February is one of the cooler months of the year in Alpharetta, with average highs near 12.7°C and lows around 1.4°C (mean 7.1°C). It is a relatively wet time of year, averaging 124 mm of rainfall and 83% relative humidity across the period.
February is one of the cooler months of the year in Alpharetta. Across 45 years of records, the warmest February in Alpharetta was 2018 — when the month averaged 12.2°C — while the coldest was 2010 at 2.5°C. Typical February days reach 12.7°C with nights near 1.4°C. The long-term trend is warming, about 0.6°C per decade.
February is a relatively wet time of year in Alpharetta, averaging 124 mm of rainfall. The wettest February on record was 2020 with 257 mm, while the driest was 2000 at 49 mm.
Relative humidity in Alpharetta during February averages 83%. The most humid February was 1998 at 88%, and the least humid was 2015 at 76%.
February receives about 3.1 kWh/m²/day of solar energy in Alpharetta. The sunniest February was 2002 at 4 kWh/m²/day, and the cloudiest were 2018, 2019 and 2020 at 2.5.
Average wind speed in Alpharetta during February is 1.3 m/s. The windiest February was 1998 at 1.6 m/s, while the calmest were 2012, 2017 and 2018, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.0°C | 7.0°C | 6.7°C | 7.4°C | 8.9°C | +2.9°C |
| Avg High | 11.5°C | 12.5°C | 12.7°C | 13.0°C | 14.7°C | +3.2°C |
| Avg Low | 0.6°C | 1.6°C | 0.7°C | 1.8°C | 3.0°C | +2.4°C |
| Avg Rain | 132 mm | 143 mm | 97 mm | 116 mm | 139 mm | +8 mm |
February temperatures in Alpharetta have risen by about 3°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -19.4°C (1996) to a record high of 25°C (2018).
Rainfall in February is a relatively wet time of year, averaging 124 mm, with a wettest year of 257 mm.
A quieter season to visit Alpharetta
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Alpharetta. That said, February — with days averaging 12.7°C and nights around 1.4°C (mean 7.1°C) and higher rainfall (124 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 15.6°C | 9.3°C | 2.9°C | 22.8°C | -6.6°C | 134 mm | 80% | 1.3 m/s | 3.4 |
| 2024 | 15.3°C | 8.9°C | 2.6°C | 23.1°C | -3.2°C | 101 mm | 79% | 1.3 m/s | 3.5 |
| 2023 | 16.9°C | 11.4°C | 6.0°C | 24.9°C | -4.8°C | 101 mm | 85% | 1.3 m/s | 2.9 |
| 2022 | 15.0°C | 8.4°C | 1.7°C | 23.4°C | -4.8°C | 150 mm | 80% | 1.3 m/s | 3.5 |
| 2021 | 12.3°C | 7.0°C | 1.7°C | 23.3°C | -6.3°C | 93 mm | 83% | 1.3 m/s | 3 |
| 2020 🌧️ | 13.2°C | 8.1°C | 3.0°C | 22.1°C | -3.6°C | 257 mm | 87% | 1.3 m/s | 2.5 |
| 2019 | 15.7°C | 10.5°C | 5.2°C | 22.8°C | -2.1°C | 164 mm | 86% | 1.3 m/s | 2.5 |
| 2018 🔥 | 17.6°C | 12.2°C | 6.8°C | 25.0°C | -5.3°C | 173 mm | 86% | 1.2 m/s | 2.5 |
| 2017 | 16.9°C | 10.6°C | 4.3°C | 23.4°C | -5.1°C | 60 mm | 81% | 1.2 m/s | 3.2 |
| 2016 | 12.4°C | 7.0°C | 1.6°C | 21.3°C | -5.8°C | 127 mm | 84% | 1.4 m/s | 3.3 |
| 2015 | 8.7°C | 2.7°C | -3.3°C | 17.4°C | -11.4°C | 101 mm | 76% | 1.4 m/s | 3.3 |
| 2014 | 11.8°C | 6.0°C | 0.3°C | 21.4°C | -6.4°C | 105 mm | 83% | 1.3 m/s | 3.4 |
| 2013 | 11.4°C | 5.9°C | 0.4°C | 17.9°C | -6.1°C | 166 mm | 83% | 1.3 m/s | 3 |
| 2012 | 14.3°C | 8.7°C | 3.0°C | 22.5°C | -7.0°C | 54 mm | 83% | 1.2 m/s | 3.1 |
| 2011 | 14.1°C | 7.8°C | 1.4°C | 23.6°C | -4.9°C | 105 mm | 81% | 1.3 m/s | 3.5 |
| 2010 ❄️ | 7.1°C | 2.5°C | -2.1°C | 16.1°C | -5.7°C | 106 mm | 84% | 1.5 m/s | 3.2 |
| 2009 | 12.9°C | 6.4°C | 0.0°C | 19.8°C | -8.2°C | 97 mm | 80% | 1.3 m/s | 3.5 |
| 2008 | 14.3°C | 7.5°C | 0.7°C | 21.8°C | -6.0°C | 117 mm | 81% | 1.3 m/s | 3.1 |
