January weather forecast and climate
Miami, FL

Stunning layout of the Miami Coast in Florida, with a beautiful, clean beach, and perfect cityscape and skyline
Stunning layout of the Miami Coast in Florida, with a beautiful, clean beach, and perfect cityscape and skyline
January is the coldest month of the year, with the winter at its peak in Miami. With the mercury hovering at an average of 59.9°F (15.5°C) to 76.4°F (24.7°C), it is a pleasant time to enjoy outdoors as the rain gods are on holiday. The almost absent rain and low humidity in the early afternoon at 60% is suitable for a myriad of engaging activities in such a lovely tourist place.
Be warned - winter may throw a few unexpected cold fronts with rain and strong winds, causing a change of schedules and plans, though not beyond a couple of days at the most.

What is the coldest month in Miami?

With an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 59.9°F (15.5°C), January is the coldest month in Miami, Florida.

What is the temperature in January in Miami?

In Miami, Florida, in January, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 59.9°F (15.5°C).

How much does it rain in Miami in January?

In Miami, in January, it is raining for 6.9 days, with typically 2.4" (61mm) of accumulated precipitation.

What is the water temperature in January in Miami?

The average seawater temperature, in January, is 74.1°F (23.4°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.1°F (23.4°C) water may be enjoyable. The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).
Average temperature in January - Miami, FL
  • Average high temperature in January: 24.7°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (24.7°C).

  • Average low temperature in January: 15.5°C

Months with the highest average low temperature are July and August (25.2°C).
The coldest month (with the lowest average low temperature) is January (15.5°C).

Average humidity in January - Miami, FL
  • Average humidity in January: 72.7%

The month with the highest relative humidity is September (77.8%).
The month with the lowest relative humidity is April (67.3%).

Average rainfall in January - Miami, FL
  • Average rainfall in January: 61mm

The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the lowest rainfall) is December (43mm).

Average rainfall days in January - Miami, FL
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is August (18.9 days).
The month with the lowest number of rainy days is April (6.4 days).

Average sea temperature in January - Miami, FL
  • Average sea temperature in January: 23.4°C

The best month for swimming (with the highest average sea temperature) is August (30.3°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).

Average daylight in January / Average sunshine in January - Miami, FL
  • Average daylight in January: 10.7h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in January: 7.1h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 7h).

Average UV index in January - Miami, FL
  • Average UV index in January: 6

Months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

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