January weather forecast
Miami Beach, FL

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Clear blue waters of Miami Beach in Florida
Clear blue waters of Miami Beach in Florida

Weather in January

January ushers in the year in Miami Beach, with cooler air from the previous month still lingering. The weather is characterized by relative humidity of 73% and gentle ongoing gusts reaching up to 16.3mph (26.2km/h). The city experiences quite a sunny month as daylight stretches up to 10.7 hours per day. It has an average UV index of 5 indicating a moderate exposure level. Given its tropical monsoon climate, a few days in the month will see some rainfall.

Temperature

Miami Beach notes the coldest temperatures in January, with a high average of 73°F (22.8°C) and a low of 65.1°F (18.4°C).

Humidity

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

Rainfall

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

Ocean temperature

January through March, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater in Miami Beach, Florida.
Note: When thinking about a swim in 75.2°F (24°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

The average length of the day in January in Miami Beach is 10h and 44min.
On the first day of January, sunrise is at 7:07 am and sunset at 5:40 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 is 6.5h.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Miami Beach. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
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Frequently asked questions

What is the coldest month in Miami Beach?

January is the coldest month in Miami Beach, Florida, 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 average January temperature in Miami Beach?

In Miami Beach, in January, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in January in Miami Beach?

The average relative humidity in January in Miami Beach, Florida, is 73%.

What is the driest month in Miami Beach?

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

How much does it rain in Miami Beach in January?

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

What are the months with the coldest ocean in Miami Beach?

January through March, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater.

How warm is the water in January in Miami Beach?

In Miami Beach, in January, the average water temperature is 75.2°F (24°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.2°F (24°C) water may be enjoyable.

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

The average day length in January is 10h and 44min.

What time are sunrise and sunset in January in Miami Beach?

In January, on the first day of the month, sunrise is at 7:07 am and sunset at 5:40 pm. On the last day of the month, in Miami Beach, Florida, sunrise is at 7:04 am and sunset at 6:03 pm EST.

How many hours of sunshine does Miami Beach have in January?

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

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

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

How high is the UV index in January in Miami Beach?

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

Average temperature in January
Miami Beach, FL

Average temperature in January - Miami Beach, 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 Beach, FL

Average pressure in January - Miami Beach, 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 Beach, FL

Average wind speed in January - Miami Beach, 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 Beach, FL

Average humidity in January - Miami Beach, 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 Beach, FL

Average rainfall in January - Miami Beach, 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 Beach, FL

Average rainfall days in January - Miami Beach, 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 Beach, FL

Average sea temperature in January - Miami Beach, FL
  • Average sea temperature in January: 75°F

The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest months (with the lowest average sea temperature) are January, February and March (75°F).

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

Average daylight in January / Average sunshine in January - Miami Beach, FL
  • Average daylight in January: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in January: 6h and 3min

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 Beach, FL

Average sunshine days in January - Miami Beach, 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 Beach, FL

Average UV index in January - Miami Beach, 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 Beach, FL

Average cloud cover in January - Miami Beach, 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 Beach, FL

Average visibility in January - Miami Beach, 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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Miami Beach, Florida, USA

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