| 2007 | 11.3°C | 5.2°C | -0.9°C | 19.3°C | -5.9°C | 73 mm | 77% | 1.4 m/s | 3.7 |
| 2006 | 10.9°C | 5.4°C | -0.1°C | 19.2°C | -5.2°C | 109 mm | 81% | 1.2 m/s | 3 |
| 2005 | 13.2°C | 7.8°C | 2.4°C | 21.0°C | -5.0°C | 140 mm | 85% | 1.2 m/s | 2.9 |
| 2004 | 10.4°C | 5.2°C | -0.1°C | 16.2°C | -5.1°C | 107 mm | 83% | 1.3 m/s | 2.6 |
| 2003 | 11.9°C | 6.4°C | 0.9°C | 22.3°C | -5.4°C | 133 mm | 85% | 1.3 m/s | 2.7 |
| 2002 | 11.8°C | 5.7°C | -0.4°C | 18.7°C | -6.2°C | 54 mm | 77% | 1.3 m/s | 4 |
| 2001 | 14.8°C | 8.8°C | 2.8°C | 22.5°C | -5.1°C | 93 mm | 83% | 1.2 m/s | 3.1 |
| 2000 | 15.1°C | 8.3°C | 1.5°C | 22.2°C | -5.4°C | 49 mm | 80% | 1.2 m/s | 3.8 |
| 1999 | 14.1°C | 8.2°C | 2.3°C | 22.7°C | -6.4°C | 78 mm | 81% | 1.2 m/s | 3.2 |
| 1998 | 11.4°C | 6.8°C | 2.2°C | 20.5°C | -4.0°C | 203 mm | 88% | 1.6 m/s | 3.1 |
| 1997 | 13.6°C | 8.2°C | 2.8°C | 22.4°C | -4.2°C | 197 mm | 86% | 1.2 m/s | 2.8 |
| 1996 | 10.4°C | 4.9°C | -0.6°C | 22.7°C | -19.4°C | 97 mm | 85% | 1.4 m/s | 3 |
| 1995 | 10.8°C | 5.3°C | -0.1°C | 22.4°C | -11.1°C | 188 mm | 81% | 1.3 m/s | 3.2 |
| 1994 | 13.4°C | 7.6°C | 1.9°C | 22.5°C | -5.8°C | 112 mm | 82% | 1.3 m/s | 3.2 |
| 1993 | 9.5°C | 4.4°C | -0.7°C | 17.0°C | -6.4°C | 103 mm | 84% | 1.4 m/s | 3.1 |
| 1992 | 13.7°C | 8.1°C | 2.5°C | 20.5°C | -6.0°C | 139 mm | 82% | 1.2 m/s | 3.5 |
| 1991 | 12.8°C | 7.2°C | 1.7°C | 19.1°C | -9.4°C | 103 mm | 82% | 1.3 m/s | 3.1 |
| 1990 | 14.8°C | 9.2°C | 3.6°C | 20.1°C | -5.1°C | 213 mm | 87% | 1.4 m/s | 3.1 |
| 1989 | 11.6°C | 6.2°C | 0.9°C | 23.1°C | -6.8°C | 126 mm | 83% | 1.4 m/s | 2.6 |
| 1988 | 10.8°C | 4.8°C | -1.1°C | 20.1°C | -8.1°C | 68 mm | 77% | 1.3 m/s | 3.4 |
| 1987 | 10.0°C | 5.3°C | 0.6°C | 17.1°C | -5.2°C | 158 mm | 86% | 1.4 m/s | 2.6 |
| 1986 | 14.0°C | 8.0°C | 2.0°C | 23.1°C | -6.8°C | 57 mm | 81% | 1.2 m/s | 2.9 |
| 1985 | 10.3°C | 4.9°C | -0.4°C | 21.4°C | -8.2°C | 133 mm | 82% | 1.2 m/s | 3.1 |
| 1984 | 12.4°C | 7.0°C | 1.6°C | 19.5°C | -6.6°C | 128 mm | 84% | 1.4 m/s | 3.4 |
| 1983 | 10.4°C | 5.3°C | 0.2°C | 16.3°C | -6.3°C | 138 mm | 85% | 1.4 m/s | — |
| 1982 | 11.9°C | 6.7°C | 1.5°C | 20.2°C | -5.0°C | 199 mm | 86% | 1.3 m/s | — |
| 1981 | 12.3°C | 6.1°C | -0.1°C | 21.2°C | -9.3°C | 176 mm | 78% | 1.4 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 12.7°C with lows near 1.4°C (mean 7.1°C), based on 45 years of NASA POWER data.
February averages 124 mm of rainfall in Alpharetta, a relatively wet time of year. The wettest on record was 257 mm in 2020.
The hottest February reached 25°C in 2018. The coldest dipped to -19.4°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 3°C. Daytime highs moved from 11.5°C to 15°C and overnight lows from 0.6°C to 3°C over the same span.
February is one of the cooler months of the year in Alpharetta and a relatively wet time of year, so plan for around 12.7°C daytime highs and 1.4°C at night.
Not quite — February is the 3rd coolest month in Alpharetta, averaging 7.1°C.
For February in Alpharetta, pack warm layers and a jacket for chilly mornings, with typical highs of 12.7°C and lows of 1.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in February averages 83% — quite humid.
Average wind speed in February is 1.3 m/s. The windiest February on record averaged 1.6 m/s (1998).
The wettest February on record was 2020 with 257 mm. On average, February sees 124 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Alpharetta behaves each February, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for February specifically, along with year-by-year records and how the month has changed over the decades.
