Clearlake weather in July: Clearlake, California: normal highs, lows, rain and records for July
Clearlake in July has a normal high of 91°F and a normal low of 56°F, a daily mean of 74°F, rising from 89°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 0 days in a normal July, 0.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 13°C, 0 mm of precipitation in July.
- NOAA stationClearlake (4 mi SE)
- Station IDUSC00041806
- Location38.92°N 122.57°W
- Elevation1,349 ft (411 m)
- From the center4 miles
- Population16,636
- Jan 55° 33°
- Feb 58° 34°
- Mar 62° 35°
- Apr 66° 39°
- May 73° 45°
- Jun 83° 52°
- Jul 91° 56°
- Aug 91° 54°
- Sep 85° 50°
- Oct 75° 43°
- Nov 63° 36°
- Dec 55° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Clearlake in July?
The normal high is 91°F and the normal low 56°F, for a daily mean of 73.6°F. July is 6.3°F warmer than June and 1.2°F warmer than August. July is the warmest month of the year in Clearlake and the 12th wettest. Across the month the normal high rises 3°F, from 89°F on July 1 to 92°F on July 31. From one year to the next July's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 71°F and 76°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 3%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 89°F | 55°F | 3% | – |
| July 8 | 91°F | 56°F | 2% | – |
| July 15 | 92°F | 56°F | 1% | – |
| July 22 | 92°F | 56°F | 1% | – |
| July 31 | 92°F | 56°F | 1% | – |
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 | 89°F | 55°F | 3% | – | 14 h 50 min |
| July 2 | 89°F | 55°F | 2% | – | 14 h 50 min |
| July 3 | 90°F | 55°F | 2% | – | 14 h 50 min |
| July 4 | 90°F | 55°F | 2% | – | 14 h 50 min |
| July 5 | 90°F | 55°F | 2% | – | 14 h 50 min |
| July 6 | 90°F | 55°F | 2% | – | 14 h 50 min |
| July 7 | 91°F | 55°F | 2% | – | 14 h 50 min |
| July 8 | 91°F | 56°F | 2% | – | 14 h 50 min |
| July 9 | 91°F | 56°F | 2% | – | 14 h 50 min |
| July 10 | 91°F | 56°F | 1% | – | 14 h 50 min |
| July 11 | 91°F | 56°F | 1% | – | 14 h 40 min |
| July 12 | 91°F | 56°F | 1% | – | 14 h 40 min |
| July 13 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 14 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 15 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 16 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 17 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 18 | 92°F | 56°F | 1% | – | 14 h 40 min |
| July 19 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 20 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 21 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 22 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 23 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 24 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 25 | 92°F | 56°F | 1% | – | 14 h 30 min |
| July 26 | 92°F | 56°F | 1% | – | 14 h 20 min |
| July 27 | 92°F | 56°F | 1% | – | 14 h 20 min |
| July 28 | 92°F | 56°F | 1% | – | 14 h 20 min |
| July 29 | 92°F | 56°F | 1% | – | 14 h 20 min |
| July 30 | 92°F | 56°F | 1% | – | 14 h 20 min |
| July 31 | 92°F | 56°F | 1% | – | 14 h 10 min |
- Normal high
- 91°FJuly average
- Normal low
- 56°FJuly average
- Precipitation
- 0.01 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 22
- 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
- 30
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00041806; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Clearlake in July?
On a given July day the chance of 0.01 inch or more is 1% on average, highest around July 1 (3%). In all, 0.01 in falls on 0 days of a normal July.
In a normal July in Clearlake, 22 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00041806.
What are the records for July in Clearlake?
The warmest July temperature on this station's record (since 1954) is 113°F, on July 16, 1972; the coldest is 39°F, on July 27, 1965. The wettest July brought 0.70 in (1974).
The July mean against the 1991-2020 normal of 73.6°F: 2022 75.9°F (+2.3), 2025 72.4°F (−1.2), 2026 74.9°F (+1.3). 2 of 3 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 75.9°F | +2.3°F | 0.00 in |
| 2025 | 72.4°F | −1.2°F | 0.00 in |
| 2026 | 74.9°F | +1.3°F | 0.00 in |
Source: records: ACIS, station USC00041806; recent months: ACIS, station USC00041806. Records and recent months use complete months only.
How does July in Clearlake compare across California?
Across the 219 places PlainClimate covers in California, July normal highs run from 62°F in Bodega to 111°F in Needles; Clearlake's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.