Weather in Cape Coral in May

United States · 20-year averages, May

Shoulder season. May sits in between. You will get good days and you will lose some. You should expect rain on 15 days of the month, which is more days wet than dry.

May ranks 8 of 12 in Cape Coral: past the worst of the year but short of February, which is the month to book if the dates are open.

Rain on 15 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 30.2 °C days and 22.1 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 18 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest May day reached 34.6 °C and the coldest night fell to 15.7 °C, and the wettest single day dropped 63 mm — roughly 59% of the month's rain in one day.

May is moderately variable: 25 mm in the driest year against 357 mm in the wettest, around an average of 107 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 9.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 72%.

How May sits in the year

Temperatures hold steady either side: 28.1 °C in April, 30.2 here, 30.5 in June. Nothing about the timing within the month matters much. Rain is the thing that moves: June brings 11 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in May

May is at or near the longest days of Cape Coral's year: 13.4 hours of daylight, gaining 0.5 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 25.7 °C in May — warm enough to stay in as long as you like. The sea peaks at 30 °C in August and bottoms out at 20.5 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

May in Cape Coral versus nearby

If Cape Coral is one option among several, the nearby comparison is worth making. Tampa is close enough to be a coin toss — within a degree on temperature, 3 days less rain. Miami is a better bet in May — 2.7 °C cooler, 1 day more rain.

So: May is a compromise. February is 32 points better and is what Cape Coral is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Cape Coral

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hSea °CScore
January21.912.8 7487910.62187
February23.614.4 6477911.220.589
March25.516.3 751751221.387
April28.119.2 9597312.823.278
May30.222.1 151077213.425.757
June30.524.9 262207813.828.249
July30.825.6 281997913.729.548
August30.925.9 292218013.13047
September30.124.7 251958312.329.348
October28.421.6 14878211.627.967
November25.417.3 8498110.925.286
December23.415.1 7558310.522.987

See all twelve months in Cape Coral, or where else to go in May.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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