Chambersburg weather in July: Chambersburg, Pennsylvania: normal highs, lows, rain and records for July
Chambersburg in July has a normal high of 85°F and a normal low of 65°F, a daily mean of 75°F, holding near 85°F all month. Measurable precipitation falls on 10 days in a normal July, 3.83 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 18°C, 97 mm of precipitation in July.
- NOAA stationChambersburg (1 mi ESE)
- Station IDUSC00361354
- Location39.94°N 77.64°W
- Elevation640 ft (195 m)
- Population23,041
- Jan 37° 23°
- Feb 41° 25°
- Mar 50° 32°
- Apr 63° 42°
- May 73° 52°
- Jun 81° 61°
- Jul 85° 65°
- Aug 83° 63°
- Sep 76° 56°
- Oct 64° 45°
- Nov 52° 35°
- Dec 41° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Chambersburg in July?
The normal high is 85°F and the normal low 65°F, for a daily mean of 74.8°F. July is 4.1°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Chambersburg and the 5th wettest. From one year to the next July's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Julys in three average between 72°F and 77°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 | 84°F | 64°F | 33% | 24% |
| July 8 | 85°F | 65°F | 32% | 24% |
| July 15 | 85°F | 65°F | 32% | 23% |
| July 22 | 85°F | 65°F | 32% | 24% |
| July 31 | 84°F | 65°F | 32% | 23% |
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 | 84°F | 64°F | 33% | 24% | 15 h |
| July 2 | 85°F | 64°F | 32% | 24% | 15 h |
| July 3 | 85°F | 64°F | 32% | 24% | 15 h |
| July 4 | 85°F | 64°F | 32% | 24% | 15 h |
| July 5 | 85°F | 64°F | 32% | 24% | 15 h |
| July 6 | 85°F | 64°F | 32% | 24% | 14 h 50 min |
| July 7 | 85°F | 65°F | 32% | 24% | 14 h 50 min |
| July 8 | 85°F | 65°F | 32% | 24% | 14 h 50 min |
| July 9 | 85°F | 65°F | 32% | 24% | 14 h 50 min |
| July 10 | 85°F | 65°F | 32% | 24% | 14 h 50 min |
| July 11 | 85°F | 65°F | 32% | 24% | 14 h 50 min |
| July 12 | 85°F | 65°F | 32% | 23% | 14 h 50 min |
| July 13 | 85°F | 65°F | 32% | 23% | 14 h 50 min |
| July 14 | 85°F | 65°F | 32% | 23% | 14 h 50 min |
| July 15 | 85°F | 65°F | 32% | 23% | 14 h 50 min |
| July 16 | 85°F | 65°F | 32% | 23% | 14 h 40 min |
| July 17 | 85°F | 65°F | 32% | 23% | 14 h 40 min |
| July 18 | 85°F | 65°F | 32% | 23% | 14 h 40 min |
| July 19 | 85°F | 65°F | 32% | 23% | 14 h 40 min |
| July 20 | 85°F | 65°F | 32% | 24% | 14 h 40 min |
| July 21 | 85°F | 65°F | 32% | 24% | 14 h 40 min |
| July 22 | 85°F | 65°F | 32% | 24% | 14 h 40 min |
| July 23 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 24 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 25 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 26 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 27 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 28 | 85°F | 65°F | 32% | 24% | 14 h 30 min |
| July 29 | 85°F | 65°F | 32% | 24% | 14 h 20 min |
| July 30 | 85°F | 65°F | 32% | 24% | 14 h 20 min |
| July 31 | 84°F | 65°F | 32% | 23% | 14 h 20 min |
- Normal high
- 85°FJuly average
- Normal low
- 65°FJuly average
- Precipitation
- 3.83 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 15 h to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00361354; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Chambersburg in July?
On a given July day the chance of 0.01 inch or more is 32% on average, highest around July 1 (33%). In all, 3.83 in falls on 10 days of a normal July, 1 of them with an inch or more.
In a normal July in Chambersburg, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00361354.
What are the records for July in Chambersburg?
The warmest July temperature on this station's record (since 1894) is 107°F, on July 10, 1936; the coldest is 41°F, on July 14, 1895. The wettest July brought 8.96 in (1970).
The July mean against the 1991-2020 normal of 74.8°F: 2021 74.8°F (at normal), 2022 76.7°F (+1.9), 2023 77.6°F (+2.8), 2024 78.8°F (+4.0), 2025 79.5°F (+4.7). 4 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.8°F | at normal | 3.95 in |
| 2022 | 76.7°F | +1.9°F | 4.50 in |
| 2023 | 77.6°F | +2.8°F | 4.75 in |
| 2024 | 78.8°F | +4.0°F | 2.46 in |
| 2025 | 79.5°F | +4.7°F | 7.63 in |
Source: records: ACIS, station USC00361354; recent months: ACIS, station USC00361354. Records and recent months use complete months only.
How does July in Chambersburg compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, July normal highs run from 78°F in Laporte to 89°F in Marcus Hook; Chambersburg's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Chambersburg in June81°F by day, 61°F at night
- Chambersburg in August83°F by day, 63°F at night
- Chambersburg through the yearEvery month, frost dates, records and recent years
- Pennsylvania in JulyThe statewide normal and the warmest and coolest places
- Marcus Hook: Pennsylvania's warmest Julynormal high 89°F