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Weather in Monterey, California for August 2025

Your guide to Monterey weather in August - trends and predictions

    Official Weather Alert ⚠️

  • Heat Advisory - See hour by hour.

    • Temperatures

  • Until now, August 2025 in Monterey has been nearly identical to the historical average, with a temperature of 15.8 °F (showing only a slight deviation of -0.4 °F).

  • The forecast for the next days in Monterey predicts temperatures to be around 20 °F, close to the historical average.

  • In general, the average temperature in Monterey at the beginning of August is 15.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.4 °F by the end of August.

    • Rain 🌧️

  • With an average of 2 rainy days, Monterey experiences minimal rainfall in August.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Monterey Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
16°
2
Mist
16°
3
Fog
15°
4
Fog
14°
5
Fog
14°
6
Fog
16°
7
Mist
16°
8
Mist
16°
9
Fog
17°
10
Fog
17°
11
Partly cloudy
17°
12
Mist
16°
13
Mist
16°
14
Fog
16°
15
Fog
16°
16
Light rain
16°
17
Fog
15°
18
Mist
16°
19
Sunny
17°
20
Sunny
21°
21
Sunny
18°
22
Patchy rain possible
18°
23
Weather Alert Partly cloudy
18°
24
Mist
18°
25
Partly cloudy
17°
26
Sunny
21°
27
Sunny
21°
28
Sunny
21°
29
Sunny
21°
30
Sunny
21°
31
Sunny
21°

Temperatures trend during August in Monterey

See the weather trend as well as the moving average line

August weather in Monterey day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Fog
Fog
 16° /13° 0 mm 4
Aug. 2 Mist
Mist
 16° /12° 0 mm 4
Aug. 3 Fog
Fog
 15° /12° 0 mm 4
Aug. 4 Fog
Fog
 14° /12° 0 mm 3
Aug. 5 Fog
Fog
 14° /11° 0 mm 3
Aug. 6 Fog
Fog
 16° /11° 0 mm 4
Aug. 7 Mist
Mist
 16° /12° 0 mm 4
Aug. 8 Mist
Mist
 16° /12° 0 mm 4
Aug. 9 Fog
Fog
 17° /13° 0 mm 4
Aug. 10 Fog
Fog
 17° /13° 0 mm 4
Aug. 11 Partly cloudy
Partly cloudy
 17° /12° 0 mm 5
Aug. 12 Mist
Mist
 16° /12° 0 mm 4
Aug. 13 Mist
Mist
 16° /12° 0 mm 4
Aug. 14 Fog
Fog
 16° /13° 0 mm 4
Aug. 15 Fog
Fog
 16° /12° 0 mm 4
Aug. 16 Light rain
Light rain
 16° /14° 6.5 mm 4
Aug. 17 Fog
Fog
 15° /12° 0 mm 4
Aug. 18 Mist
Mist
 16° /12° 0 mm 4
Aug. 19 Sunny
Sunny
 17° /11° 0 mm 4
Aug. 20 Sunny
Sunny
 21° /12° 0 mm 6
Aug. 21 Sunny
Sunny
 18° /12° 0 mm 5
Aug. 22 Patchy rain possible
Patchy rain possible
 18° /13° 0.6 mm 4
Aug. 23 Partly cloudy
Partly cloudy
 18° /14° 0 mm 2.3
Aug. 24 Mist
Mist
 18° /14° 0 mm 2.4
Aug. 25 Partly cloudy
Partly cloudy
 17° /14° 0 mm 2.3
Aug. 26 Sunny
Sunny
 21° /13° 0 mm 2.1
Aug. 27 Sunny
Sunny
 21° /13° 0 mm 0
Aug. 28 Sunny
Sunny
 21° /12° 0 mm 5
Aug. 29 Sunny
Sunny
 21° /12° 0 mm 5
Aug. 30 Sunny
Sunny
 21° /13° 0 mm 5
Aug. 31 Sunny
Sunny
 21° /13° 0 mm 5
Next
Important Notice
Our weather forecast for Monterey in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Monterey forecast closer to your planned date for the most up-to-date weather information.
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Monterey in August - FAQ

What are the expected maximum and minimum temperatures in Monterey during August?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Monterey during August?
Rainfall in Monterey during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Monterey during August?
The average wind speed in Monterey during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Monterey

Explore the daily rainfall trends and prepare for Montereys August weather 💧

UV exposure in Monterey during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Monterey?

Get accurate weather forecasts for Monterey, located at latitude 36.6 and longitude -121.895. Stay updated with localized weather information tailored for Monterey.

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