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SunnyDays

ERA5 almanac — 8 years of real data

Destin in June

Destin in June is historically a poor month for sun: only 14% of days clear across 8 years (n=240, avg high 86°F). October is the clearest month for Destin historically. Historical average, not a forecast.

What you are reading: 8-year historical averages from the ERA5 reanalysis, not a forecast. A month that is historically 90% clear can still be overcast on your specific trip. For this week’s actual forecast, see the live Destin page. Both can be true at once: “historically strong in this month; this particular week is not.” We label which is which.

Early vs. Late June

Clear-sky percentage for Destin in June, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early June
1st–15th		 16% n=120 86°F
Late June
16th–end		 11% n=120 86°F
Full month average 14% n=240 86°F

Sunshine & warmth in June

A second measure using actual sunshine hours (ERA5 sunshine_duration), not the daily weather code. A Lowcountry day with 12 hours of sun and a 25-minute afternoon storm is counted below as a warm, sunny day — because it was. How we define this.

Sunshine-based metrics for Destin in June. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early June
1st–15th		 95% n=120
Late June
16th–end		 95% n=120
Full month average 95% n=240
12.9 h median sunshine per day 91% of days exceed 8 h sunshine 65% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 14%. Sunshine-based “warm & sunny”: 95%. The 81-point gap is from brief afternoon convective storms that stamp the whole day as “rain” in the WMO code but leave the bulk of the sunshine untouched.

Bottom line

Destin is a poor choice for sun in June: just 14% of days clear historically (n=240). October is the historically strongest month for sun here. The 8-year record is consistent — this is not a fluke bad stretch.

→ See all destinations in October — historically the best month for sun in Destin.

Every month in Destin

Compare across all months with data. Numbers are historical clear-sky %.

Historical clear-sky % for Destin, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 0% n=248 All destinations →
February 7% n=226 All destinations →
March 15% n=248 All destinations →
April 38% n=240 All destinations →
May 38% n=248 All destinations →
June ← this page 14% n=240 All destinations →
July 4% n=248 All destinations →
August 10% n=248 All destinations →
September 33% n=240 All destinations →
October 49% n=248 All destinations →
November 20% n=240 All destinations →
December 4% n=248 All destinations →

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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.