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Weather in San Mateo, California for July 2025

Your guide to San Mateo weather in July - trends and predictions

    Temperatures

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

  • In general, the average temperature in San Mateo at the beginning of July is 19.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.4 °F by the end of July.

  • Rain 🌧️

  • Precipitation in San Mateo during July is a rare event, with an average of fewer than 2 rainy days.

  • More

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Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/13°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
76 %
Avg humidity

San Mateo Weather July

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Temperatures trend during July in San Mateo

See the weather trend as well as the moving average line

July weather in San Mateo day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Jul. 1 Overcast
Overcast
20° /12° 0 mm 5
Jul. 2 Overcast
Overcast
25° /13° 0 mm 6
Jul. 3 Overcast
Overcast
18° /12° 0 mm 2.4
Jul. 4 Overcast
Overcast
17° /11° 0 mm 2.5
Jul. 5 Mist
Mist
16° /10° 0 mm 2.7
Jul. 6 Partly cloudy
Partly cloudy
19° /12° 0.1 mm 2.5
Jul. 7 Sunny
Sunny
20° /11° 0.1 mm 0
Jul. 8 Sunny
Sunny
21° /12° 0 mm 5
Jul. 9 Sunny
Sunny
24° /12° 0 mm 5
Jul. 10 Sunny
Sunny
22° /12° 0 mm 5
Jul. 11 Sunny
Sunny
22° /12° 0 mm 5
Jul. 12 Sunny
Sunny
21° /12° 0 mm 5
Jul. 13 Sunny
Sunny
20° /11° 0 mm 4
Jul. 14 Sunny
Sunny
21° /12° 0 mm 5
Jul. 15 Sunny
Sunny
21° /12° 0 mm 5
Jul. 16 Sunny
Sunny
20° /12° 0 mm 5
Jul. 17 Sunny
Sunny
19° /12° 0 mm 5
Jul. 18 Partly cloudy
Partly cloudy
20° /13° 0 mm 6
Jul. 19 Sunny
Sunny
22° /13° 0 mm 6
Jul. 20 Overcast
Overcast
19° /14° 0 mm 4
Jul. 21 Overcast
Overcast
18° /13° 0 mm 4
Jul. 22 Overcast
Overcast
21° /13° 0 mm 5
Jul. 23 Cloudy
Cloudy
24° /15° 0 mm 5
Jul. 24 Cloudy
Cloudy
24° /16° 0 mm 5
Jul. 25 Sunny
Sunny
21° /13° 0 mm 6
Jul. 26 Overcast
Overcast
18° /12° 0 mm 4
Jul. 27 Patchy rain possible
Patchy rain possible
16° /13° 0.6 mm 4
Jul. 28 Cloudy
Cloudy
17° /13° 0 mm 4
Jul. 29 Cloudy
Cloudy
18° /13° 0 mm 4
Jul. 30 Patchy rain possible
Patchy rain possible
19° /15° 0.1 mm 4
Jul. 31 Patchy rain possible
Patchy rain possible
20° /13° 0.2 mm 5
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Important Notice
Our weather forecast for San Mateo in July 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 San Mateo forecast closer to your planned date for the most up-to-date weather information.

San Mateo in July - FAQ

What are the expected maximum and minimum temperatures in San Mateo during July?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Mateo during July?
Rainfall in San Mateo during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 San Mateo during July?
The average wind speed in San Mateo during July is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in San Mateo

Explore the daily rainfall trends and prepare for San Mateos July weather 💧

UV exposure in San Mateo during July

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

Quick links

More San Mateo weather pages
Location coordinates Where is San Mateo?

Get accurate weather forecasts for San Mateo, located at latitude 37.563 and longitude -122.326. Stay updated with localized weather information tailored for San Mateo.

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