Williamsport weather in July: Williamsport, Pennsylvania: normal highs, lows, rain and records for July
Williamsport in July has a normal high of 85°F and a normal low of 63°F, a daily mean of 74°F, holding near 85°F all month. Measurable precipitation falls on 12 days in a normal July, 4.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 118 mm of precipitation in July.
- NOAA stationWilliamsport Regional Airport
- Station IDUSW00014778
- Location41.24°N 76.92°W
- Elevation520 ft (159 m)
- Population27,628
- Jan 35° 20°
- Feb 39° 22°
- Mar 48° 29°
- Apr 62° 39°
- May 72° 49°
- Jun 81° 58°
- Jul 85° 63°
- Aug 83° 61°
- Sep 75° 54°
- Oct 63° 43°
- Nov 51° 33°
- Dec 40° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Williamsport in July?
The normal high is 85°F and the normal low 63°F, for a daily mean of 73.7°F. July is 4.3°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in Williamsport and the 2nd wettest. From one year to the next July's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Julys in three average between 71°F and 76°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 84°F | 62°F | 37% | 25% |
| July 8 | 85°F | 63°F | 37% | 25% |
| July 15 | 85°F | 63°F | 38% | 25% |
| July 22 | 85°F | 63°F | 38% | 25% |
| July 31 | 84°F | 63°F | 38% | 25% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 12, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 84°F | 62°F | 37% | 25% | 15 h 10 min |
| July 2 | 84°F | 62°F | 37% | 25% | 15 h 10 min |
| July 3 | 84°F | 62°F | 37% | 25% | 15 h 10 min |
| July 4 | 85°F | 62°F | 37% | 25% | 15 h |
| July 5 | 85°F | 62°F | 37% | 25% | 15 h |
| July 6 | 85°F | 62°F | 37% | 25% | 15 h |
| July 7 | 85°F | 62°F | 37% | 25% | 15 h |
| July 8 | 85°F | 63°F | 37% | 25% | 15 h |
| July 9 | 85°F | 63°F | 37% | 25% | 15 h |
| July 10 | 85°F | 63°F | 37% | 24% | 15 h |
| July 11 | 85°F | 63°F | 37% | 24% | 15 h |
| July 12 | 85°F | 63°F | 37% | 24% | 15 h |
| July 13 | 85°F | 63°F | 38% | 25% | 15 h |
| July 14 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 15 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 16 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 17 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 18 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 19 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 20 | 85°F | 63°F | 38% | 25% | 14 h 50 min |
| July 21 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 22 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 23 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 24 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 25 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 26 | 85°F | 63°F | 38% | 25% | 14 h 40 min |
| July 27 | 85°F | 63°F | 38% | 25% | 14 h 30 min |
| July 28 | 85°F | 63°F | 38% | 25% | 14 h 30 min |
| July 29 | 85°F | 63°F | 38% | 25% | 14 h 30 min |
| July 30 | 85°F | 63°F | 38% | 25% | 14 h 30 min |
| July 31 | 84°F | 63°F | 38% | 25% | 14 h 30 min |
- Normal high
- 85°FJuly average
- Normal low
- 63°FJuly average
- Precipitation
- 4.64 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 15 h 10 min to 14 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014778; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Williamsport in July?
On a given July day the chance of 0.01 inch or more is 38% on average, highest around July 24 (38%). In all, 4.64 in falls on 12 days of a normal July, 1 of them with an inch or more.
In a normal July in Williamsport, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014778.
How humid and windy is Williamsport in July?
At 3 p.m. the normal temperature is 82°F with 49% relative humidity and a dew point of 61°F; at 6 a.m. it is 65°F with 90% humidity. The wind averages 4.7 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 65°F | 62°F | 90% | 3.0 mph | 42% |
| 9 a.m. | 72°F | 63°F | 73% | 5.1 mph | 50% |
| noon | 80°F | 62°F | 55% | 6.6 mph | 42% |
| 3 p.m. | 82°F | 61°F | 49% | 7.8 mph | 38% |
| 6 p.m. | 79°F | 62°F | 55% | 6.3 mph | 57% |
| 9 p.m. | 71°F | 63°F | 76% | 3.4 mph | 66% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014778. 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 Williamsport?
The warmest July temperature on Williamsport's official record (since 1895) is 106°F, on July 9, 1936; the coldest is 43°F, on July 20, 1929. The wettest July brought 11.99 in (2018).
The July mean against the 1991-2020 normal of 73.7°F: 2021 73.8°F (+0.1), 2022 76.3°F (+2.6), 2023 75.3°F (+1.6), 2024 76.4°F (+2.7), 2025 76.8°F (+3.1), 2026 75.5°F (+1.8). 6 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.8°F | +0.1°F | 6.99 in |
| 2022 | 76.3°F | +2.6°F | 2.11 in |
| 2023 | 75.3°F | +1.6°F | 10.05 in |
| 2024 | 76.4°F | +2.7°F | 3.05 in |
| 2025 | 76.8°F | +3.1°F | 2.89 in |
| 2026 | 75.5°F | +1.8°F | 3.23 in |
Source: records: ACIS, NWS threaded record IPTthr; recent months: ACIS, station USW00014778. Records and recent months use complete months only.
How does July in Williamsport 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; Williamsport's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Williamsport in June81°F by day, 58°F at night
- Williamsport in August83°F by day, 61°F at night
- Williamsport 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