St. Petersburg weather in July: St. Petersburg, Florida: normal highs, lows, rain and records for July
St. Petersburg in July has a normal high of 90°F and a normal low of 76°F, a daily mean of 83°F, holding near 90°F all month. Measurable precipitation falls on 18 days in a normal July, 9.73 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 24°C, 247 mm of precipitation in July.
- NOAA stationSt Petersburg International Airport
- Station IDUSW00012873
- Location27.91°N 82.69°W
- Elevation11 ft (3 m)
- From the center11 miles
- Population267,102
- Jan 71° 53°
- Feb 73° 55°
- Mar 77° 59°
- Apr 82° 64°
- May 87° 70°
- Jun 90° 75°
- Jul 90° 76°
- Aug 91° 76°
- Sep 89° 75°
- Oct 84° 70°
- Nov 77° 61°
- Dec 73° 56°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Petersburg in July?
The normal high is 90°F and the normal low 76°F, for a daily mean of 83.1°F. July is 1.0°F warmer than June and 0.4°F cooler than August. July is the 2nd warmest month of the year in St. Petersburg and the wettest. Across the month the normal high rises 1°F, from 90°F on July 1 to 91°F on July 31. From one year to the next July's mean temperature typically moves about 0.9°F either way (NOAA's standard deviation), so roughly two Julys in three average between 82°F and 84°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 59%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 90°F | 76°F | 56% | 40% |
| July 8 | 90°F | 76°F | 58% | 41% |
| July 15 | 90°F | 76°F | 59% | 41% |
| July 22 | 91°F | 76°F | 59% | 41% |
| July 31 | 91°F | 76°F | 58% | 41% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 28, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 90°F | 76°F | 56% | 40% | 13 h 50 min |
| July 2 | 90°F | 76°F | 56% | 40% | 13 h 50 min |
| July 3 | 90°F | 76°F | 57% | 40% | 13 h 50 min |
| July 4 | 90°F | 76°F | 57% | 40% | 13 h 50 min |
| July 5 | 90°F | 76°F | 57% | 40% | 13 h 50 min |
| July 6 | 90°F | 76°F | 57% | 41% | 13 h 50 min |
| July 7 | 90°F | 76°F | 58% | 41% | 13 h 50 min |
| July 8 | 90°F | 76°F | 58% | 41% | 13 h 50 min |
| July 9 | 90°F | 76°F | 58% | 41% | 13 h 50 min |
| July 10 | 90°F | 76°F | 58% | 41% | 13 h 50 min |
| July 11 | 90°F | 76°F | 58% | 41% | 13 h 50 min |
| July 12 | 90°F | 76°F | 59% | 41% | 13 h 50 min |
| July 13 | 90°F | 76°F | 59% | 41% | 13 h 50 min |
| July 14 | 90°F | 76°F | 59% | 41% | 13 h 50 min |
| July 15 | 90°F | 76°F | 59% | 41% | 13 h 50 min |
| July 16 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 17 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 18 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 19 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 20 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 21 | 90°F | 76°F | 59% | 41% | 13 h 40 min |
| July 22 | 91°F | 76°F | 59% | 41% | 13 h 40 min |
| July 23 | 91°F | 76°F | 59% | 41% | 13 h 40 min |
| July 24 | 91°F | 76°F | 59% | 41% | 13 h 40 min |
| July 25 | 91°F | 76°F | 59% | 41% | 13 h 40 min |
| July 26 | 91°F | 76°F | 59% | 41% | 13 h 40 min |
| July 27 | 91°F | 76°F | 59% | 41% | 13 h 30 min |
| July 28 | 91°F | 76°F | 59% | 41% | 13 h 30 min |
| July 29 | 91°F | 76°F | 59% | 41% | 13 h 30 min |
| July 30 | 91°F | 76°F | 59% | 41% | 13 h 30 min |
| July 31 | 91°F | 76°F | 58% | 41% | 13 h 30 min |
- Normal high
- 90°FJuly average
- Normal low
- 76°FJuly average
- Precipitation
- 9.73 inmonth total
- Days with precipitation
- 180.01 inch or more
- Days at 90°F or more
- 21
- Daylight
- 13 h 50 min to 13 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012873; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Petersburg in July?
On a given July day the chance of 0.01 inch or more is 58% on average, highest around July 21 (59%). In all, 9.73 in falls on 18 days of a normal July, 3 of them with an inch or more.
In a normal July in St. Petersburg, 21 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012873.
How humid and windy is St. Petersburg in July?
At 3 p.m. the normal temperature is 88°F with 64% relative humidity and a dew point of 74°F; at 6 a.m. it is 78°F with 90% humidity. The wind averages 6.6 mph, most often from the west in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 78°F | 75°F | 90% | 4.3 mph | 78% |
| 9 a.m. | 84°F | 75°F | 75% | 7.0 mph | 66% |
| noon | 87°F | 74°F | 67% | 8.5 mph | 49% |
| 3 p.m. | 88°F | 74°F | 64% | 9.1 mph | 52% |
| 6 p.m. | 85°F | 74°F | 69% | 8.3 mph | 65% |
| 9 p.m. | 81°F | 74°F | 80% | 5.6 mph | 78% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012873. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in St. Petersburg?
The warmest July temperature on this station's record (since 1998) is 99°F, on July 27, 2025; the coldest is 64°F, on July 5, 2015. The wettest July brought 22.81 in (2004).
The July mean against the 1991-2020 normal of 83.1°F: 2021 84.4°F (+1.3), 2022 83.9°F (+0.8), 2023 85.9°F (+2.8), 2024 85.6°F (+2.5), 2025 86.3°F (+3.2), 2026 84.3°F (+1.2). 6 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 84.4°F | +1.3°F | 7.58 in |
| 2022 | 83.9°F | +0.8°F | – |
| 2023 | 85.9°F | +2.8°F | 5.74 in |
| 2024 | 85.6°F | +2.5°F | 5.95 in |
| 2025 | 86.3°F | +3.2°F | 6.46 in |
| 2026 | 84.3°F | +1.2°F | 7.03 in |
Source: records: ACIS, station USW00012873; recent months: ACIS, station USW00012873. Records and recent months use complete months only.
How does July in St. Petersburg compare across Florida?
Across the 106 places PlainClimate covers in Florida, July normal highs run from 88°F in Miami Beach to 94°F in Plant City; St. Petersburg's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.