Miami Weather in January

January brings the year's coolest and driest climate to Miami, Florida. That makes for plenty of pleasant weather with comfortably warm temperatures.

This page gives detailed information on the typical January temperature, precipitation, sun, humidity, wind and storms for Miami. The numbers here are historical averages based on climate data gathered at the Miami International Airport, located five miles west of downtown Miami.

Temperature Weather iconTemperature

76 °F January average high 25 °C
61 °F January average low 16 °C

January is the coldest month overall for Miami and the 10th to 22nd are its chilliest days. They have daily highs averaging 76 degrees Fahrenheit (25 degrees Celsius) and lows of 61 °F (16 °C).

27 days 70 °F max. or more (21 °C)
13 days 60 °F min. or less (16 °C)

Miami's temperature reaches at least 60 °F (16 °C) every day during January. The city averages 12 days this month when the thermometer reaches into the 80s °F (over 26 °C). Temperatures above 90 °F (32 °C) are not expected here this month.

The thermometer dips to 50 °F (10 °C) or below on an average of four nights. In some years, a January night gets as cold as 40 °F (4 °C).

Rainy Weather iconRain

1.8 in total precipitation 46 mm
8 days of rain

Half the time, Miami receives 0.6 to 2.5 inches (14 to 63 mm) of rainfall in January. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

66 % sunshine
9 days clear skies

The sun's rays reach the ground in Miami during 66 percent of daylight hours on average in January, for a total of 220 hours in the month. Typically on 9 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in January at Miami lasts for 10 hours and 44 minutes a day on average. The shortest day of the month is the 1st with 10 hours and 34 minutes of daylight. By the end of the month, the days have lengthened to 10:59 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

73 % January average humidity

The relative humidity in Miami during January usually peaks at 84 percent in the morning then drops to 59 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 81 83 84 70 59 59 69 76

Windy Weather iconWind

9.5 mph January wind speed average 15.3 kph

January is a little windier than most other months in Miami.

Stormy Weather iconStorms

1 day rainfall of 0.5 inches (13 mm) or more
1 day with thunderstorms in January

The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

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