Miami weather in May
Miami averages 29°C by day and 23°C at night in May, with the sea at 29°C and about 157 mm of rain in the month.
Day
29°C
Night
23°C
Sea
29°C
Rain
157 mm
Flight from London
9h
What May feels like
May is hot but wet in Miami: rainy season, so pack for showers.
The sea is warm at 29°C: comfortable for long swims.
It is rainy season: about 157 mm of rain falls in the month.
That is 11°C warmer than an average May day in London.
Of the 56 sun destinations we track, Miami is the #26 warmest in May.
Want it warmer in May?
These are hotter than Miami this month for at most an hour and a half more flying:
Miami weather by month
May is highlighted. Compare with April and June, or see the full year in Miami.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 24°C | 17°C | 22°C | 80 mm |
| February | 25°C | 20°C | 24°C | 63 mm |
| March | 26°C | 20°C | 25°C | 68 mm |
| April | 28°C | 22°C | 26°C | 79 mm |
| May | 29°C | 23°C | 29°C | 157 mm |
| June | 30°C | 25°C | 30°C | 237 mm |
| July | 31°C | 26°C | 32°C | 141 mm |
| August | 31°C | 26°C | 32°C | 164 mm |
| September | 30°C | 25°C | 31°C | 213 mm |
| October | 29°C | 24°C | 28°C | 156 mm |
| November | 27°C | 21°C | 26°C | 99 mm |
| December | 25°C | 19°C | 24°C | 87 mm |
Miami in May: quick answers
Is Miami hot in May?
May is hot but wet in Miami: rainy season, so pack for showers. Average highs are 29°C and lows 23°C.
Can you swim in Miami in May?
The sea is warm at 29°C: comfortable for long swims.
Does it rain in Miami in May?
It is rainy season: about 157 mm of rain falls in the month.
What is the warmest month in Miami?
August, at an average high of 31°C. The coolest is January at 24°C.
How long is the flight to Miami from the UK?
About 9h direct from London, estimated from the 7,105 km distance. Check your airline for exact times.
Still choosing? See where is hot in May for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in May from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Miami in May?
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