Gastonia (NC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gastonia.
Climate overview of Gastonia
The climate in Gastonia, North Carolina, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 11°C (52°F) in January.
With around 1095 mm (43 in) of annual rain/snowfall, Gastonia has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has very warm summers and cold winters. The wettest month is December. The most sunshine falls in May, with an average of 9.8 hours of daily sunshine.
Gastonia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gastonia - and find the best time to visit.
Monthly Temperature in Gastonia
In Gastonia, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).
At night, temperatures range from around 20°C (68°F) in July to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gastonia
Gastonia experiences significant rain/snowfall throughout the year, averaging 1095 mm (43 in) of precipitation annually. Gastonia experiences moderate seasonal variation in rainfall, with monthly averages ranging from 121 mm (4.8 in) in December, the wettest month, and 67 mm (2.6 in) in October, the driest month. For more details, please visit our Gastonia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Gastonia
Gastonia can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 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
Humidity in Gastonia by Month
The relative humidity is high throughout the year in Gastonia.
The city experiences its highest humidity in August, reaching 74%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Gastonia
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, September and October
- Warmest weather: June, July and August
- Most sunshine: May, June and July
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Gastonia
What is the best time to visit Gastonia?
April, May, September and October typically offer the most optimal weather in Gastonia. In contrast, December tends to have less optimal conditions. Gastonia has very warm summers and cold winters.
What temperatures can I expect in Gastonia?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in July. Nighttime lows range from -1°C (30°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Gastonia get?
Annual rainfall is around 1095 mm (43 in). December is the wettest month with 121 mm (4.8 in), while October is the driest with 67 mm (2.6 in).
How sunny is Gastonia?
Gastonia receives around 2,829 hours of sunshine per year. May is the sunniest month with 293 hours, while December is the cloudiest with just 170 hours. Overall, Gastonia enjoys abundant sunshine.
Gastonia 3-Day Forecast
Gastonia (NC) 3-Day Forecast
Gastonia on the map
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