Charleston
United States · North America
Year-round range: 43°F to 88°F
April
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
April 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.
| = AprRainfall
Monthly rain and rain days.
April has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
April is one of the sunniest months — great for outdoor plans.
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.
April is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for April.
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 April, afternoons reach about 74° and nights settle near 58°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 59°F | 43°F | 8 | 3.3in | 5.7h | 71.28571428571428% | 71°F |
| Feb | 62°F | 46°F | 9 | 3.0in | 5.9h | 71.42857142857142% | 70°F |
| Mar | 68°F | 51°F | 9 | 3.4in | 7h | 69% | 70°F |
| Apr | 74°F | 58°F | 8 | 3.3in | 8.4h | 68.42857142857142% | 73°F |
| May | 81°F | 66°F | 11 | 3.4in | 8.5h | 70.85714285714286% | 76°F |
| Jun | 86°F | 72°F | 17 | 6.0in | 7.8h | 77.42857142857142% | 81°F |
| Jul | 88°F | 76°F | 20 | 6.7in | 7.4h | 79.85714285714286% | 83°F |
| Aug | 86°F | 75°F | 21 | 7.0in | 6.9h | 81.71428571428571% | 84°F |
| Sep | 82°F | 70°F | 13 | 5.7in | 6.9h | 78.57142857142857% | 83°F |
| Oct | 75°F | 61°F | 8 | 3.7in | 7.5h | 74.71428571428571% | 79°F |
| Nov | 67°F | 52°F | 6 | 2.5in | 6.7h | 72.57142857142857% | 75°F |
| Dec | 61°F | 46°F | 8 | 3.3in | 5.5h | 74.42857142857142% | 73°F |