Redwood City weather in August: Redwood City, California: normal highs, lows, rain and records for August
Redwood City in August has a normal high of 81°F and a normal low of 57°F, a daily mean of 69°F, holding near 81°F all month. Measurable precipitation falls on 0 days in a normal August, 0.04 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 14°C, 1 mm of precipitation in August.
- NOAA stationRedwood City
- Station IDUSC00047339
- Location37.48°N 122.24°W
- Elevation31 ft (9 m)
- From the center3 miles
- Population82,982
- Jan 59° 41°
- Feb 62° 43°
- Mar 65° 45°
- Apr 69° 47°
- May 73° 50°
- Jun 79° 54°
- Jul 81° 57°
- Aug 81° 57°
- Sep 79° 54°
- Oct 75° 50°
- Nov 65° 44°
- Dec 59° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Redwood City in August?
The normal high is 81°F and the normal low 57°F, for a daily mean of 68.7°F. August is 0.1°F cooler than July and 1.9°F warmer than September. August is the 2nd warmest month of the year in Redwood City and the 11th wettest. From one year to the next August's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 67°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 | 81°F | 57°F | 0% | 0% |
| August 8 | 81°F | 57°F | 1% | 0% |
| August 15 | 81°F | 57°F | 1% | 0% |
| August 22 | 81°F | 56°F | 1% | 0% |
| August 31 | 81°F | 56°F | 1% | 0% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 14, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 81°F | 57°F | 0% | 0% | 14 h 10 min |
| August 2 | 81°F | 57°F | 0% | 0% | 14 h |
| August 3 | 81°F | 57°F | 0% | 0% | 14 h |
| August 4 | 81°F | 57°F | 0% | 0% | 14 h |
| August 5 | 81°F | 57°F | 0% | 0% | 14 h |
| August 6 | 81°F | 57°F | 1% | 0% | 14 h |
| August 7 | 81°F | 57°F | 1% | 0% | 14 h |
| August 8 | 81°F | 57°F | 1% | 0% | 13 h 50 min |
| August 9 | 81°F | 57°F | 1% | 0% | 13 h 50 min |
| August 10 | 81°F | 57°F | 1% | 0% | 13 h 50 min |
| August 11 | 81°F | 57°F | 1% | 0% | 13 h 50 min |
| August 12 | 81°F | 57°F | 1% | 0% | 13 h 50 min |
| August 13 | 81°F | 57°F | 1% | 0% | 13 h 40 min |
| August 14 | 81°F | 57°F | 1% | 0% | 13 h 40 min |
| August 15 | 81°F | 57°F | 1% | 0% | 13 h 40 min |
| August 16 | 81°F | 57°F | 1% | 0% | 13 h 40 min |
| August 17 | 81°F | 57°F | 1% | 0% | 13 h 30 min |
| August 18 | 81°F | 56°F | 1% | 0% | 13 h 30 min |
| August 19 | 81°F | 56°F | 1% | 0% | 13 h 30 min |
| August 20 | 81°F | 56°F | 1% | 0% | 13 h 30 min |
| August 21 | 81°F | 56°F | 1% | 0% | 13 h 30 min |
| August 22 | 81°F | 56°F | 1% | 0% | 13 h 20 min |
| August 23 | 81°F | 56°F | 1% | 0% | 13 h 20 min |
| August 24 | 81°F | 56°F | 1% | 0% | 13 h 20 min |
| August 25 | 81°F | 56°F | 1% | 0% | 13 h 20 min |
| August 26 | 81°F | 56°F | 1% | 0% | 13 h 20 min |
| August 27 | 81°F | 56°F | 1% | 0% | 13 h 10 min |
| August 28 | 81°F | 56°F | 1% | 0% | 13 h 10 min |
| August 29 | 81°F | 56°F | 1% | 0% | 13 h 10 min |
| August 30 | 81°F | 56°F | 1% | 0% | 13 h 10 min |
| August 31 | 81°F | 56°F | 1% | 0% | 13 h |
- Normal high
- 81°FAugust average
- Normal low
- 57°FAugust average
- Precipitation
- 0.04 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 14 h 10 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 16
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00047339; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Redwood City in August?
On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 29 (1%). In all, 0.04 in falls on 0 days of a normal August.
In a normal August in Redwood City, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00047339.
What are the records for August in Redwood City?
The warmest August temperature on this station's record (since 1930) is 104°F, on August 1, 1993; the coldest is 42°F, on August 30, 1939. The wettest August brought 0.90 in (1976).
The August mean against the 1991-2020 normal of 68.7°F: 2021 69.5°F (+0.8), 2022 70.3°F (+1.6), 2023 71.5°F (+2.8), 2024 68.9°F (+0.2), 2025 70.1°F (+1.4), 2026 68.9°F (+0.2). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.5°F | +0.8°F | 0.00 in |
| 2022 | 70.3°F | +1.6°F | 0.00 in |
| 2023 | 71.5°F | +2.8°F | 0.00 in |
| 2024 | 68.9°F | +0.2°F | 0.00 in |
| 2025 | 70.1°F | +1.4°F | 0.00 in |
| 2026 | 68.9°F | +0.2°F | 0.00 in |
Source: records: ACIS, station USC00047339; recent months: ACIS, station USC00047339. Records and recent months use complete months only.
How does August in Redwood City 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; Redwood City's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Redwood City in July81°F by day, 57°F at night
- Redwood City in September79°F by day, 54°F at night
- Redwood City through the yearEvery month, frost dates, records and recent years
- California in AugustThe statewide normal and the warmest and coolest places
- Needles: California's warmest Augustnormal high 109°F