Miami weather in January
Miami averages 24°C by day and 17°C at night in January, with the sea at 22°C and about 80 mm of rain in the month.
Day
24°C
Night
17°C
Sea
22°C
Rain
80 mm
Flight from London
9h
What January feels like
January is warm in Miami: T-shirt days, a light layer for evenings.
The sea is 22°C: fine for swimming without a wetsuit.
Expect some rainy spells: about 80 mm falls in the month.
That is 16°C warmer than an average January day in London.
Of the 56 sun destinations we track, Miami is the #31 warmest in January.
Want it warmer in January?
These are hotter than Miami this month for at most an hour and a half more flying:
Miami weather by month
January is highlighted. Compare with December and February, 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 January: quick answers
Is Miami hot in January?
January is warm in Miami: T-shirt days, a light layer for evenings. Average highs are 24°C and lows 17°C.
Can you swim in Miami in January?
The sea is 22°C: fine for swimming without a wetsuit.
Does it rain in Miami in January?
Expect some rainy spells: about 80 mm 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 January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January 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 January?
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