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SunnyDays

ERA5 almanac comparison — 8 years of real data

Charleston vs Memphis: weather in June

Memphis edges out Charleston for sun in June: 38% clear historically versus 22% (8-year ERA5 average, a 16-point gap). Charleston also sees measurably more rain than Memphis this month (54% vs 38% of days). Both are viable — Memphis is the safer bet.

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

Charleston

SC

Clear days, June
22%
Sample size
n=240 days
Avg high
85°F
Early June (1st–15th)
20%
Late June (16th–end)
23%
Rain frequency
54% of days
See the live forecast →

Memphis

TN

Clear days, June
38%
Sample size
n=240 days
Avg high
88°F
Early June (1st–15th)
43%
Late June (16th–end)
32%
Rain frequency
38% of days

Frequently asked

Is Charleston or Memphis warmer in June?

Memphis runs warmer by day in June. Charleston averages highs of 85°F (highs n=240 days); Memphis averages highs of 88°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Charleston or Memphis in June?

Charleston is measurably wetter than Memphis. Days with measurable rain: Charleston 54%, Memphis 38% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in June, Charleston or Memphis?

Memphis edges out Charleston for sun in June: 38% clear historically versus 22% (8-year ERA5 average, a 16-point gap). Charleston also sees measurably more rain than Memphis this month (54% vs 38% of days). Both are viable — Memphis is the safer bet.

Compare Charleston vs Memphis 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.