January weather forecast and climate
Sebastian, FL

A wooden structure on the shores of Sebastian in Florida, on an early morning
A wooden structure on the shores of Sebastian in Florida, on an early morning

Weather in January

January, like December, is another pleasant winter month in Sebastian, Florida, with average temperature varying between 59.7°F (15.4°C) and 69.4°F (20.8°C).

Temperature

January is the coldest month, with an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 59.7°F (15.4°C).

Humidity

In January, the average relative humidity is 73%.

Rainfall

In Sebastian, it is raining for 11.3 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Sebastian, Florida, there are 205.2 rainfall days, and 38.31" (973mm) of precipitation is accumulated.

Daylight

In January, the average length of the day is 10.6h.

Sunshine

January has the least sunshine of the year, with an average of 5.9h of sunshine.

UV index

January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Sebastian. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the coldest month in Sebastian?

With an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 59.7°F (15.4°C), January is the coldest month in Sebastian, Florida.

What is the average humidity in January in Sebastian?

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

How much does it rain in Sebastian in January?

In Sebastian, in January, it is raining for 11.3 days, with typically 1.38" (35mm) of accumulated precipitation.

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

In January, the average length of the day in Sebastian is 10.6h.

What is the month with the least sunshine in Sebastian?

With an average of 5.9h of sunshine, January has the least sunshine of the year in Sebastian.

How many hours of sunshine does Sebastian have in January?

The average sunshine in January in Sebastian, Florida, is 5.9h.

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

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

What is the UV index reading in January in Sebastian?

In January, the average daily maximum UV index in Sebastian is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in January
Sebastian, FL

Average temperature in January - Sebastian, FL
  • Average high temperature in January: 69.4°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 (69.4°F).

  • Average low temperature in January: 59.7°F

The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (59.7°F).

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Average pressure in January
Sebastian, FL

Average pressure in January - Sebastian, FL
  • Average pressure in January: 30.12"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is September (29.96").

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Average wind speed in January
Sebastian, FL

Average wind speed in January - Sebastian, FL
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in January
Sebastian, FL

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

Months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in January
Sebastian, FL

Average rainfall in January - Sebastian, FL
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in January
Sebastian, FL

Average rainfall days in January - Sebastian, FL
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is February (10.4 days).

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

Average daylight in January / Average sunshine in January - Sebastian, FL
  • Average daylight in January: 10.6h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in January: 5.9h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is January (Average sunshine: 5.9h).

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Average sunshine days in January
Sebastian, FL

Average sunshine days in January - Sebastian, FL
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (3.9 days).

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Average UV index in January
Sebastian, FL

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

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

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Average cloud cover in January
Sebastian, FL

Average cloud cover in January - Sebastian, FL
  • Average cloud cover in January: 35

The month with the most cloud cover is November (Cloud cover 36).
Months with the least cloud cover are May, July and August (Cloud cover 27).

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Average visibility in January
Sebastian, FL

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

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

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