January weather forecast
Miami, FL

The stunning layout of the Miami Coast in Florida, USA
The stunning layout of the Miami Coast in Florida, USA

Weather in January

January, the same as December, in Miami, Florida, is another pleasant winter month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 73°F (22.8°C).

Temperature

January is the coldest month, with an average high-temperature of 73°F (22.8°C) and an average low-temperature of 65.1°F (18.4°C).

Humidity

In January, the average relative humidity is 73%.

Rainfall

January is the month with the least rainfall in Miami. Rain falls for 9.2 days and accumulates 0.43" (11mm) of precipitation.

Ocean temperature

In Miami, Florida, the average seawater temperature in January is 74.1°F (23.4°C).
Note: 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. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Miami, the average length of the day in January is 10h and 44min.
On the first day of January in Miami, Florida, sunrise is at 7:07 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:03 pm EST.

Sunshine

The average sunshine in January in Miami is 6.5h.

UV index

The months with the lowest UV index in Miami, Florida, are January and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in January transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the coldest month in Miami?

With an average high-temperature of 73°F (22.8°C) and an average low-temperature of 65.1°F (18.4°C), January is the coldest month in Miami.

What is the average humidity in January in Miami?

The average relative humidity in January is 73%.

What is the driest month in Miami?

The month with the least rainfall in Miami is January, when the rain falls for 9.2 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January in Miami?

In Miami, Florida, in January, it is raining for 9.2 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the water temperature in January in Miami?

In Miami, Florida, in January, the average water temperature is 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

What is the average length of the day in January in Miami?

In Miami, Florida, the average day length in January is 10h and 44min.

When is the sunrise / sunset in January in Miami?

On the first day of January, sunrise is at 7:07 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:03 pm EST.

How long on average sun shines in January in Miami?

The average sunshine duration in January is 6.5h.

When is the lowest UV index in Miami?

The months with the lowest UV index in Miami, Florida, are January and December, with an average maximum UV index of 5.

What is the UV index reading in January in Miami?

In January, the average daily maximum UV index in Miami is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Average temperature in January
Miami, FL

Average temperature in January - Miami, FL
  • Average high temperature in January: 73°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in January: 65.1°F

The month with the highest average low temperature is August (82.6°F).
The coldest month (with the lowest average low temperature) is January (65.1°F).

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Average pressure in January
Miami, FL

Average pressure in January - Miami, FL
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

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Average wind speed in January
Miami, FL

Average wind speed in January - Miami, FL
  • Average wind speed in January: 11.5mph

The windiest month (with the highest average wind speed) is March (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in January
Miami, FL

Average humidity in January - Miami, FL
  • Average humidity in January: 73%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in January
Miami, FL

Average rainfall in January - Miami, FL
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Miami, FL

Average rainfall days in January - Miami, FL
  • Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is September (24.5 days).
The month with the least rainy days is February (8.7 days).

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Average sea temperature in January
Miami, FL

Average sea temperature in January - Miami, FL
  • Average sea temperature in January: 74.1°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

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Average daylight in January /
Average sunshine in January
Miami, FL

Average daylight in January / Average sunshine in January - Miami, FL
  • Average daylight in January: 10h and 44min

The month with the longest days is June (Average daylight: 13h and 43min).
The month with the shortest days is December (Average daylight: 10h and 34min).

  • Average sunshine in January: 6h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in January
Miami, FL

Average sunshine days in January - Miami, FL
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is March (17 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index in January
Miami, FL

Average UV index in January - Miami, FL
  • Average UV index in January: 5

The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in January
Miami, FL

Average cloud cover in January - Miami, FL
  • Average cloud cover in January: 33

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).

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Average visibility in January
Miami, FL

Average visibility in January - Miami, FL
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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