Santa Rosa,CA Weather Almanac 38.4 N - 122.8 W - 108 ft Almanac Data for: 08/02/25 00:17:10 Sunrise: 06:15 - Midday: 13:18 - Sunset: 20:21 - Day Length: 14:06 Civil Twilight: 05:46 - 20:50   Astronomical Twilight: 04:32 - 22:04 Moonrise: 15:17 - Moonset: 00:12

Temperature   Dew Point   Humidity Current: 55.4 F Hour Average: 55.7 F Hour Change: -2.0 F Day Average: 55.7 F Day Change: -0.2 F Day High: 56.0 F  at   00:00 Day Low: 55.4 F  at   00:16 Week Average: 61.3 F Week Change: -1.2 F Month Average: 63.8 F Month High: 83.1 F on  08/01/25 Month Low: 53.8 F on  08/01/25 Year Average: 56.2 F Year High: 92.7 F on  05/30/25 Year Low: 30.3 F on  01/22/25 All Time Average: 57.2 F All Time High: 113.3 F on  09/06/22 All Time Low: 0.0 F on  01/25/18   Current: -100000.0 F Hour Average: 0.0 F Hour Change: 0.0 F Day Average: 0.0 F Day Change: 0.0 F Day High: -1000000.0 F  at   ----- Day Low: 1000000.0 F  at   ----- Week Average: 42.0 F Week Change: 0.0 F Month Average: 48.7 F Month High: 60.7 F on  08/01/25 Month Low: -39.4 F on  08/01/25 Year Average: 36.0 F Year High: 66.7 F on  05/30/25 Year Low: -58.6 F on  01/21/25 All Time Average: 45.8 F All Time High: 68.7 F on  08/22/19 All Time Low: -58.6 F on  01/21/25   Current: 0 % Hour Average: 0 % Hour Change: 0 % Day Average: 0 % Day Change: 0 % Day High: 0 %  at   00:00 Day Low: 0 %  at   00:00 Week Average: 16 % Week Change: 0 % Month Average: 17 % Month High: 53 % on  08/01/25 Month Low: 0 % on  08/01/25 Year Average: 21 % Year High: 62 % on  01/08/25 Year Low: 0 % on  01/01/25 All Time Average: 65 % All Time High: 100 % on  08/31/10 All Time Low: 0 % on  09/08/17

Wind Chill   Heat Index   Wind Run Current: 55.4 F Day Low: 55.4 F  at   00:16 Month Low: 53.8 F on  08/01/25 Year Low: 28.2 F on  01/21/25 All Time Low: -24.5 F on  02/12/18   Current: 55.4 F Day High: 56.0 F  at   00:00 Month High: 83.3 F on  08/01/25 Year High: 95.9 F on  05/30/25 All Time High: 116.3 F on  09/06/22   Hour: 0.0 miles Day: 0.0 miles Week: 230.0 miles Month: 71.0 miles Year: 7144.0 miles

Wind   Barometer   Rain Current Direction: 65 degrees Hour Dom Direction: 72 degrees Hour Direction Change: 0 degrees Day Dom Direction: 72 degrees Day Direction Change: 0 degrees Week Dom Direction: 108 degrees Week Direction Change: -47 degrees Month Dom Direction: 87 degrees Year Dom Direction: 54 degrees All Time Direction: 324 degrees Current Speed: 0.0 mph Hour Avg Speed: 0.1 mph Hour Speed Change: 0.0 mph Day Avg Speed: 0.1 mph Day Speed Change: 0.0 mph Day High Speed: 3.0 mph  at   00:06 Week Avg Speed: 1.6 mph Week Speed Change: -1.0 mph Month Avg Speed: 1.5 mph Month High Speed: 16.0 mph on  08/01/25 Year Avg Speed: 1.4 mph Year High Speed: 33.0 mph on  03/12/25 All Time Avg Speed: 2.0 mph All Time High Speed: 45.0 mph on  03/19/11   Current: 30.087 in Hour Average: 30.087 in Hour Change: 0.003 in Day Average: 30.087 in Day Change: 0.083 in Day High: 30.089 in  at   00:06 Day Low: 30.086 in  at   00:00 Week Average: 29.969 in Week Change: 0.124 in Month Average: 30.035 in Month High: 30.089 in on  08/02/25 Month Low: 29.997 in on  08/01/25 Year Average: 30.024 in Year High: 30.566 in on  01/21/25 Year Low: 29.416 in on  02/13/25 All Time Average: 30.003 in All Time High: 30.611 in on  12/23/11 All Time Low: 0.000 in on  01/23/17   Rate: 0.00 in/hr Day: 0.00 in Storm: 0.00 in Storm Start: -------- ----- Day High Rate: 0.00 in/hr  at   ----- Month: 0.00 in Month High Rate: 0.00 in/hr on  08/01/25 Year (JAN): 12.42 in Year High Rate: 0.63 in/hr on  03/12/25 All Time High Rate: 82.29 in/hr on  12/30/11

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