Cottage Grove weather in July: Cottage Grove, Oregon: normal highs, lows, rain and records for July
Cottage Grove in July has a normal high of 82°F and a normal low of 51°F, a daily mean of 67°F, rising from 78°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 3 days in a normal July, 0.40 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 11°C, 10 mm of precipitation in July.
- NOAA stationCottage Grove (2 mi E)
- Station IDUSC00351897
- Location43.79°N 123.03°W
- Elevation595 ft (181 m)
- Population10,690
- Jan 48° 33°
- Feb 52° 34°
- Mar 56° 35°
- Apr 61° 38°
- May 68° 44°
- Jun 73° 48°
- Jul 82° 51°
- Aug 83° 50°
- Sep 77° 46°
- Oct 64° 41°
- Nov 53° 37°
- Dec 47° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cottage Grove in July?
The normal high is 82°F and the normal low 51°F, for a daily mean of 66.6°F. July is 6.1°F warmer than June and 0.1°F warmer than August. July is the warmest month of the year in Cottage Grove and the 12th wettest. Across the month the normal high rises 6°F, from 78°F on July 1 to 84°F on July 31. From one year to the next July's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Julys in three average between 65°F and 69°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 16%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 78°F | 50°F | 16% | 8% |
| July 8 | 80°F | 51°F | 12% | 6% |
| July 15 | 82°F | 51°F | 10% | 4% |
| July 22 | 84°F | 52°F | 8% | 4% |
| July 31 | 84°F | 52°F | 7% | 3% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 29, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 78°F | 50°F | 16% | 8% | 15 h 20 min |
| July 2 | 78°F | 50°F | 16% | 7% | 15 h 20 min |
| July 3 | 79°F | 50°F | 15% | 7% | 15 h 20 min |
| July 4 | 79°F | 50°F | 14% | 7% | 15 h 20 min |
| July 5 | 79°F | 50°F | 14% | 6% | 15 h 20 min |
| July 6 | 80°F | 50°F | 13% | 6% | 15 h 20 min |
| July 7 | 80°F | 51°F | 13% | 6% | 15 h 20 min |
| July 8 | 80°F | 51°F | 12% | 6% | 15 h 20 min |
| July 9 | 81°F | 51°F | 12% | 5% | 15 h 20 min |
| July 10 | 81°F | 51°F | 11% | 5% | 15 h 20 min |
| July 11 | 81°F | 51°F | 11% | 5% | 15 h 20 min |
| July 12 | 82°F | 51°F | 10% | 5% | 15 h 10 min |
| July 13 | 82°F | 51°F | 10% | 5% | 15 h 10 min |
| July 14 | 82°F | 51°F | 10% | 5% | 15 h 10 min |
| July 15 | 82°F | 51°F | 10% | 4% | 15 h 10 min |
| July 16 | 83°F | 51°F | 9% | 4% | 15 h 10 min |
| July 17 | 83°F | 51°F | 9% | 4% | 15 h 10 min |
| July 18 | 83°F | 52°F | 9% | 4% | 15 h 10 min |
| July 19 | 83°F | 52°F | 9% | 4% | 15 h |
| July 20 | 83°F | 52°F | 9% | 4% | 15 h |
| July 21 | 84°F | 52°F | 8% | 4% | 15 h |
| July 22 | 84°F | 52°F | 8% | 4% | 15 h |
| July 23 | 84°F | 52°F | 8% | 3% | 15 h |
| July 24 | 84°F | 52°F | 8% | 3% | 14 h 50 min |
| July 25 | 84°F | 52°F | 8% | 3% | 14 h 50 min |
| July 26 | 84°F | 52°F | 8% | 3% | 14 h 50 min |
| July 27 | 84°F | 52°F | 7% | 3% | 14 h 50 min |
| July 28 | 84°F | 52°F | 7% | 3% | 14 h 50 min |
| July 29 | 84°F | 52°F | 7% | 3% | 14 h 40 min |
| July 30 | 84°F | 52°F | 7% | 3% | 14 h 40 min |
| July 31 | 84°F | 52°F | 7% | 3% | 14 h 40 min |
- Normal high
- 82°FJuly average
- Normal low
- 51°FJuly average
- Precipitation
- 0.40 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 6
- Daylight
- 15 h 20 min to 14 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 21
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00351897; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cottage Grove in July?
On a given July day the chance of 0.01 inch or more is 10% on average, highest around July 1 (16%). In all, 0.40 in falls on 3 days of a normal July.
In a normal July in Cottage Grove, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00351897.
What are the records for July in Cottage Grove?
The warmest July temperature on this station's record (since 1916) is 105°F, on July 10, 1926; the coldest is 34°F, on July 3, 1918. The wettest July brought 3.16 in (1947).
The July mean against the 1991-2020 normal of 66.6°F: 2021 68.6°F (+2.0), 2022 67.5°F (+0.9), 2023 68.0°F (+1.5), 2024 69.4°F (+2.8), 2025 69.4°F (+2.8). 5 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 68.6°F | +2.0°F | 0.00 in |
| 2022 | 67.5°F | +0.9°F | 0.28 in |
| 2023 | 68.0°F | +1.5°F | 0.00 in |
| 2024 | 69.4°F | +2.8°F | 0.24 in |
| 2025 | 69.4°F | +2.8°F | 0.00 in |
Source: records: ACIS, station USC00351897; recent months: ACIS, station USC00351897. Records and recent months use complete months only.
How does July in Cottage Grove compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, July normal highs run from 64°F in Newport to 95°F in Ontario; Cottage Grove's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.