Gastonia, North Carolina Weather
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Climate of Gastonia: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Gastonia, with average daytime highs around 32°C. January is the coolest, when nights typically fall to about -2°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 34°C, so the seasons feel very different from each other.
The area receives about 1130 mm of rain in a typical year. Most of it falls from May to August, and July is the wettest month at roughly 113 mm.
For outdoor plans and travel, April and September to October usually offer the most comfortable weather in Gastonia, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 9° | -2° | 76 mm | 80% |
| Feb | 11° | -1° | 75 mm | 79% |
| Mar | 16° | 3° | 91 mm | 79% |
| Apr | 21° | 9° | 92 mm | 76% |
| May | 26° | 14° | 103 mm | 75% |
| Jun | 30° | 19° | 106 mm | 71% |
| Jul | 32° | 21° | 113 mm | 69% |
| Aug | 32° | 20° | 111 mm | 69% |
| Sep | 28° | 16° | 97 mm | 70% |
| Oct | 22° | 9° | 83 mm | 73% |
| Nov | 16° | 3° | 86 mm | 74% |
| Dec | 11° | 0° | 99 mm | 80% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Gastonia. Values describe typical conditions, not a forecast.
About Gastonia weather
Gastonia, in North Carolina's range from Atlantic coastal plain to the cooler Appalachian mountains, is positioned about 31 km west of Charlotte. The warmer months mean hot, humid summers (June–August) with highs in the low-to-mid 30s°C. Finally, there's mild winters near the coast, colder with regular snow in the mountains. This page shows live, auto-refreshing weather for Gastonia: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Gastonia is about 31 km west of Charlotte, in North Carolina.
Gastonia sees mild winters near the coast, colder with regular snow in the mountains.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Gastonia's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Gastonia, with average daytime highs of about 32°C and nights around 21°C.
The coldest nights come in January, when the average low is about -2°C and daytime highs reach around 9°C. Frost is possible on clear, calm nights.
Gastonia receives about 1130 mm of rain in a typical year. July is the wettest month at roughly 113 mm, and the main rainy period is May to August.
April and September to October usually offer the most comfortable weather in Gastonia, with mild daytime temperatures and little rain.
In November Gastonia typically sees daytime highs near 16°C and lows near 3°C, with about 86 mm of rain over the month and average humidity around 74%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Gastonia updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Gastonia's day-to-day weather follows the broader pattern of North Carolina described above. See the hourly weather forecast or the air quality index for more detail.