Lancaster weather in July: Lancaster, Pennsylvania: normal highs, lows, rain and records for July

Lancaster in July has a normal high of 86°F and a normal low of 65°F, a daily mean of 75°F, holding near 86°F all month. Measurable precipitation falls on 11 days in a normal July, 4.20 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 30°C and low of 18°C, 107 mm of precipitation in July.

  • NOAA stationLancaster Airport
  • Station IDUSW00054737
  • Location40.12°N 76.29°W
  • Elevation403 ft (123 m)
  • From the center5 miles
  • Population58,441
  1. Jan 40° 22°
  2. Feb 42° 23°
  3. Mar 52° 31°
  4. Apr 64° 40°
  5. May 74° 50°
  6. Jun 82° 60°
  7. Jul 86° 65°
  8. Aug 85° 63°
  9. Sep 78° 56°
  10. Oct 66° 44°
  11. Nov 54° 34°
  12. Dec 44° 27°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Lancaster in July?

The normal high is 86°F and the normal low 65°F, for a daily mean of 75.4°F. July is 4.2°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Lancaster and the 3rd 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 73°F and 78°F.

Lancaster in July, day by day: normal high and low

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 38%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 186°F64°F37%23%
July 886°F65°F36%23%
July 1587°F65°F36%22%
July 2286°F65°F36%22%
July 3186°F64°F38%22%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 13, coldest night July 1)
Lancaster: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 186°F64°F37%23%15 h
July 286°F64°F37%23%15 h
July 386°F64°F37%23%15 h
July 486°F64°F37%23%15 h
July 586°F64°F37%23%15 h
July 686°F64°F37%23%15 h
July 786°F65°F36%23%15 h
July 886°F65°F36%23%14 h 50 min
July 986°F65°F36%23%14 h 50 min
July 1086°F65°F36%23%14 h 50 min
July 1186°F65°F36%23%14 h 50 min
July 1286°F65°F36%23%14 h 50 min
July 1387°F65°F36%23%14 h 50 min
July 1487°F65°F36%23%14 h 50 min
July 1587°F65°F36%22%14 h 50 min
July 1687°F65°F36%22%14 h 50 min
July 1786°F65°F36%22%14 h 40 min
July 1886°F65°F36%22%14 h 40 min
July 1986°F65°F36%22%14 h 40 min
July 2086°F65°F36%22%14 h 40 min
July 2186°F65°F36%22%14 h 40 min
July 2286°F65°F36%22%14 h 40 min
July 2386°F65°F36%22%14 h 30 min
July 2486°F65°F37%22%14 h 30 min
July 2586°F65°F37%22%14 h 30 min
July 2686°F65°F37%22%14 h 30 min
July 2786°F65°F37%22%14 h 30 min
July 2886°F65°F37%22%14 h 30 min
July 2986°F65°F38%22%14 h 20 min
July 3086°F64°F38%22%14 h 20 min
July 3186°F64°F38%22%14 h 20 min
Normal high
86°FJuly average
Normal low
65°FJuly average
Precipitation
4.20 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
7
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
27
Sunshine
79%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00054737; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Lancaster in July?

On a given July day the chance of 0.01 inch or more is 36% on average, highest around July 31 (38%). In all, 4.20 in falls on 11 days of a normal July, 1 of them with an inch or more.

In a normal July in Lancaster, 7 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054737.

What are the records for July in Lancaster?

The warmest July temperature on this station's record (since 1999) is 103°F, on July 22, 2011; the coldest is 50°F, on July 3, 2001. The wettest July brought 9.07 in (2018).

The July mean against the 1991-2020 normal of 75.4°F: 2021 76.2°F (+0.8), 2022 78.0°F (+2.6), 2023 78.5°F (+3.0), 2024 78.5°F (+3.1), 2025 78.7°F (+3.3), 2026 75.7°F (+0.3). 6 of 6 ran warmer than normal.

Lancaster: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202176.2°F+0.8°F6.30 in
202278.0°F+2.6°F4.03 in
202378.5°F+3.0°F4.29 in
202478.5°F+3.1°F1.91 in
202578.7°F+3.3°F4.93 in
202675.7°F+0.3°F6.40 in

Source: records: ACIS, station USW00054737; recent months: ACIS, station USW00054737. Records and recent months use complete months only.

How does July in Lancaster 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; Lancaster's is 86°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places