Quantico weather in July: Quantico, Virginia: normal highs, lows, rain and records for July
Quantico in July has a normal high of 88°F and a normal low of 71°F, a daily mean of 79°F, holding near 88°F all month. Measurable precipitation falls on 10 days in a normal July, 4.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 22°C, 118 mm of precipitation in July.
- NOAA stationQuantico Marine Corps Air Station
- Station IDUSW00013773
- Location38.50°N 77.30°W
- Elevation10 ft (3 m)
- Population591
- Jan 45° 28°
- Feb 48° 30°
- Mar 56° 37°
- Apr 68° 47°
- May 76° 57°
- Jun 84° 66°
- Jul 88° 71°
- Aug 86° 69°
- Sep 80° 62°
- Oct 69° 50°
- Nov 58° 39°
- Dec 49° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Quantico in July?
The normal high is 88°F and the normal low 71°F, for a daily mean of 79.3°F. July is 4.5°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in Quantico and the wettest. From one year to the next July's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Julys in three average between 77°F and 82°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 88°F | 70°F | 33% | 19% |
| July 8 | 88°F | 71°F | 32% | 19% |
| July 15 | 88°F | 71°F | 31% | 18% |
| July 22 | 88°F | 71°F | 31% | 18% |
| July 31 | 88°F | 71°F | 30% | 18% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 11, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 88°F | 70°F | 33% | 19% | 14 h 50 min |
| July 2 | 88°F | 70°F | 33% | 19% | 14 h 50 min |
| July 3 | 88°F | 70°F | 33% | 19% | 14 h 50 min |
| July 4 | 88°F | 70°F | 33% | 19% | 14 h 50 min |
| July 5 | 88°F | 70°F | 33% | 19% | 14 h 50 min |
| July 6 | 88°F | 70°F | 32% | 19% | 14 h 50 min |
| July 7 | 88°F | 71°F | 32% | 19% | 14 h 50 min |
| July 8 | 88°F | 71°F | 32% | 19% | 14 h 40 min |
| July 9 | 88°F | 71°F | 32% | 19% | 14 h 40 min |
| July 10 | 88°F | 71°F | 32% | 19% | 14 h 40 min |
| July 11 | 88°F | 71°F | 32% | 18% | 14 h 40 min |
| July 12 | 88°F | 71°F | 31% | 18% | 14 h 40 min |
| July 13 | 88°F | 71°F | 31% | 18% | 14 h 40 min |
| July 14 | 88°F | 71°F | 31% | 18% | 14 h 40 min |
| July 15 | 88°F | 71°F | 31% | 18% | 14 h 40 min |
| July 16 | 88°F | 71°F | 31% | 18% | 14 h 40 min |
| July 17 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 18 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 19 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 20 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 21 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 22 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 23 | 88°F | 71°F | 31% | 18% | 14 h 30 min |
| July 24 | 88°F | 71°F | 31% | 19% | 14 h 20 min |
| July 25 | 88°F | 71°F | 31% | 19% | 14 h 20 min |
| July 26 | 88°F | 71°F | 31% | 19% | 14 h 20 min |
| July 27 | 88°F | 71°F | 31% | 19% | 14 h 20 min |
| July 28 | 88°F | 71°F | 31% | 19% | 14 h 20 min |
| July 29 | 88°F | 71°F | 31% | 18% | 14 h 20 min |
| July 30 | 88°F | 71°F | 31% | 18% | 14 h 10 min |
| July 31 | 88°F | 71°F | 30% | 18% | 14 h 10 min |
- Normal high
- 88°FJuly average
- Normal low
- 71°FJuly average
- Precipitation
- 4.64 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 13
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013773; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Quantico in July?
On a given July day the chance of 0.01 inch or more is 31% on average, highest around July 1 (33%). In all, 4.64 in falls on 10 days of a normal July, 1 of them with an inch or more.
In a normal July in Quantico, 13 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013773.
How humid and windy is Quantico in July?
At 3 p.m. the normal temperature is 85°F with 56% relative humidity and a dew point of 67°F; at 6 a.m. it is 71°F with 85% humidity. The wind averages 6.2 mph, most often from the south 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. | 71°F | 67°F | 85% | 5.4 mph | 41% |
| 9 a.m. | 78°F | 68°F | 71% | 5.8 mph | 44% |
| noon | 83°F | 68°F | 60% | 6.8 mph | 31% |
| 3 p.m. | 85°F | 67°F | 56% | 7.1 mph | 29% |
| 6 p.m. | 83°F | 68°F | 61% | 6.8 mph | 43% |
| 9 p.m. | 77°F | 69°F | 77% | 6.1 mph | 56% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013773. 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 Quantico?
The warmest July temperature on this station's record (since 1945) is 106°F, on July 8, 2012; the coldest is 49°F, on July 2, 1952. The wettest July brought 9.74 in (1959).
The July mean against the 1991-2020 normal of 79.3°F: 2021 80.0°F (+0.7), 2022 80.4°F (+1.1), 2023 81.2°F (+1.9), 2025 81.3°F (+2.0), 2026 81.4°F (+2.1). 5 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.0°F | +0.7°F | 0.05 in |
| 2022 | 80.4°F | +1.1°F | 5.42 in |
| 2023 | 81.2°F | +1.9°F | 2.02 in |
| 2025 | 81.3°F | +2.0°F | – |
| 2026 | 81.4°F | +2.1°F | – |
Source: records: ACIS, station USW00013773; recent months: ACIS, station USW00013773. Records and recent months use complete months only.
How does July in Quantico compare across Virginia?
Across the 81 places PlainClimate covers in Virginia, July normal highs run from 81°F in Floyd to 93°F in Chesapeake; Quantico's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.