January weather forecast
Surfside, FL

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Weather in January

January, the same as December, is a moderately hot winter month in Surfside, Florida, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 73.4°F (23°C).

Temperature

January is the coldest month, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 64°F (17.8°C).

Humidity

In January, the average relative humidity is 72%.

Rainfall

January is the month with the least rainfall in Surfside, Florida. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.

Ocean temperature

In January, the average ocean temperature in Surfside is 74.1°F (23.4°C).
Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 74.1°F (23.4°C) waters. Olympic standards, for reference, are set between 77°F (25°C) and 82.4°F (28°C).

Daylight

In January, the average length of the day in Surfside is 10h and 44min.
On the first day of January in Surfside, Florida, 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 6:02 pm EST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Surfside. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, a daily maximum UV index of 5 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

What time of the year is the coldest in Surfside?

January, noted for its average high-temperature of 73.4°F (23°C) and an average low-temperature of 64°F (17.8°C), is considered the coldest month in Surfside.

What are the temperatures in Surfside in January?

In January, in Surfside, the average high-temperature is 73.4°F (23°C), and the average low-temperature is 64°F (17.8°C).

What is the average humidity in January in Surfside?

In January, the average relative humidity in Surfside, Florida, is 72%.

What is the driest month in Surfside?

January is the month with the least rainfall in Surfside, Florida. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in January in Surfside?

In Surfside, during January, the rain falls for 7.7 days and regularly aggregates up to 0.39" (10mm) of precipitation.

What is the water temperature in January in Surfside?

In Surfside, Florida, in January, the average water temperature is 74.1°F (23.4°C). 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).

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

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

When is the sunrise / sunset in January in Surfside?

On the first day of January in Surfside, 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 6:02 pm EST.

How long on average sun shines in January in Surfside?

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

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

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

How high is the UV index in January in Surfside?

In January, the average daily maximum UV index in Surfside is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Surfside, FL

Average temperature in January - Surfside, FL
  • Average high temperature in January: 73.4°F

The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (73.4°F).

  • Average low temperature in January: 64°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64°F).

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Average pressure in January
Surfside, FL

Average pressure in January - Surfside, 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
Surfside, FL

Average wind speed in January - Surfside, FL
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in January
Surfside, FL

Average humidity in January - Surfside, FL
  • Average humidity in January: 72%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).

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Average rainfall in January
Surfside, FL

Average rainfall in January - Surfside, FL
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in January
Surfside, FL

Average rainfall days in January - Surfside, FL
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is September (21.3 days).
The month with the least rainy days is February (7.5 days).

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Average sea temperature in January
Surfside, FL

Average sea temperature in January - Surfside, 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
Surfside, FL

Average daylight in January / Average sunshine in January - Surfside, 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 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in January
Surfside, FL

Average sunshine days in January - Surfside, FL
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is March (20 days).
The month with the least sunshine days is September (5.1 days).

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Average UV index in January
Surfside, FL

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

The months with the highest UV index are May, June, July, August and September (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
Surfside, FL

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

The month with the most cloud cover is October (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 26).

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Average visibility in January
Surfside, FL

Average visibility in January - Surfside, 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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Surfside, Florida, USA

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