ERA5 almanac comparison — 8 years of real data
Aruba vs Charleston: weather in April
Charleston edges out Aruba for sun in April: 38% clear historically versus 33% (8-year ERA5 average, a 5-point gap). Both are viable — Charleston is the safer bet.
Aruba
Aruba
- Clear days, April
- 33%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early April (1st–15th)
- 40%
- Late April (16th–end)
- 26%
- Rain frequency
- 24% of days
Charleston
SC
- Clear days, April
- 38%
- Sample size
- n=240 days
- Avg high
- 74°F
- Early April (1st–15th)
- 30%
- Late April (16th–end)
- 45%
- Rain frequency
- 26% of days
Frequently asked
Is Aruba or Charleston warmer in April?
Aruba runs warmer by day in April. Aruba averages highs of 86°F (highs n=240 days); Charleston averages highs of 74°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Aruba or Charleston in April?
Days with measurable rain: Aruba 24%, Charleston 26% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Aruba or Charleston?
Charleston edges out Aruba for sun in April: 38% clear historically versus 33% (8-year ERA5 average, a 5-point gap). Both are viable — Charleston is the safer bet.
Compare Aruba vs Charleston in another month
All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.