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St. Petersburg in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in St. Petersburg in January will be like? Take a look at our weather guide for St. Petersburg, based on historical data.
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January

Weather in St. Petersburg in January 2025

OK Weather
Cold
🌨️
Snowy
🌊
Cold water
If you plan to visit St. Petersburg in January, the weather is typically alright, with an average high temperature of -4°C during the day and approximately 2 sunny days. Expect some snowy, though, as there are typically 15 snowy days in the month and around 30 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in St. Petersburg;

Average weather

☀️
-4°C
Avg. max. temperature
-39°C
Min.
+9°C
Max.
8 mm
Total precipitation
84%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
13 ⛅️
Cloudy
1 🌦
Rainy
Our opinion: St. Petersburg has OK weather in January.

Average temperature in St. Petersburg in January

Here are the expected maximum, average and minimum temperatures in St. Petersburg for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +4°C during the day to a minimum of -19°C during the night, the temperature in January averages around -1°C.

The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +4°C to +2°C.

Is St. Petersburg warm or cold in January?

St. Petersburg is typically cold in January.

Maximum temperatures go down compared to the previous month from -2°C to -4°C. The minimum temperature also goes down from -6°C to -9°C.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

January is the coldest month in St. Petersburg, here is the comparison with other months:

Water temperature in St. Petersburg in January

Water in St. Petersburg in January is Cold. It varies from -2°C to +2°C, with an average of 0°C. Note that the air temperature is lower than the water temperature, averaging around -4°C.

The water temperature in January is one of the coldest of the entire year:

The warmest water temperatures in St. Petersburg are reached in July, when the average sea temperature rises to +19°C. The coldest water temperatures are in February, with an average of 0°C.

Can you swim in St. Petersburg in January?

We would not recommend swimming in St. Petersburg in January, the water is very cold (0°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in St. Petersburg in January

St. Petersburg weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
-2°C-4°C-4°C
Min. temperature
-28°C-39°C-33°C
Max. temperature
+10°C+9°C+8°C
Rainfall
11 mm8 mm8 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+3°C0°C0°C
Humidity
85%84%81%
Air pressure
1009 HPa1010 HPa1012 HPa
Sunny days
122
Cloudy days
131313
Rainy days
211
Snowy days
151512

January weather is still as ok as in December. It’s getting colder in January. From -2°C in the day, the average maximum temperature lowers to -4°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 11 mm to 8 mm. It feels drier, as humidity decreases from 85% to 84%. The average wind speed doesn’t change much during January, staying around 3 m/s. The good news is there are likely to be more sunny days in January, from 1 to 2.

February brings much the same weather, it remains ok.

Wind

Wind speed in St. Petersburg in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in St. Petersburg is gradually increasing during January, going from 5 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in St. Petersburg based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in January, with total rainfall of approximately 39 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. January is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how January is compared with other months in the amount of precipitation, total mm:
St. Petersburg wettest month is July, where a typical day has a 52% chance of precipitation and 86 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 8 mm of rainfall per day.

Snow

Amount of snow in mm during January in St. Petersburg based on historical data.
Last Year
Historical Data
Typically, there is a 19% chance of snow on an average day in January, with a total monthly snowfall of approximately 40 mm.

January is one of the snowiest months in St. Petersburg.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in St. Petersburg?

This is the weather in St. Petersburg in January 2023:
1 January
🌧️
+4°C
2 January
☁️
0°C
3 January
🌨️
-1°C
4 January
☁️
-2°C
5 January
🌨️
-8°C
6 January
🌨️
-7°C
7 January
☀️
-8°C
8 January
☀️
-13°C
9 January
🌨️
-9°C
10 January
🌨️
-2°C
11 January
☁️
-1°C
12 January
☁️
-2°C
13 January
☁️
+2°C
14 January
☁️
+3°C
15 January
🌧️
+3°C
16 January
☁️
+3°C
17 January
☁️
+2°C
18 January
☁️
+2°C
19 January
🌧️
+4°C
20 January
☁️
+2°C
21 January
☀️
-1°C
22 January
☁️
-3°C
23 January
☁️
-4°C
24 January
🌨️
0°C
25 January
☁️
+2°C
26 January
🌧️
+3°C
27 January
☁️
0°C
28 January
☁️
-4°C
29 January
☁️
+1°C
30 January
☁️
+2°C
31 January
☁️
+2°C
In January 2023 St. Petersburg had 3 sunny days, 18 cloudy days, and 4 rainy days. The average maximum temperature was -1°C, with an absolute maximum of +4°C and a minimum of -13°C. The average humidity was 86%, with a maximum of 95% and a minimum of 57%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how St. Petersburg climate have been changing during last 43 years period.

The climate in St. Petersburg in January has not changed much over the last 43 years.

The average temperature was the lowest in 1987 (+6°C) and the highest in 2020 (+11°C). The driest year was 1992 with only 268 mm of rainfall, and the wettest year was 2022 with 866 mm.

FAQ

Frequently asked questions about the weather in St. Petersburg in January:

Is January a good time to visit St. Petersburg?

It’s always a good time to visit St. Petersburg, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in St. Petersburg in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in St. Petersburg in January?

Swimming in St. Petersburg in January is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is St. Petersburg rainy in January?

St. Petersburg is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in St. Petersburg in January?

Usually, it’s not very sunny in St. Petersburg in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Russia

Check out the weather for other cities in Russia.

Monthly weather in St. Petersburg

Source of the data

For this page, we’ve looked at the typical weather in St. Petersburg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.