Suwanee Weather in May

May in Suwanee averages 26°C (79°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 104 mm (4.1 in) on average. An umbrella is a good idea.

Rainfall in Suwanee in May

Expect around 10 days of rain based on historical data, with 104 mm (4.1 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Suwanee in May

In May, Suwanee gets high temperatures, with highs of 26°C (79°F). Nights cool to around 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Suwanee in May

The days are predominantly sunny, with an estimated total of around 288 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, April and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.