Greenville
United States · North America
Year-round range: 34°F to 88°F
May
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
May has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = MayRainfall
Monthly rain and rain days.
May is one of the wetter months — pack rain gear.
Sunshine
Average hours of bright sun per day.
May is sunny overall, with occasional showers to plan around.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
May is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for May.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In May, afternoons reach about 78° and nights settle near 60°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 50°F | 34°F | 13 | 4.2in | 5.6h | 68.28571428571428% |
| Feb | 55°F | 37°F | 12 | 4.0in | 5.8h | 67.28571428571428% |
| Mar | 63°F | 42°F | 13 | 4.4in | 6.7h | 63.57142857142856% |
| Apr | 71°F | 50°F | 12 | 4.2in | 7.8h | 63.42857142857142% |
| May | 78°F | 58°F | 14 | 4.5in | 8h | 66.28571428571428% |
| Jun | 85°F | 66°F | 14 | 4.5in | 7.9h | 68.14285714285714% |
| Jul | 88°F | 70°F | 16 | 4.9in | 7.9h | 69.42857142857142% |
| Aug | 86°F | 69°F | 15 | 4.7in | 7.6h | 71.28571428571428% |
| Sep | 80°F | 63°F | 13 | 4.5in | 7.5h | 69.28571428571428% |
| Oct | 71°F | 52°F | 11 | 3.7in | 7.6h | 68.85714285714285% |
| Nov | 61°F | 43°F | 12 | 3.9in | 6.5h | 67.28571428571428% |
| Dec | 53°F | 37°F | 10 | 5.1in | 5.3h | 71.42857142857142% |
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Planning notes
Expect some rain.