Martinez weather in August: Martinez, California: normal highs, lows, rain and records for August
Martinez in August has a normal high of 87°F and a normal low of 51°F, a daily mean of 69°F, falling from 88°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 0 days in a normal August, 0.03 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 10°C, 1 mm of precipitation in August.
- NOAA stationMartinez Water Treatment Plant
- Station IDUSC00045378
- Location38.01°N 122.11°W
- Elevation40 ft (12 m)
- Population37,006
- Jan 56° 35°
- Feb 61° 37°
- Mar 66° 40°
- Apr 71° 43°
- May 78° 46°
- Jun 85° 50°
- Jul 88° 51°
- Aug 87° 51°
- Sep 84° 50°
- Oct 76° 46°
- Nov 64° 39°
- Dec 57° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Martinez in August?
The normal high is 87°F and the normal low 51°F, for a daily mean of 68.9°F. August is 0.9°F cooler than July and 2.0°F warmer than September. August is the 2nd warmest month of the year in Martinez and the 11th wettest. Across the month the normal high falls 1°F, from 88°F on August 1 to 87°F on August 31. From one year to the next August's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 68°F and 70°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 1%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 88°F | 51°F | 0% | 0% |
| August 8 | 88°F | 51°F | 0% | 0% |
| August 15 | 88°F | 51°F | 0% | 0% |
| August 22 | 87°F | 50°F | 1% | 0% |
| August 31 | 87°F | 50°F | 1% | 0% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 17)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 88°F | 51°F | 0% | 0% | 14 h 10 min |
| August 2 | 88°F | 51°F | 0% | 0% | 14 h 10 min |
| August 3 | 88°F | 51°F | 0% | 0% | 14 h |
| August 4 | 88°F | 51°F | 0% | 0% | 14 h |
| August 5 | 88°F | 51°F | 0% | 0% | 14 h |
| August 6 | 88°F | 51°F | 0% | 0% | 14 h |
| August 7 | 88°F | 51°F | 0% | 0% | 14 h |
| August 8 | 88°F | 51°F | 0% | 0% | 14 h |
| August 9 | 88°F | 51°F | 0% | 0% | 13 h 50 min |
| August 10 | 88°F | 51°F | 0% | 0% | 13 h 50 min |
| August 11 | 88°F | 51°F | 0% | 0% | 13 h 50 min |
| August 12 | 88°F | 51°F | 0% | 0% | 13 h 50 min |
| August 13 | 88°F | 51°F | 0% | 0% | 13 h 50 min |
| August 14 | 88°F | 51°F | 0% | 0% | 13 h 40 min |
| August 15 | 88°F | 51°F | 0% | 0% | 13 h 40 min |
| August 16 | 87°F | 51°F | 0% | 0% | 13 h 40 min |
| August 17 | 87°F | 50°F | 0% | 0% | 13 h 40 min |
| August 18 | 87°F | 50°F | 0% | 0% | 13 h 30 min |
| August 19 | 87°F | 50°F | 0% | 0% | 13 h 30 min |
| August 20 | 87°F | 50°F | 1% | 0% | 13 h 30 min |
| August 21 | 87°F | 50°F | 1% | 0% | 13 h 30 min |
| August 22 | 87°F | 50°F | 1% | 0% | 13 h 30 min |
| August 23 | 87°F | 50°F | 1% | 0% | 13 h 20 min |
| August 24 | 87°F | 50°F | 1% | 0% | 13 h 20 min |
| August 25 | 87°F | 50°F | 1% | 0% | 13 h 20 min |
| August 26 | 87°F | 50°F | 1% | 0% | 13 h 20 min |
| August 27 | 87°F | 50°F | 1% | 0% | 13 h 10 min |
| August 28 | 87°F | 50°F | 1% | 0% | 13 h 10 min |
| August 29 | 87°F | 50°F | 1% | 0% | 13 h 10 min |
| August 30 | 87°F | 50°F | 1% | 0% | 13 h 10 min |
| August 31 | 87°F | 50°F | 1% | 0% | 13 h 10 min |
- Normal high
- 87°FAugust average
- Normal low
- 51°FAugust average
- Precipitation
- 0.03 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 94%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00045378; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Martinez in August?
On a given August day the chance of 0.01 inch or more is 0% on average, highest around August 30 (1%). In all, 0.03 in falls on 0 days of a normal August.
In a normal August in Martinez, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00045378.
What are the records for August in Martinez?
The warmest August temperature on this station's record (since 1970) is 107°F, on August 11, 1971; the coldest is 42°F, on August 23, 1970. The wettest August brought 0.71 in (1983).
Source: records: ACIS, station USC00045378. Records and recent months use complete months only.
How does August in Martinez compare across California?
Across the 219 places PlainClimate covers in California, August normal highs run from 63°F in Bodega to 109°F in Needles; Martinez's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.