Roswell (GA) monthly weather averages

Contents

Average daytime temperature

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

Roswell average temperature chart (Celsius) Roswell average temperature chart (Fahrenheit)
Average monthly temperatures in Roswell (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.5 12.3 17.2 22.1 25.8 29.2 30.6 30.1 27.1 21.9 16.8 11.6
°F 49.2 54.1 63 71.8 78.4 84.6 87.1 86.2 80.8 71.5 62.2 52.8

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.

Roswell monthly rainfall chart (mm) Roswell monthly rainfall chart (inches)
Average monthly rainfall in Roswell (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 125 122 150 118 107 97 130 89 96 82 91 122
inches 4.9 4.8 5.9 4.6 4.2 3.8 5.1 3.5 3.8 3.2 3.6 4.8
Rainy days 12 10 11 9 10 10 12 9 8 7 9 10

Average annual rainfall in Roswell: 1278.466mm (503.3 inches)

Average daily sunshine

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

Roswell average daily sunshine chart
Average daily sunshine Roswell
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.3 6.2 7.3 8.8 9.6 9.9 9.3 8.8 8 7.9 6.1 5.2

Day / night temperatures

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

Roswell average minimum / maximum temperatures (Celsius) Roswell average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Roswell (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -1.4 0.3 4.7 8.8 13.3 17.5 19.7 19.4 16 9.4 4.6 0.6
Max °C 9.8 12.6 17.6 22.5 26.1 29.5 30.9 30.4 27.4 22.3 17.1 11.9
Min °F 29.5 32.5 40.4 47.8 55.9 63.5 67.5 66.9 60.8 48.8 40.2 33
Max °F 39.6 43.5 52 60.1 67.5 74.3 77.5 76.8 71.1 60.4 51.4 43.2

Sea temperature

The graph below shows the average sea temperature.

Roswell average sea temperature chart (Celsius) Roswell average sea temperature chart (Fahrenheit)
Average sea temperature around Roswell in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.4 12.7 13 15 18.6 23 26.2 26.9 25.5 21.8 18 15.3
°F 56.2 54.8 55.5 58.9 65.5 73.5 79.2 80.5 77.9 71.2 64.5 59.5

Wind speed

The graph below shows the average wind speed.

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

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.

Roswell relative humidity averages
Average relative humidity in Roswell
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
69% 65% 63% 62% 69% 71% 75% 76% 75% 71% 70% 70%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Roswell weather stats

Roswell weather statistics
Hottest month: July 30.6°C 87.1°F
Driest month: October 82mm 3.2ins
Sunniest month: May 9.6hrs
Coldest month: January 9.5°C 49.1°F
Wettest month: March 150mm 5.9ins
Warmest sea: August 26.9°C 80.4°F
Map showing location of Roswell (34.02316, -84.36159) Roswell map pin © Google

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