West Covina, CA weather in August
West Covina is warm and dry in August: highs average 84°F and nights drop to about 65°F. Rain is rare. This is the peak of the warm season in West Covina.
- Normal high
- 84°F
- Normal low
- 65°F
- Wet days
- 0
- 0.0 in total
- Muggy days
- 3
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 83°F | 85°F |
| Normal low | 65°F | 65°F |
| Chance of a wet day | 1% | 1% |
| Sunrise / sunset | 6:03 am / 7:53 pm | 6:24 am / 7:19 pm |
| Daylight | 13.8 h | 12.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical August day
- 6 am67°Fdew point 62°F
- 9 am72°Fdew point 62°F
- Noon74°Fdew point 62°F
- 3 pm73°Fdew point 61°F
- 6 pm69°Fdew point 61°F
- 9 pm67°Fdew point 61°F
NOAA hourly normals (local standard time) from Los Angeles Intl Airport (27 mi away); average wind 8 mph; clear or few clouds in 94% of daytime hours, mostly cloudy or overcast in 5%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 31
- Hot dayshigh 90°F or more6 of 31
- Muggy daysdaily mean dew point 65°F or more3 of 31
- Wet daysat least 0.01 in of rain or melted snow0 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 0.0 in; a dry August brings about 0.0 in and a wet one about 0.0 in (25th and 75th percentiles). Days with half an inch or more are rare.
How August varies from year to year
- Warmest August, 1991-20201998: average high 91°F
- Coolest August2002: average high 81°F
- Wettest August2014: 0.07 in
- Driest August1991: no measurable precipitation
- Highest reading104°F (August 12, 1994)
- Lowest reading58°F (August 25, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 82°F | 84°F | 83°F |
| Normal low | 65°F | 65°F | 64°F |
| Wet days | 1 | 0 | 1 |
| Comfortable days | 9 | 5 | 7 |
| Daylight | 14.2 h | 13.4 h | 12.4 h |
Highs change by +2°F from July and -1°F into September.
Nearby alternatives in August
- Warmer: Pomona, CA11 mi · high 95°F · 0 wet days
- Cooler: Torrance, CA28 mi · high 77°F · 0 wet days
How West Covina ranks in August
- Normal high231st warmest of 378 cities; 38th of 60 in California
- Wet days17th driest of 378
- Comfortable days127th most of 341
Heating and cooling
August has 0 heating degree days and 301 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is West Covina in August?
The normal high is 84°F and the normal low is 65°F. From 1991 to 2020 the hottest August reading was 104°F (August 12, 1994).
Does it rain a lot in West Covina in August?
About 0 days in August have at least 0.01 in of precipitation, and the normal total is 0.00 in. The wettest August in 1991-2020 was in 2014 (0.07 in); the driest was in 1991, with no measurable precipitation.
Is August a good time to visit West Covina?
August ranks 12th of 12 months on our comfort score for West Covina (58 out of 100). It has about 5 comfortable days and about 6 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature: Los Angeles Downtown Usc Campus (USW00093134), 17 mi W of the city center, 230 ft (155 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Rain: San Gabriel Canyon PH (USC00047776), 6.2 mi NNE of the city center, 744 ft (359 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Covina City Yard Fc387b (USC00042090), 3.7 mi ENE of the city center, 607 ft (222 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: San Gabriel Fire Dept (USC00047785), 9.3 mi W of the city center, 363 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Los Angeles Intl Airport (USW00023174), 27 mi WSW of the city center, 97 ft (288 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Burbank Glendale Pasadena Airport (USW00023152), 26 mi WNW of the city center, 741 ft (356 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Long Beach / Daugherty Field / Airport (722970-23129), 21 mi SW of the city center, 33 ft (352 ft lower than the city). Hourly observations, 1991-2020.