Rolla weather in July: Rolla, Missouri: normal highs, lows, rain and records for July
Rolla in July has a normal high of 89°F and a normal low of 69°F, a daily mean of 79°F, rising from 87°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 9 days in a normal July, 4.74 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 20°C, 120 mm of precipitation in July.
- NOAA stationRolla Missouri S&t
- Station IDUSC00237263
- Location37.96°N 91.78°W
- Elevation1,173 ft (358 m)
- From the center1 miles
- Population20,660
- Jan 41° 22°
- Feb 46° 26°
- Mar 56° 35°
- Apr 67° 45°
- May 76° 56°
- Jun 84° 65°
- Jul 89° 69°
- Aug 88° 67°
- Sep 80° 59°
- Oct 69° 47°
- Nov 56° 36°
- Dec 45° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rolla in July?
The normal high is 89°F and the normal low 69°F, for a daily mean of 78.8°F. July is 4.5°F warmer than June and 1.2°F warmer than August. July is the warmest month of the year in Rolla and the 3rd wettest. Across the month the normal high rises 3°F, from 87°F on July 1 to 90°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 76°F and 81°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 87°F | 68°F | 31% | 22% |
| July 8 | 88°F | 69°F | 30% | 21% |
| July 15 | 89°F | 69°F | 29% | 20% |
| July 22 | 89°F | 69°F | 29% | 20% |
| July 31 | 90°F | 69°F | 29% | 20% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 25, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 87°F | 68°F | 31% | 22% | 14 h 50 min |
| July 2 | 88°F | 68°F | 31% | 22% | 14 h 50 min |
| July 3 | 88°F | 68°F | 31% | 22% | 14 h 40 min |
| July 4 | 88°F | 68°F | 31% | 21% | 14 h 40 min |
| July 5 | 88°F | 68°F | 31% | 21% | 14 h 40 min |
| July 6 | 88°F | 68°F | 31% | 21% | 14 h 40 min |
| July 7 | 88°F | 69°F | 30% | 21% | 14 h 40 min |
| July 8 | 88°F | 69°F | 30% | 21% | 14 h 40 min |
| July 9 | 89°F | 69°F | 30% | 21% | 14 h 40 min |
| July 10 | 89°F | 69°F | 30% | 21% | 14 h 40 min |
| July 11 | 89°F | 69°F | 30% | 20% | 14 h 40 min |
| July 12 | 89°F | 69°F | 30% | 20% | 14 h 40 min |
| July 13 | 89°F | 69°F | 30% | 20% | 14 h 40 min |
| July 14 | 89°F | 69°F | 30% | 20% | 14 h 40 min |
| July 15 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 16 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 17 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 18 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 19 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 20 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 21 | 89°F | 69°F | 29% | 20% | 14 h 30 min |
| July 22 | 89°F | 69°F | 29% | 20% | 14 h 20 min |
| July 23 | 90°F | 69°F | 29% | 20% | 14 h 20 min |
| July 24 | 90°F | 69°F | 29% | 20% | 14 h 20 min |
| July 25 | 90°F | 69°F | 29% | 20% | 14 h 20 min |
| July 26 | 90°F | 69°F | 29% | 20% | 14 h 20 min |
| July 27 | 90°F | 69°F | 29% | 20% | 14 h 20 min |
| July 28 | 90°F | 69°F | 30% | 20% | 14 h 20 min |
| July 29 | 90°F | 69°F | 30% | 20% | 14 h 10 min |
| July 30 | 90°F | 69°F | 30% | 20% | 14 h 10 min |
| July 31 | 90°F | 69°F | 29% | 20% | 14 h 10 min |
- Normal high
- 89°FJuly average
- Normal low
- 69°FJuly average
- Precipitation
- 4.74 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 16
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00237263; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rolla in July?
On a given July day the chance of 0.01 inch or more is 30% on average, highest around July 1 (31%). In all, 4.74 in falls on 9 days of a normal July, 2 of them with an inch or more.
In a normal July in Rolla, 16 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00237263.
What are the records for July in Rolla?
The warmest July temperature on this station's record (since 1897) is 113°F, on July 15, 1954; the coldest is 49°F, on July 23, 1947. The wettest July brought 15.66 in (1998).
The July mean against the 1991-2020 normal of 78.8°F: 2021 77.6°F (−1.2), 2022 82.8°F (+4.0), 2023 78.8°F (at normal), 2024 76.4°F (−2.4), 2025 81.1°F (+2.3), 2026 79.8°F (+1.0). 3 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.6°F | −1.2°F | 5.90 in |
| 2022 | 82.8°F | +4.0°F | 1.50 in |
| 2023 | 78.8°F | at normal | 5.60 in |
| 2024 | 76.4°F | −2.4°F | 7.81 in |
| 2025 | 81.1°F | +2.3°F | 1.88 in |
| 2026 | 79.8°F | +1.0°F | 5.11 in |
Source: records: ACIS, station USC00237263; recent months: ACIS, station USC00237263. Records and recent months use complete months only.
How does July in Rolla compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, July normal highs run from 85°F in Canton to 92°F in Malden; Rolla's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.