January weather forecast
Saint Petersburg, FL

Beautiful clear waterfront, scenic palm trees, and a straight road to St. Petersburg in Florida
Beautiful clear waterfront, scenic palm trees, and a straight road to St. Petersburg in Florida

Weather in January

January, like December, in Saint Petersburg, Florida, is another enjoyable winter month, with an average temperature ranging between min 55.2°F (12.9°C) and max 67.6°F (19.8°C).

Temperature

With an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 55.2°F (12.9°C), January is the coldest month.

Humidity

In January, the average relative humidity is 73%.

Rainfall

In Saint Petersburg, Florida, during 7.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Saint Petersburg, there are 172.1 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Ocean temperature

With an average ocean temperature of 64°F (17.8°C), January is the month with the coldest seawater.
Note: For most, swimming in 64°F (17.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in January in Saint Petersburg is 10h and 37min.
On the first day of January in Saint Petersburg, sunrise is at 7:21 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:10 pm EST.

Sunshine

The average sunshine in January is 7.3h.

UV index

January is the month with the lowest UV index in Saint Petersburg, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the coldest month in Saint Petersburg?

January is the coldest month, with an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 55.2°F (12.9°C).

What is the temperature in January in Saint Petersburg?

In January, in Saint Petersburg, Florida, the average high-temperature is 67.6°F (19.8°C), and the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in January in Saint Petersburg?

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

How much does it rain in Saint Petersburg in January?

In Saint Petersburg, in January, during 7.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the month with the coldest ocean in Saint Petersburg?

With an average ocean temperature of 64°F (17.8°C), January is the month with the coldest seawater.

How cold is the water in January in Saint Petersburg?

In January, the average ocean temperature in Saint Petersburg is 64°F (17.8°C). For swimming, a surface water temperature of 64°F (17.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Saint Petersburg have in January?

In Saint Petersburg, the average day length in January is 10h and 37min.

When are sunrise and sunset in January in Saint Petersburg?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:10 pm EST.

How many hours of sunshine does Saint Petersburg have in January?

The average sunshine duration in January is 7.3h.

What is the month with the lowest UV index in Saint Petersburg?

January is the month with the lowest UV index in Saint Petersburg, with an average maximum UV index of 4.

What is the UV index intensity in January in Saint Petersburg?

In January, the average daily maximum UV index in Saint Petersburg is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in January
Saint Petersburg, FL

Average temperature in January - Saint Petersburg, FL
  • Average high temperature in January: 67.6°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (67.6°F).

  • Average low temperature in January: 55.2°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (55.2°F).

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Average pressure in January
Saint Petersburg, FL

Average pressure in January - Saint Petersburg, FL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in January
Saint Petersburg, FL

Average wind speed in January - Saint Petersburg, FL
  • Average wind speed in January: 8.9mph

The windiest months (with the highest average wind speed) are January, March, October and November (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in January
Saint Petersburg, FL

Average humidity in January - Saint Petersburg, FL
  • Average humidity in January: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in January
Saint Petersburg, FL

Average rainfall in January - Saint Petersburg, FL
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is July (5.24").
The driest months (with the least rainfall) are February and November (0.75").

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Average rainfall days in January
Saint Petersburg, FL

Average rainfall days in January - Saint Petersburg, FL
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is November (7 days).

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Average sea temperature in January
Saint Petersburg, FL

Average sea temperature in January - Saint Petersburg, FL
  • Average sea temperature in January: 64°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

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Average daylight in January /
Average sunshine in January
Saint Petersburg, FL

Average daylight in January / Average sunshine in January - Saint Petersburg, FL
  • Average daylight in January: 10h and 37min

The month with the longest days is June (Average daylight: 13h and 52min).
The month with the shortest days is December (Average daylight: 10h and 25min).

  • Average sunshine in January: 7h and 18min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in January
Saint Petersburg, FL

Average sunshine days in January - Saint Petersburg, FL
  • Average sunshine days in January: 22.1 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is July (3.1 days).

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Average UV index in January
Saint Petersburg, FL

Average UV index in January - Saint Petersburg, FL
  • Average UV index in January: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in January
Saint Petersburg, FL

Average cloud cover in January - Saint Petersburg, FL
  • Average cloud cover in January: 29

The month with the most cloud cover is December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 21).

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Average visibility in January
Saint Petersburg, FL

Average visibility in January - Saint Petersburg, 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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