Gaffney, South Carolina Weather
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Climate of Gaffney: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Gaffney, with average daytime highs around 33°C. January is the coolest, when nights typically fall to about -1°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 1230 mm of rain in a typical year. Most of it falls from March, May to September and December (around 63% of the yearly total), and December is the wettest month at roughly 119 mm.
For outdoor plans and travel, April and October usually offer the most comfortable weather in Gaffney, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 10° | -1° | 91 mm | 81% |
| Feb | 12° | 0° | 89 mm | 80% |
| Mar | 16° | 4° | 104 mm | 79% |
| Apr | 22° | 9° | 98 mm | 77% |
| May | 26° | 14° | 107 mm | 75% |
| Jun | 31° | 19° | 110 mm | 72% |
| Jul | 33° | 21° | 116 mm | 69% |
| Aug | 32° | 20° | 112 mm | 69% |
| Sep | 29° | 17° | 103 mm | 70% |
| Oct | 23° | 10° | 88 mm | 72% |
| Nov | 16° | 4° | 95 mm | 73% |
| Dec | 11° | 1° | 119 mm | 80% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Gaffney. Values describe typical conditions, not a forecast.
About Gaffney weather
Gaffney is a place in South Carolina's humid subtropical climate, coastal and low-lying for much of the state, located about 72 km east of Greenville. Gaffney gets hot, humid summers (June–August) with highs commonly in the low-to-mid 30s°C each year. Gaffney closes out the year with mild winters (December–February), rarely dropping below freezing near the coast. This page shows live, auto-refreshing weather for Gaffney: 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
Gaffney is about 72 km east of Greenville, in South Carolina.
Gaffney sees mild winters (December–February), rarely dropping below freezing near the coast.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Gaffney's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Gaffney, with average daytime highs of about 33°C and nights around 21°C.
The coldest nights come in January, when the average low is about -1°C and daytime highs reach around 10°C. Frost is possible on clear, calm nights.
Gaffney receives about 1230 mm of rain in a typical year. December is the wettest month at roughly 119 mm, and the main rainy period is March, May to September and December.
April and October usually offer the most comfortable weather in Gaffney, with mild daytime temperatures and little rain.
In November Gaffney typically sees daytime highs near 16°C and lows near 4°C, with about 95 mm of rain over the month and average humidity around 73%. 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 Gaffney 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.
Gaffney's day-to-day weather follows the broader pattern of South Carolina described above. See the hourly weather forecast or the air quality index for more detail.