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SunnyDays

ERA5 almanac comparison — 8 years of real data

Fort Lauderdale vs Jacksonville: weather in May

Jacksonville edges out Fort Lauderdale for sun in May: 41% clear historically versus 20% (8-year ERA5 average, a 21-point gap). Fort Lauderdale also sees measurably more rain than Jacksonville this month (55% vs 33% of days). Both are viable — Jacksonville is the safer bet.

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

Fort Lauderdale

FL

Clear days, May
20%
Sample size
n=248 days
Avg high
85°F
Early May (1st–15th)
26%
Late May (16th–end)
15%
Rain frequency
55% of days
See the live forecast →

Jacksonville

FL

Clear days, May
41%
Sample size
n=248 days
Avg high
85°F
Early May (1st–15th)
46%
Late May (16th–end)
37%
Rain frequency
33% of days
See the live forecast →

Frequently asked

Is Fort Lauderdale or Jacksonville warmer in May?

Equally warm by day in May. Fort Lauderdale averages highs of 85°F (highs n=248 days); Jacksonville averages highs of 85°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Fort Lauderdale or Jacksonville in May?

Fort Lauderdale is measurably wetter than Jacksonville. Days with measurable rain: Fort Lauderdale 55%, Jacksonville 33% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in May, Fort Lauderdale or Jacksonville?

Jacksonville edges out Fort Lauderdale for sun in May: 41% clear historically versus 20% (8-year ERA5 average, a 21-point gap). Fort Lauderdale also sees measurably more rain than Jacksonville this month (55% vs 33% of days). Both are viable — Jacksonville is the safer bet.

Compare Fort Lauderdale vs Jacksonville 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.