November 2013 - Belmont, CA Weather

By: BelmontJeff, 5:13 PM GMT on December 01, 2013

NOVEMBER brought the first cloudy days since way back in July, occurring during the only measurable precipitation event of the month. 8 days of AM Fog were observed, all occurring 8th-21st (2 of these were Heavy).


Avg Max: 69.3°F
Avg Min: 50.0°F
Mean: 59.7°F

Though the month's Max. Temp. of 79.5° occurred on the 1st, many days in the 70's occurred throughout the month (a total of 14 days w...

Updated: 5:18 PM GMT on December 01, 2013

October 2013 - Belmont, CA

By: BelmontJeff, 7:39 PM GMT on November 02, 2013

OCTOBER was a pleasant month, with 18 Clear days, 0 Cloudy days, and mild weather, for the most part, until near month's end. Only 2 days of AM Fog were observed 1st-18th (1 of these Heavy, Visibility <1/16 Mile); 10 more days w/ Fog occurred 19th-29th (3 being Heavy), except for the 25th.


Avg Max: 75.1°
Avg Min: 52.1°
Mean: 63.6°

Due to the many clear periods, the disparity between the Aver...

Updated: 5:04 PM GMT on December 04, 2013

Sept. 2013 Weather - Belmont, CA

By: BelmontJeff, 2:56 AM GMT on October 17, 2013

SEPTEMBER was a beautiful month, with 22 Clear days, 0 Cloudy days, and only 6 days with A.M. Fog (1 of these with Visibility ≤1/4 Mile).

TEMPERATURE: September is now the warmest month of this Calendar Year for both the Max. and Min. Temps. The Avg. Max. Temp. of 79.2° was 3.9° above June, now the 2nd warmest; the Avg. Min. Temp. of 57.5° was 1.4° warmer than August, the previous warmest.

The Avg. Max. T...

Updated: 3:03 AM GMT on October 17, 2013

August 2013 Weather - Belmont, CA

By: BelmontJeff, 4:08 PM GMT on September 01, 2013

Temperature: August saw a very cool start, with the first 9 days not reaching 70° for Maximums. The 73.1° reading on the 10th ended a 14-day streak of Maxs. ≤70°, dating back to July 27th. The Avg. Max. Temp. for the first 9 days was 68.1°; from the 10th to the 31st the Average Max. was 78.1°. The month's extreme Max. Temp. of 94.4° (18th) was the first ≥90° Temp. since June 29th, a string of 49 days, and the only August value ≥90°. The month's Avg. ...

Updated: 6:41 PM GMT on September 04, 2013

July 2013 Wrap-Up - Belmont, CA

By: BelmontJeff, 3:07 AM GMT on August 02, 2013

Temperature: The first 4 days of July recorded Max. Temps. >80°, followed by only 1 more occurrence the 5th-22nd. The month's highest Temp. of 89.7° occurred on the 3rd; it is fairly unusual not to reach 90 degrees in July. The month's coolest Max. Temp. of 64.1° waited until the 28th and was held down by that day's strong, steady onshore coastal wind under sunny skies. The Average Max. Temp. was 74.0°, 1.3° below June's 75.3° average.


Updated: 4:16 AM GMT on August 02, 2013

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About BelmontJeff

I live in the San Francisco Bay Area and have always had a fascination with weather, its extremes, and stats. I'm also in CoCoRaHS: Belmont 0.7 WSW.

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