Jamestown weather in July: Jamestown, North Dakota: normal highs, lows, rain and records for July
Jamestown in July has a normal high of 81°F and a normal low of 58°F, a daily mean of 70°F, rising from 79°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 11 days in a normal July, 3.58 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 15°C, 91 mm of precipitation in July.
- NOAA stationJamestown Municipal Airport
- Station IDUSW00014919
- Location46.93°N 98.67°W
- Elevation1,494 ft (455 m)
- From the center2 miles
- Population15,789
- Jan 19° 1°
- Feb 24° 5°
- Mar 37° 17°
- Apr 53° 30°
- May 67° 43°
- Jun 76° 54°
- Jul 81° 58°
- Aug 80° 55°
- Sep 71° 46°
- Oct 55° 33°
- Nov 38° 19°
- Dec 24° 7°
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 81°F and the normal low 58°F, for a daily mean of 69.7°F. July is 4.7°F warmer than June and 2.2°F warmer than August. July is the warmest month of the year in Jamestown and the wettest. Across the month the normal high rises 3°F, from 79°F on July 1 to 82°F on July 31. From one year to the next July's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Julys in three average between 67°F and 72°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 79°F | 57°F | 39% | 22% |
| July 8 | 81°F | 58°F | 37% | 21% |
| July 15 | 81°F | 58°F | 35% | 20% |
| July 22 | 82°F | 58°F | 33% | 18% |
| July 31 | 82°F | 58°F | 30% | 16% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 23, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 79°F | 57°F | 39% | 22% | 15 h 50 min |
| July 2 | 80°F | 57°F | 38% | 22% | 15 h 50 min |
| July 3 | 80°F | 57°F | 38% | 22% | 15 h 50 min |
| July 4 | 80°F | 58°F | 38% | 22% | 15 h 50 min |
| July 5 | 80°F | 58°F | 38% | 22% | 15 h 50 min |
| July 6 | 80°F | 58°F | 38% | 22% | 15 h 50 min |
| July 7 | 80°F | 58°F | 37% | 21% | 15 h 40 min |
| July 8 | 81°F | 58°F | 37% | 21% | 15 h 40 min |
| July 9 | 81°F | 58°F | 37% | 21% | 15 h 40 min |
| July 10 | 81°F | 58°F | 36% | 21% | 15 h 40 min |
| July 11 | 81°F | 58°F | 36% | 21% | 15 h 40 min |
| July 12 | 81°F | 58°F | 36% | 20% | 15 h 40 min |
| July 13 | 81°F | 58°F | 35% | 20% | 15 h 40 min |
| July 14 | 81°F | 58°F | 35% | 20% | 15 h 30 min |
| July 15 | 81°F | 58°F | 35% | 20% | 15 h 30 min |
| July 16 | 82°F | 58°F | 35% | 20% | 15 h 30 min |
| July 17 | 82°F | 58°F | 34% | 19% | 15 h 30 min |
| July 18 | 82°F | 58°F | 34% | 19% | 15 h 30 min |
| July 19 | 82°F | 58°F | 34% | 19% | 15 h 30 min |
| July 20 | 82°F | 58°F | 33% | 19% | 15 h 20 min |
| July 21 | 82°F | 58°F | 33% | 19% | 15 h 20 min |
| July 22 | 82°F | 58°F | 33% | 18% | 15 h 20 min |
| July 23 | 82°F | 58°F | 32% | 18% | 15 h 20 min |
| July 24 | 82°F | 58°F | 32% | 18% | 15 h 20 min |
| July 25 | 82°F | 58°F | 32% | 18% | 15 h 10 min |
| July 26 | 82°F | 58°F | 32% | 17% | 15 h 10 min |
| July 27 | 82°F | 58°F | 31% | 17% | 15 h 10 min |
| July 28 | 82°F | 58°F | 31% | 17% | 15 h 10 min |
| July 29 | 82°F | 58°F | 31% | 17% | 15 h |
| July 30 | 82°F | 58°F | 30% | 16% | 15 h |
| July 31 | 82°F | 58°F | 30% | 16% | 15 h |
- Normal high
- 81°FJuly average
- Normal low
- 58°FJuly average
- Precipitation
- 3.58 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 15 h 50 min to 15 hJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 19
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014919; 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 34% on average, highest around July 1 (39%). In all, 3.58 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Jamestown, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014919.
How humid and windy is Jamestown in July?
At 3 p.m. the normal temperature is 79°F with 49% relative humidity and a dew point of 58°F; at 6 a.m. it is 60°F with 89% humidity. The wind averages 8.4 mph, most often from the west in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 60°F | 56°F | 89% | 6.3 mph | – |
| 9 a.m. | 70°F | 59°F | 69% | 9.4 mph | – |
| noon | 76°F | 59°F | 54% | 10.8 mph | – |
| 3 p.m. | 79°F | 58°F | 49% | 11.1 mph | 63% |
| 6 p.m. | 77°F | 59°F | 53% | 10.0 mph | 74% |
| 9 p.m. | 67°F | 60°F | 76% | 6.8 mph | 80% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014919. 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 Jamestown?
The warmest July temperature on this station's record (since 1948) is 108°F, on July 11, 1973; the coldest is 38°F, on July 3, 1967. The wettest July brought 11.06 in (1993).
The July mean against the 1991-2020 normal of 69.7°F: 2021 75.0°F (+5.3), 2022 72.9°F (+3.2), 2023 67.8°F (−1.9), 2024 72.3°F (+2.6), 2025 69.4°F (−0.3), 2026 74.4°F (+4.7). 4 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.0°F | +5.3°F | 0.19 in |
| 2022 | 72.9°F | +3.2°F | 1.32 in |
| 2023 | 67.8°F | −1.9°F | 2.08 in |
| 2024 | 72.3°F | +2.6°F | 2.15 in |
| 2025 | 69.4°F | −0.3°F | 2.68 in |
| 2026 | 74.4°F | +4.7°F | 2.27 in |
Source: records: ACIS, station USW00014919; recent months: ACIS, station USW00014919. Records and recent months use complete months only.
How does July in Jamestown compare across North Dakota?
Across the 92 places PlainClimate covers in North Dakota, July normal highs run from 75°F in Rolla to 86°F in Amidon; Jamestown's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.