Hiram (GA) Weather & Climate: Best Time to Visit

The climate in Hiram is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).

At night, temperatures range from around 21°C (70°F) in August to -1°C (30°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hiram has a notably wet climate with abundant precipitation, recording 1229 mm (48 in) of rain/snowfall per year. Hiram experiences moderate seasonal variation in rainfall, with monthly averages ranging from 143 mm (5.6 in) in December, the wettest month, and 75 mm (3 in) in June, the driest month. For more details, please visit our Hiram Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Hiram can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 5.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Hiram.

The city experiences its highest humidity in August, reaching 75%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year