Saint Petersburg
Florida, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Saint Petersburg, FL

Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
January, like December, is another pleasant winter month in Saint Petersburg, Florida, with average temperature ranging between max 70°F (21.1°C) and min 53.1°F (11.7°C).

Temperature

January is the coldest month, with an average high-temperature of 70°F (21.1°C) and an average low-temperature of 53.1°F (11.7°C).

Rainfall

In Saint Petersburg, it is raining for 7 days, with typically 2.3" (58.4mm) of accumulated precipitation. Throughout the year, in Saint Petersburg, there are 105 rainfall days, and 45.9" (1165.8mm) of precipitation is accumulated.

Ocean temperature

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

Daylight

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

Sunshine

The average sunshine in January is 7h.

UV index

Months with the lowest UV index in Saint Petersburg are January and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in January transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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 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.

What is the coldest month in Saint Petersburg?

January is the coldest month in Saint Petersburg, Florida, with an average high-temperature of 70°F (21.1°C) and an average low-temperature of 53.1°F (11.7°C).

What is the temperature in January in Saint Petersburg?

The average high-temperature, in January, is 70°F (21.1°C), while the average low-temperature is 53.1°F (11.7°C).

How much does it rain in Saint Petersburg in January?

In Saint Petersburg, Florida, in January, during 7 rainfall days, 2.3" (58.4mm) of precipitation is typically accumulated.

When is the ocean coldest in Saint Petersburg?

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

How cold is the water in January in Saint Petersburg?

In Saint Petersburg, in January, the average water temperature is 64°F (17.8°C). Swimming in 64°F (17.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

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

In Saint Petersburg, Florida, the average length of the day in January is 10.6h.

How long on average sun shines in January in Saint Petersburg?

The average sunshine in January in Saint Petersburg, Florida, is 7h.

What are the months with the lowest UV index in Saint Petersburg?

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

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

In Saint Petersburg, the average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in January - Saint Petersburg, FL
  • Average high temperature in January: 70°F

Warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (70°F).

  • Average low temperature in January: 53°F

Months with the highest average low temperature are July and August (76°F).
The coldest month (with the lowest average low temperature) is January (53°F).

Average rainfall in January - Saint Petersburg, FL
  • Average rainfall in January: 2.3"

The wettest month (with the highest rainfall) is August (7.8").
The driest month (with the lowest rainfall) is April (1.6").

Average rainfall days in January - Saint Petersburg, FL
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

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).

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

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

  • Average sunshine in January: 7h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in January - Saint Petersburg, FL
  • Average UV index in January: 5

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).