Monterey, CA weather in August
Expect mild, dry weather in Monterey in August, with highs near 69°F and lows near 54°F. Rain falls on about 2 days. Great for outdoor plans.
- Normal high
- 69°F
- Normal low
- 54°F
- Wet days
- 2
- 0.06 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 68°F | 70°F |
| Normal low | 54°F | 54°F |
| Chance of a wet day | 10% | 6% |
| Sunrise / sunset | 6:13 am / 8:14 pm | 6:38 am / 7:37 pm |
| Daylight | 14.0 h | 13.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F20 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph2 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow2 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 0.06 in; a dry August brings about 0.01 in and a wet one about 0.08 in (25th and 75th percentiles). Days with half an inch or more are rare.
How August varies from year to year
- Warmest August, 1991-20202015: average high 74°F
- Coolest August2011: average high 63°F
- Wettest August1991: 0.3 in
- Driest August2006: no measurable precipitation
- Highest reading96°F (August 24, 2010)
- Lowest reading48°F (August 6, 2018)
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 | 67°F | 69°F | 71°F |
| Normal low | 53°F | 54°F | 53°F |
| Wet days | 3 | 2 | 2 |
| Comfortable days | 19 | 20 | 20 |
| Daylight | 14.4 h | 13.5 h | 12.4 h |
Highs change by +2°F from July and +2°F into September.
Nearby alternatives in August
- Warmer: San Jose, CA51 mi · high 81°F · 0 wet days
How Monterey ranks in August
- Normal high367th warmest of 378 cities; 59th of 60 in California
- Wet days65th driest of 378
- Comfortable days17th most of 341
Heating and cooling
August has 130 heating degree days and 11 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How cold is Monterey in August?
The normal high is 69°F and the normal low is 54°F. From 1991 to 2020 the coldest August reading was 48°F (most recently on August 6, 2018).
Does it rain a lot in Monterey in August?
About 2 days in August have at least 0.01 in of precipitation, and the normal total is 0.06 in. The wettest August in 1991-2020 was in 1991 (0.3 in); the driest was in 2006, with no measurable precipitation.
Is August a good time to visit Monterey?
August ranks 2nd of 12 months on our comfort score for Monterey (82 out of 100). It has about 20 comfortable days. The best months are July and August.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Monterey (USC00045795), 0.9 mi SW of the city center, 260 ft (241 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: N Y. Mineta Sn Jo Intl Apt (724945-23293), 53 mi N of the city center, 49 ft . Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).