Bay City (TX) monthly weather averages

Average daytime temperature

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

Bay City average temperature chart (Celsius) Bay City average temperature chart (Fahrenheit)
Average monthly temperatures in Bay City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.4 17.7 21.7 25.4 28.3 31.1 32.4 32.6 30.8 27.3 22.6 18.2
°F 61.5 63.9 71 77.8 83 88.1 90.3 90.7 87.4 81.2 72.7 64.8

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.

Bay City monthly rainfall chart (mm) Bay City monthly rainfall chart (inches)
Average monthly rainfall in Bay City (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 77 73 56 72 117 119 87 101 140 93 79 77
inches 3 2.9 2.2 2.8 4.6 4.7 3.4 4 5.5 3.7 3.1 3
Rainy days 9 7 7 6 7 8 8 9 10 7 7 8

Average annual rainfall in Bay City: 1023.7mm (403 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Bay City

Bay City average daily sunshine chart
Average daily sunshine Bay City
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6 7 7.6 8.5 10.3 10.7 9.9 8.5 8 6.2 5.1

Day / night temperatures

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

Bay City average minimum / maximum temperatures (Celsius) Bay City average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bay City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.6 7.7 11.7 16.4 19.9 22.9 23.8 23.6 21.6 16.6 12.2 7.9
Max °C 16.7 18 21.9 25.7 28.6 31.4 32.6 32.9 31 27.6 22.9 18.5
Min °F 43.8 45.8 53.1 61.4 67.7 73.1 74.8 74.4 70.9 61.9 53.9 46.2
Max °F 52.9 55 62.2 69.8 75.6 80.8 82.8 82.8 79.3 71.8 63.5 55.8

Sea temperature

The graph below shows the average sea temperature.

Bay City average sea temperature chart (Celsius) Bay City average sea temperature chart (Fahrenheit)
Average sea temperature around Bay City in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19 18.4 19.3 21.5 24.9 28 29.1 29.5 28.8 26.5 23.4 20.9
°F 66.3 65.1 66.7 70.7 76.7 82.4 84.5 85 83.9 79.7 74.2 69.6

Wind speed

The graph below shows the average wind speed.

Bay City average winspeed by month (km/h) Bay City average winspeed by month (mph)
Average wind speed in Bay City (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 18 19 19 17 16 14 13 14 14 16 17
mph 11 11 12 12 11 10 9 8 9 9 10 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.

Bay City relative humidity averages
Average relative humidity in Bay City
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 75% 74% 75% 77% 77% 76% 76% 77% 76% 77% 77%