Baytown (TX) monthly weather averages

Average daytime temperature

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

Baytown average temperature chart (Celsius) Baytown average temperature chart (Fahrenheit)
Average monthly temperatures in Baytown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.3 17.2 21 24.9 28.3 31.2 32.6 32.7 30.4 26.5 21.5 17.3
°F 59.5 63 69.8 76.8 82.9 88.2 90.7 90.9 86.7 79.6 70.7 63.1

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.

Baytown monthly rainfall chart (mm) Baytown monthly rainfall chart (inches)
Average monthly rainfall in Baytown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 90 92 70 82 125 131 108 107 137 96 104 105
inches 3.5 3.6 2.7 3.2 4.9 5.2 4.2 4.2 5.4 3.8 4.1 4.1
Rainy days 10 8 8 6 7 8 9 10 10 7 8 9

Average annual rainfall in Baytown: 1180.733mm (464.9 inches)

Average daily sunshine

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

Baytown average daily sunshine chart
Average daily sunshine Baytown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6.1 6.8 7.6 8.8 10.2 10.2 9.4 8.4 8.1 6.3 5.3

Day / night temperatures

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

Baytown average minimum / maximum temperatures (Celsius) Baytown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Baytown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.5 8.2 11.8 16.3 19.9 23 24.2 24.1 21.8 16.5 12.1 8.1
Max °C 15.5 17.5 21.3 25.1 28.5 31.4 32.8 33 30.6 26.7 21.8 17.5
Min °F 43.7 46.7 53.2 61.3 67.8 73.4 75.6 75.3 71.2 61.7 53.7 46.6
Max °F 51.8 55 61.7 69.3 75.6 81 83.3 83.3 79.2 70.9 62.4 55

Sea temperature

The graph below shows the average sea temperature.

Baytown average sea temperature chart (Celsius) Baytown average sea temperature chart (Fahrenheit)
Average sea temperature around Baytown in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.9 16.4 17.9 20.8 24.6 28.2 29.6 29.9 28.8 25.7 22.1 19.1
°F 62.5 61.5 64.2 69.5 76.4 82.8 85.2 85.8 83.8 78.3 71.8 66.4

Wind speed

The graph below shows the average wind speed.

Baytown average winspeed by month (km/h) Baytown average winspeed by month (mph)
Average wind speed in Baytown (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 18 18 16 14 12 12 13 13 15 16
mph 10 11 11 11 10 9 8 7 8 8 9 10

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.

Baytown relative humidity averages
Average relative humidity in Baytown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 75% 75% 75% 77% 77% 77% 77% 78% 76% 77% 78%