Williston weather in July: Williston, North Dakota: normal highs, lows, rain and records for July
Williston in July has a normal high of 85°F and a normal low of 56°F, a daily mean of 70°F, rising from 81°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 9 days in a normal July, 2.48 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 13°C, 63 mm of precipitation in July.
- NOAA stationWilliston Sloulin Field
- Station IDUSW00094014
- Location48.17°N 103.64°W
- Elevation1,902 ft (580 m)
- Population28,821
- Jan 22° 1°
- Feb 27° 6°
- Mar 40° 18°
- Apr 56° 29°
- May 67° 40°
- Jun 77° 50°
- Jul 85° 56°
- Aug 84° 54°
- Sep 73° 44°
- Oct 56° 30°
- Nov 38° 17°
- Dec 26° 6°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Williston in July?
The normal high is 85°F and the normal low 56°F, for a daily mean of 70.4°F. July is 6.9°F warmer than June and 1.4°F warmer than August. July is the warmest month of the year in Williston and the 2nd wettest. Across the month the normal high rises 6°F, from 81°F on July 1 to 87°F on July 31. From one year to the next July's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 67°F and 74°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 81°F | 54°F | 37% | 20% |
| July 8 | 83°F | 55°F | 34% | 19% |
| July 15 | 85°F | 57°F | 32% | 17% |
| July 22 | 86°F | 57°F | 30% | 16% |
| July 31 | 87°F | 57°F | 29% | 14% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 30, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 81°F | 54°F | 37% | 20% | 16 h |
| July 2 | 81°F | 54°F | 37% | 20% | 16 h |
| July 3 | 82°F | 54°F | 36% | 20% | 16 h |
| July 4 | 82°F | 55°F | 36% | 19% | 16 h |
| July 5 | 82°F | 55°F | 35% | 19% | 16 h |
| July 6 | 82°F | 55°F | 35% | 19% | 16 h |
| July 7 | 83°F | 55°F | 34% | 19% | 16 h |
| July 8 | 83°F | 55°F | 34% | 19% | 15 h 50 min |
| July 9 | 83°F | 56°F | 34% | 18% | 15 h 50 min |
| July 10 | 84°F | 56°F | 33% | 18% | 15 h 50 min |
| July 11 | 84°F | 56°F | 33% | 18% | 15 h 50 min |
| July 12 | 84°F | 56°F | 33% | 18% | 15 h 50 min |
| July 13 | 84°F | 56°F | 32% | 18% | 15 h 50 min |
| July 14 | 85°F | 56°F | 32% | 17% | 15 h 40 min |
| July 15 | 85°F | 57°F | 32% | 17% | 15 h 40 min |
| July 16 | 85°F | 57°F | 32% | 17% | 15 h 40 min |
| July 17 | 85°F | 57°F | 31% | 17% | 15 h 40 min |
| July 18 | 85°F | 57°F | 31% | 17% | 15 h 40 min |
| July 19 | 86°F | 57°F | 31% | 17% | 15 h 40 min |
| July 20 | 86°F | 57°F | 31% | 16% | 15 h 30 min |
| July 21 | 86°F | 57°F | 30% | 16% | 15 h 30 min |
| July 22 | 86°F | 57°F | 30% | 16% | 15 h 30 min |
| July 23 | 86°F | 57°F | 30% | 16% | 15 h 30 min |
| July 24 | 86°F | 57°F | 30% | 16% | 15 h 20 min |
| July 25 | 86°F | 57°F | 29% | 15% | 15 h 20 min |
| July 26 | 86°F | 57°F | 29% | 15% | 15 h 20 min |
| July 27 | 87°F | 57°F | 29% | 15% | 15 h 20 min |
| July 28 | 87°F | 57°F | 29% | 15% | 15 h 10 min |
| July 29 | 87°F | 57°F | 29% | 15% | 15 h 10 min |
| July 30 | 87°F | 57°F | 29% | 15% | 15 h 10 min |
| July 31 | 87°F | 57°F | 29% | 14% | 15 h 10 min |
- Normal high
- 85°FJuly average
- Normal low
- 56°FJuly average
- Precipitation
- 2.48 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 16 h to 15 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 23
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094014; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Williston in July?
On a given July day the chance of 0.01 inch or more is 32% on average, highest around July 1 (37%). In all, 2.48 in falls on 9 days of a normal July, 1 of them with an inch or more.
In a normal July in Williston, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094014.
How humid and windy is Williston in July?
At 3 p.m. the normal temperature is 83°F with 35% relative humidity and a dew point of 52°F; at 6 a.m. it is 59°F with 83% humidity. The wind averages 7.9 mph, most often from the west-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 59°F | 53°F | 83% | 5.0 mph | 75% |
| 9 a.m. | 69°F | 56°F | 63% | 7.9 mph | 77% |
| noon | 78°F | 54°F | 44% | 10.3 mph | 74% |
| 3 p.m. | 83°F | 52°F | 35% | 11.0 mph | 73% |
| 6 p.m. | 82°F | 52°F | 35% | 11.1 mph | 78% |
| 9 p.m. | 71°F | 55°F | 57% | 7.4 mph | 84% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094014. 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 Williston?
The warmest July temperature on Williston's official record (since 1894) is 110°F, on July 5, 1936; the coldest is 34°F, on July 3, 1967. The wettest July brought 6.62 in (1997).
Source: records: ACIS, NWS threaded record ISNthr. Records and recent months use complete months only.
How does July in Williston 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; Williston's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.