Martinsburg weather in July: Martinsburg, West Virginia: normal highs, lows, rain and records for July
Martinsburg in July has a normal high of 87°F and a normal low of 65°F, a daily mean of 76°F, holding near 87°F all month. Measurable precipitation falls on 11 days in a normal July, 3.78 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 18°C, 96 mm of precipitation in July.
- NOAA stationMartinsburg Eastern West Virginia Regional Airport
- Station IDUSW00013734
- Location39.40°N 77.98°W
- Elevation534 ft (163 m)
- From the center4 miles
- Population19,047
- Jan 41° 24°
- Feb 45° 25°
- Mar 54° 32°
- Apr 65° 42°
- May 74° 51°
- Jun 82° 60°
- Jul 87° 65°
- Aug 85° 63°
- Sep 78° 55°
- Oct 67° 44°
- Nov 55° 34°
- Dec 45° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Martinsburg in July?
The normal high is 87°F and the normal low 65°F, for a daily mean of 75.7°F. July is 4.6°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Martinsburg and the 4th 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 74°F and 78°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 86°F | 64°F | 36% | 21% |
| July 8 | 87°F | 65°F | 35% | 21% |
| July 15 | 87°F | 65°F | 34% | 21% |
| July 22 | 87°F | 65°F | 33% | 21% |
| July 31 | 86°F | 64°F | 32% | 21% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 10, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 86°F | 64°F | 36% | 21% | 14 h 50 min |
| July 2 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 3 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 4 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 5 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 6 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 7 | 87°F | 64°F | 35% | 21% | 14 h 50 min |
| July 8 | 87°F | 65°F | 35% | 21% | 14 h 50 min |
| July 9 | 87°F | 65°F | 35% | 21% | 14 h 50 min |
| July 10 | 87°F | 65°F | 35% | 21% | 14 h 50 min |
| July 11 | 87°F | 65°F | 34% | 21% | 14 h 50 min |
| July 12 | 87°F | 65°F | 34% | 21% | 14 h 50 min |
| July 13 | 87°F | 65°F | 34% | 21% | 14 h 40 min |
| July 14 | 87°F | 65°F | 34% | 21% | 14 h 40 min |
| July 15 | 87°F | 65°F | 34% | 21% | 14 h 40 min |
| July 16 | 87°F | 65°F | 34% | 21% | 14 h 40 min |
| July 17 | 87°F | 65°F | 34% | 21% | 14 h 40 min |
| July 18 | 87°F | 65°F | 33% | 21% | 14 h 40 min |
| July 19 | 87°F | 65°F | 33% | 21% | 14 h 40 min |
| July 20 | 87°F | 65°F | 33% | 21% | 14 h 40 min |
| July 21 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 22 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 23 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 24 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 25 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 26 | 87°F | 65°F | 33% | 21% | 14 h 30 min |
| July 27 | 87°F | 65°F | 33% | 21% | 14 h 20 min |
| July 28 | 87°F | 64°F | 33% | 21% | 14 h 20 min |
| July 29 | 87°F | 64°F | 33% | 21% | 14 h 20 min |
| July 30 | 86°F | 64°F | 33% | 21% | 14 h 20 min |
| July 31 | 86°F | 64°F | 32% | 21% | 14 h 20 min |
- Normal high
- 87°FJuly average
- Normal low
- 65°FJuly average
- Precipitation
- 3.78 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 10
- Daylight
- 14 h 50 min to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Martinsburg in July?
On a given July day the chance of 0.01 inch or more is 34% on average, highest around July 1 (36%). In all, 3.78 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Martinsburg, 10 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013734.
How humid and windy is Martinsburg in July?
At 3 p.m. the normal temperature is 84°F with 51% relative humidity and a dew point of 63°F; at 6 a.m. it is 67°F with 89% humidity. The wind averages 4.4 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 67°F | 63°F | 89% | 1.9 mph | 63% |
| 9 a.m. | 76°F | 65°F | 69% | 4.6 mph | 63% |
| noon | 82°F | 64°F | 55% | 6.8 mph | 54% |
| 3 p.m. | 84°F | 63°F | 51% | 7.8 mph | 54% |
| 6 p.m. | 81°F | 64°F | 57% | 6.3 mph | 65% |
| 9 p.m. | 73°F | 65°F | 75% | 3.3 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013734. 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 Martinsburg?
The warmest July temperature on Martinsburg's official record (since 1891) is 112°F, on July 11, 1936; the coldest is 41°F, on July 1, 1943. The wettest July brought 9.30 in (1905).
The July mean against the 1991-2020 normal of 75.7°F: 2021 75.5°F (−0.2), 2022 75.5°F (−0.2), 2023 75.0°F (−0.7), 2024 77.7°F (+2.0), 2025 79.2°F (+3.5). 2 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.5°F | −0.2°F | 2.39 in |
| 2022 | 75.5°F | −0.2°F | 4.30 in |
| 2023 | 75.0°F | −0.7°F | 2.79 in |
| 2024 | 77.7°F | +2.0°F | 2.11 in |
| 2025 | 79.2°F | +3.5°F | 4.70 in |
Source: records: ACIS, NWS threaded record MRBthr; recent months: ACIS, station USW00013734. Records and recent months use complete months only.
How does July in Martinsburg compare across West Virginia?
Across the 63 places PlainClimate covers in West Virginia, July normal highs run from 75°F in Davis to 89°F in Keyser; Martinsburg's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.