °C 12.1 14.8 19.7 24.7 28.3 32.7 35.5 35.4 30.8 25.6 19.2 13.9
Min °F 32.9 37 45.2 54.6 62.1 70 74.4 73.9 67 55.8 45.4 36.5
Max °F 43.3 47.8 56.3 65.5 72.5 80.4 85.1 84.7 77.2 66.9 55.9 46.8

Sea temperature

The graph below shows the average sea temperature.

Lewisville average sea temperature chart (Celsius) Lewisville average sea temperature chart (Fahrenheit)
Average sea temperature around Lewisville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.6 14.2 15 16.7 19.1 21.7 23.9 25.3 24.2 21.2 18.3 16
°F 58.2 57.6 59 62 66.4 71.1 75 77.5 75.6 70.1 64.9 60.9

Wind speed

The graph below shows the average wind speed.

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

Lewisville relative humidity averages
Average relative humidity in Lewisville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 67% 64% 65% 70% 67% 61% 61% 68% 66% 68% 69%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Lewisville weather stats

Lewisville weather statistics
Hottest month: July 35.2°C 95.4°F
Driest month: January 47mm 1.9ins
Sunniest month: July 11.5hrs
Coldest month: January 11.8°C 53.2°F
Wettest month: May 126mm 5ins
Warmest sea: August 25.3°C 77.5°F
Map showing location of Lewisville (33.04623, -96.99417) Lewisville map pin © Google

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