Alpharetta Weather in January

January in Alpharetta brings low temperatures, with highs of 10°C (50°F) and nights dropping to -1°C (30°F). Rainfall is on the higher side this month, averaging around 111 mm (4.4 in), so keep a rain jacket handy.

Rainfall in Alpharetta in January

You can expect snow/rain on roughly 11 days based on historical data, averaging 111 mm (4.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Alpharetta in January

Temperatures in Alpharetta in January top out at 10°C (50°F) and drop to -1°C (30°F) overnight. Experience the winter season in January. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Experience the mildest weather of the year in January.

Sunshine in Alpharetta in January

The area experiences a moderate amount of sunshine, with approximately 164 hours of sunlight expected. This means a decent mix of sun and overcast.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Alpharetta. Our weather planner can help you explore destinations with more pleasant weather conditions.