Bismarck weather in July: Bismarck, North Dakota: normal highs, lows, rain and records for July

Bismarck in July has a normal high of 85°F and a normal low of 58°F, a daily mean of 71°F, rising from 82°F on the 1st to 86°F by the 31st. Measurable precipitation falls on 10 days in a normal July, 3.07 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 14°C, 78 mm of precipitation in July.

  • NOAA stationBismarck Municipal Airport
  • Station IDUSW00024011
  • Location46.77°N 100.76°W
  • Elevation1,658 ft (505 m)
  • From the center3 miles
  • Population77,772
  1. Jan 23° 2°
  2. Feb 28° 7°
  3. Mar 41° 19°
  4. Apr 56° 30°
  5. May 68° 42°
  6. Jun 78° 53°
  7. Jul 85° 58°
  8. Aug 84° 56°
  9. Sep 73° 46°
  10. Oct 57° 33°
  11. Nov 41° 19°
  12. Dec 28° 8°

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

How warm is Bismarck in July?

The normal high is 85°F and the normal low 58°F, for a daily mean of 71.3°F. July is 5.9°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in Bismarck and the 2nd wettest. Across the month the normal high rises 4°F, from 82°F on July 1 to 86°F on July 31. From one year to the next July's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 74°F.

Bismarck 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 35%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 182°F56°F35%21%
July 884°F57°F33%21%
July 1585°F58°F31%20%
July 2286°F59°F30%19%
July 3186°F58°F28%17%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 25, coldest night July 1)
Bismarck: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 182°F56°F35%21%15 h 50 min
July 282°F56°F35%21%15 h 50 min
July 382°F57°F35%21%15 h 50 min
July 483°F57°F34%21%15 h 50 min
July 583°F57°F34%21%15 h 50 min
July 683°F57°F34%21%15 h 40 min
July 783°F57°F34%21%15 h 40 min
July 884°F57°F33%21%15 h 40 min
July 984°F58°F33%20%15 h 40 min
July 1084°F58°F33%20%15 h 40 min
July 1184°F58°F32%20%15 h 40 min
July 1284°F58°F32%20%15 h 40 min
July 1385°F58°F32%20%15 h 30 min
July 1485°F58°F32%20%15 h 30 min
July 1585°F58°F31%20%15 h 30 min
July 1685°F58°F31%20%15 h 30 min
July 1785°F58°F31%19%15 h 30 min
July 1885°F58°F31%19%15 h 30 min
July 1986°F58°F31%19%15 h 20 min
July 2086°F59°F30%19%15 h 20 min
July 2186°F59°F30%19%15 h 20 min
July 2286°F59°F30%19%15 h 20 min
July 2386°F59°F30%18%15 h 20 min
July 2486°F59°F29%18%15 h 10 min
July 2586°F59°F29%18%15 h 10 min
July 2686°F59°F29%18%15 h 10 min
July 2786°F59°F29%18%15 h 10 min
July 2886°F59°F28%17%15 h
July 2986°F59°F28%17%15 h
July 3086°F59°F28%17%15 h
July 3186°F58°F28%17%15 h
Normal high
85°FJuly average
Normal low
58°FJuly average
Precipitation
3.07 inmonth total
Days with precipitation
100.01 inch or more
Days at 90°F or more
8
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
23
Sunshine
85%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024011; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Bismarck in July?

On a given July day the chance of 0.01 inch or more is 31% on average, highest around July 1 (35%). In all, 3.07 in falls on 10 days of a normal July, 1 of them with an inch or more.

In a normal July in Bismarck, 8 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024011.

How humid and windy is Bismarck in July?

At 3 p.m. the normal temperature is 83°F with 41% relative humidity and a dew point of 56°F; at 6 a.m. it is 60°F with 87% humidity. The wind averages 8.1 mph, most often from the south in the afternoon.

A normal July day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.60°F56°F87%5.4 mph69%
9 a.m.70°F59°F66%8.1 mph78%
noon79°F57°F48%10.5 mph68%
3 p.m.83°F56°F41%11.3 mph70%
6 p.m.81°F56°F43%10.7 mph73%
9 p.m.71°F58°F64%7.3 mph80%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024011. 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 Bismarck?

The warmest July temperature on Bismarck's official record (since 1874) is 114°F, on July 6, 1936; the coldest is 32°F, on July 6, 1884. The wettest July brought 13.75 in (1993).

The July mean against the 1991-2020 normal of 71.3°F: 2021 78.8°F (+7.5), 2022 73.9°F (+2.6), 2023 70.1°F (−1.2), 2024 73.3°F (+2.0), 2025 71.6°F (+0.3), 2026 77.3°F (+6.0). 5 of 6 ran warmer than normal.

Bismarck: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202178.8°F+7.5°F1.56 in
202273.9°F+2.6°F3.77 in
202370.1°F−1.2°F1.39 in
202473.3°F+2.0°F2.57 in
202571.6°F+0.3°F4.52 in
202677.3°F+6.0°F0.96 in

Source: records: ACIS, NWS threaded record BISthr; recent months: ACIS, station USW00024011. Records and recent months use complete months only.

How does July in Bismarck 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; Bismarck's is 85°F.

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

Other months and places