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, like December, is another pleasant winter month in Miami, Florida, with an average temperature fluctuating between 65.1°F (18.4°C) and 73°F (22.8°C).

Temperature

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.

Humidity

In Miami, Florida, the average relative humidity in January is 73%.

Rainfall

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

Ocean temperature

In Miami, in January, the average water temperature is 74.1°F (23.4°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 74.1°F (23.4°C).

Daylight

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

Sunshine

In Miami, the average sunshine in January is 6.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in January interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the coldest month in Miami?

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

What is the temperature in January in Miami?

The average high-temperature, in January, is 73°F (22.8°C), while the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in January in Miami?

In January, the average relative humidity in Miami is 73%.

What is the driest month in Miami?

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

How many days does it rain in January in Miami?

In January, in Miami, the rain falls for 9.2 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

What is the water temperature in January in Miami?

In January, the average ocean temperature in Miami 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.

How many hours of daylight does Miami have in January?

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

When is the sunrise / sunset in January in Miami?

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

How many hours of sunshine does Miami have in January?

In January, the average sunshine duration in Miami is 6.5h.

What are the months with the lowest UV index in Miami?

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

What is the UV index reading in January in Miami?

The average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

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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