Jamestown weather in July: Jamestown, New York: normal highs, lows, rain and records for July
Jamestown in July has a normal high of 80°F and a normal low of 57°F, a daily mean of 69°F, holding near 80°F all month. Measurable precipitation falls on 12 days in a normal July, 4.55 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 14°C, 116 mm of precipitation in July.
- NOAA stationJamestown (4 mi ENE)
- Station IDUSC00304207
- Location42.11°N 79.16°W
- Elevation1,250 ft (381 m)
- From the center4 miles
- Population27,699
- Jan 32° 16°
- Feb 35° 16°
- Mar 44° 23°
- Apr 57° 34°
- May 69° 44°
- Jun 77° 54°
- Jul 80° 57°
- Aug 79° 56°
- Sep 73° 50°
- Oct 61° 39°
- Nov 48° 31°
- Dec 37° 23°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jamestown in July?
The normal high is 80°F and the normal low 57°F, for a daily mean of 68.8°F. July is 3.7°F warmer than June and 1.0°F warmer than August. July is the warmest month of the year in Jamestown and the wettest. From one year to the next July's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 67°F and 71°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 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 80°F | 57°F | 41% | 26% |
| July 8 | 80°F | 57°F | 41% | 26% |
| July 15 | 81°F | 58°F | 40% | 26% |
| July 22 | 81°F | 58°F | 41% | 26% |
| July 31 | 80°F | 57°F | 41% | 26% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 13, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 2 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 3 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 4 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 5 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 6 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 7 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 8 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 9 | 80°F | 57°F | 41% | 26% | 15 h 10 min |
| July 10 | 80°F | 58°F | 41% | 26% | 15 h 10 min |
| July 11 | 80°F | 58°F | 40% | 26% | 15 h |
| July 12 | 80°F | 58°F | 40% | 26% | 15 h |
| July 13 | 81°F | 58°F | 40% | 26% | 15 h |
| July 14 | 81°F | 58°F | 40% | 26% | 15 h |
| July 15 | 81°F | 58°F | 40% | 26% | 15 h |
| July 16 | 81°F | 58°F | 40% | 26% | 15 h |
| July 17 | 81°F | 58°F | 40% | 26% | 15 h |
| July 18 | 81°F | 58°F | 40% | 26% | 14 h 50 min |
| July 19 | 81°F | 58°F | 40% | 26% | 14 h 50 min |
| July 20 | 81°F | 58°F | 41% | 26% | 14 h 50 min |
| July 21 | 81°F | 58°F | 41% | 26% | 14 h 50 min |
| July 22 | 81°F | 58°F | 41% | 26% | 14 h 50 min |
| July 23 | 81°F | 58°F | 41% | 26% | 14 h 50 min |
| July 24 | 80°F | 58°F | 41% | 26% | 14 h 40 min |
| July 25 | 80°F | 58°F | 41% | 26% | 14 h 40 min |
| July 26 | 80°F | 57°F | 41% | 26% | 14 h 40 min |
| July 27 | 80°F | 57°F | 41% | 26% | 14 h 40 min |
| July 28 | 80°F | 57°F | 41% | 26% | 14 h 40 min |
| July 29 | 80°F | 57°F | 41% | 26% | 14 h 30 min |
| July 30 | 80°F | 57°F | 41% | 26% | 14 h 30 min |
| July 31 | 80°F | 57°F | 41% | 26% | 14 h 30 min |
- Normal high
- 80°FJuly average
- Normal low
- 57°FJuly average
- Precipitation
- 4.55 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 15 h 10 min to 14 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 18
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00304207; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jamestown in July?
On a given July day the chance of 0.01 inch or more is 41% on average, highest around July 1 (41%). In all, 4.55 in falls on 12 days of a normal July, 1 of them with an inch or more.
In a normal July in Jamestown, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00304207.
What are the records for July in Jamestown?
The warmest July temperature on Jamestown's official record (since 1895) is 100°F, on July 9, 1936; the coldest is 36°F, on July 6, 1979. The wettest July brought 11.44 in (2021).
The July mean against the 1991-2020 normal of 68.8°F: 2021 69.8°F (+1.0), 2022 69.8°F (+1.0), 2023 70.0°F (+1.2), 2024 70.7°F (+1.9), 2025 72.9°F (+4.1), 2026 70.1°F (+1.3). 6 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.8°F | +1.0°F | 11.44 in |
| 2022 | 69.8°F | +1.0°F | 3.69 in |
| 2023 | 70.0°F | +1.2°F | 5.43 in |
| 2024 | 70.7°F | +1.9°F | 1.59 in |
| 2025 | 72.9°F | +4.1°F | 2.17 in |
| 2026 | 70.1°F | +1.3°F | 1.63 in |
Source: records: ACIS, NWS threaded record JSTN6thr; recent months: ACIS, station USC00304207. Records and recent months use complete months only.
How does July in Jamestown compare across New York?
Across the 131 places PlainClimate covers in New York, July normal highs run from 73°F in Cooperstown to 87°F in Mineola; Jamestown's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.