Climate averages 1991–2020
St. Petersburg weather
in January.
A mild, moderately wet month: the coolest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in St. Petersburg: daytime highs average 19.2°C and nights cool to about 13.3°C. By daytime temperature it is the coolest month of the year.
Expect about 64 mm of rain on roughly 6 days, which makes January a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 36 min on an average January day.
The nearest other city in this atlas is Largo (19 km away). In January its highs average 18.3°C, 0.9°C cooler than St. Petersburg, with 66 mm of rain.
Among the 498 cities listed in the United States, St. Petersburg ranks 37th of 498 for the warmest January highs and joint 189th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; St. Petersburg is 9.8°C warmer than that mean.
From January to February, average highs rise by 0.9°C to 20.1°C, and monthly rainfall falls from 64 mm to 49 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
St. Petersburg climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 19.2°C13.3°C | 13.3°C | 64 | 6.3 | 10.611 h |
| February | 20.1°C14.3°C | 14.3°C | 49 | 5.8 | 11.211 h |
| March | 22.1°C16.2°C | 16.2°C | 57 | 6.0 | 12.012 h |
| April | 25.0°C19.2°C | 19.2°C | 44 | 5.1 | 12.813 h |
| May | 27.9°C22.1°C | 22.1°C | 53 | 6.7 | 13.514 h |
| June | 29.4°C24.7°C | 24.7°C | 136 | 16.1 | 13.914 h |
| July | 29.8°C25.5°C | 25.5°C | 135 | 20.0 | 13.714 h |
| August | 29.9°C25.6°C | 25.6°C | 146 | 21.2 | 13.113 h |
| September | 29.2°C24.7°C | 24.7°C | 139 | 15.8 | 12.312 h |
| October | 27.0°C21.8°C | 21.8°C | 63 | 7.1 | 11.512 h |
| November | 23.4°C17.8°C | 17.8°C | 42 | 4.2 | 10.811 h |
| December | 20.8°C15.1°C | 15.1°C | 53 | 5.6 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Largo in JanuaryUnited States · 19 kmHigh 18.3°C · Low 13.7°C · 66 mm rain
- Clearwater in JanuaryUnited States · 25 kmHigh 18.2°C · Low 13.5°C · 66 mm rain
- Town 'n' Country in JanuaryUnited States · 28 kmHigh 19.6°C · Low 12.4°C · 62 mm rain
- Tampa in JanuaryUnited States · 29 kmHigh 20.5°C · Low 11.6°C · 62 mm rain
- Brandon in JanuaryUnited States · 43 kmHigh 21.0°C · Low 11.6°C · 61 mm rain
- Lakeland in JanuaryUnited States · 78 kmHigh 21.0°C · Low 11.2°C · 59 mm rain
- Spring Hill in JanuaryUnited States · 80 kmHigh 20.0°C · Low 10.8°C · 64 mm rain
- Fort Myers in JanuaryUnited States · 152 kmHigh 22.9°C · Low 13.4°C · 45 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for St. Petersburg) is explained once on the St. Petersburg year overview and on the Sources, method and limits page.