Climate averages 1991–2020
St. Petersburg weather
in April.
A warm, moderately wet month: the 7th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in St. Petersburg: daytime highs average 25.0°C and nights cool to about 19.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 44 mm of rain on roughly 5 days, which makes April a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 49 min on an average April day.
The nearest other city in this atlas is Largo (19 km away). In April its highs average 23.7°C, 1.3°C cooler than St. Petersburg, with 46 mm of rain.
Among the 498 cities listed in the United States, St. Petersburg ranks joint 73rd of 498 for the warmest April highs and joint 132nd of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; St. Petersburg is 5.6°C warmer than that mean.
From April to May, average highs rise by 2.9°C to 27.9°C, and monthly rainfall rises from 44 mm to 53 mm.
The annual picture
April 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 | 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, selected | 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
April in nearby cities
- Largo in AprilUnited States · 19 kmHigh 23.7°C · Low 19.6°C · 46 mm rain
- Clearwater in AprilUnited States · 25 kmHigh 23.7°C · Low 19.4°C · 46 mm rain
- Town 'n' Country in AprilUnited States · 28 kmHigh 25.8°C · Low 18.5°C · 52 mm rain
- Tampa in AprilUnited States · 29 kmHigh 27.1°C · Low 17.6°C · 52 mm rain
- Brandon in AprilUnited States · 43 kmHigh 27.7°C · Low 17.5°C · 51 mm rain
- Lakeland in AprilUnited States · 78 kmHigh 27.8°C · Low 17.1°C · 53 mm rain
- Spring Hill in AprilUnited States · 80 kmHigh 27.0°C · Low 17.0°C · 60 mm rain
- Fort Myers in AprilUnited States · 152 kmHigh 28.7°C · Low 18.6°C · 50 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.