Skip to main content
SunnyDays

ERA5 almanac comparison — 8 years of real data

Charleston vs Turks & Caicos: weather in August

Turks & Caicos edges out Charleston for sun in August: 27% clear historically versus 12% (8-year ERA5 average, a 15-point gap). Charleston also sees measurably more rain than Turks & Caicos this month (62% vs 35% of days). Both are viable — Turks & Caicos is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific August. For the actual forecast right now, each destination links to its live page below.

Charleston

SC

Clear days, August
12%
Sample size
n=248 days
Avg high
85°F
Early August (1st–15th)
11%
Late August (16th–end)
12%
Rain frequency
62% of days
See the live forecast →

Turks & Caicos

Turks & Caicos Is

Clear days, August
27%
Sample size
n=248 days
Avg high
85°F
Early August (1st–15th)
24%
Late August (16th–end)
29%
Rain frequency
35% of days

Frequently asked

Is Charleston or Turks & Caicos warmer in August?

Equally warm by day in August. Charleston averages highs of 85°F (highs n=248 days); Turks & Caicos averages highs of 85°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Charleston or Turks & Caicos in August?

Charleston is measurably wetter than Turks & Caicos. Days with measurable rain: Charleston 62%, Turks & Caicos 35% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in August, Charleston or Turks & Caicos?

Turks & Caicos edges out Charleston for sun in August: 27% clear historically versus 12% (8-year ERA5 average, a 15-point gap). Charleston also sees measurably more rain than Turks & Caicos this month (62% vs 35% of days). Both are viable — Turks & Caicos is the safer bet.

Compare Charleston vs Turks & Caicos 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.