


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
754 CXUS56 KMTR 010829 CLMHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT FRI AUG 01 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER OBSERVED NORMAL LAST YEAR`S VALUE DATE(S) VALUE VALUE DATE(S) ......................................................... TEMPERATURE (F) RECORD HIGH 105 MM LOW 53 07/12/2012 07/08/2012 06/09/2012 HIGHEST 83 07/10 99 07/02 07/03 LOWEST 54 07/03 56 07/22 07/06 07/07 AVG. MAXIMUM 71.1 81.6 AVG. MINIMUM 57.1 60.8 MEAN 64.1 71.2 DAYS MAX >= 90 0 6 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS TR 0.00 0.00 DAILY AVG. T 0.00 DAYS >= .01 0 0 DAYS >= .10 0 0 DAYS >= .50 0 0 DEGREE DAYS HEATING TOTAL 33 4 SINCE 7/1 33 MM COOLING TOTAL 12 206 SINCE 1/1 77 MM ......................................................... WIND (MPH) AVERAGE WIND SPEED 9.2 RESULTANT WIND SPEED/DIRECTION 8/290 HIGHEST WIND SPEED/DIRECTION 22/290 DATE 07/08 22/290 07/20 22/300 07/25 HIGHEST GUST SPEED/DIRECTION 28/300 DATE 07/07 28/290 07/25 28/310 07/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.52 NUMBER OF DAYS FAIR 8 NUMBER OF DAYS PC 19 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 2 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 4 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$