Weather on November 21

San Mateo, CA

55 Years of Data

Avg High
61°F
Avg Low
48°F
Warmest
2001
62°F avg
Coldest
1979
45°F avg

About This Date

November 21st in San Mateo, CA typically brings mild fall weather, with average highs around 61°F and lows near 48°F. Over 55 years of records, the warmest November 21st was in 2001 (62°F average), while the coldest was 1979 (45°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 33% of November 21st dates historically, with the wettest November 21st recording 4.57" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for November 21st in San Mateo, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
202564°47°55°
202465°55°60°1.27"
202364°48°56°
202264°42°53°
202168°48°58°
202065°44°54°
201962°50°56°
201860°55°58°1.93"
201766°55°61°
201661°52°56°
201568°49°58°
201461°54°57°
201362°50°56°
201264°52°58°0.81"
201157°48°53°
201055°44°50°0.51"
200957°45°51°
200865°45°55°
200763°42°52°
200663°52°57°
200566°45°55°
200462°48°55°
200357°43°50°
200268°53°61°
2001warmest64°60°62°0.2"
200056°48°52°0.48"
199959°50°55°0.15"
199865°51°58°0.28"
199758°48°53°
199662°54°58°0.15"
199564°54°59°
199457°42°50°
199356°45°50°0.13"
199260°47°53°0.13"
199163°48°55°
199058°48°53°0.2"
198959°48°54°
198858°44°51°0.03"
198760°47°53°
198663°51°57°
198553°42°48°
198457°42°50°
198359°40°49°
198255°39°47°
198162°58°60°0.97"
198060°43°51°0.08"
1979coldest55°36°45°
197859°50°55°0.89"
197756°47°51°4.57"
197660°53°57°
197560°35°48°
197463°55°59°0.71"
197355°41°48°
197258°45°51°
197161°39°50°
55 years of data from BURLINGAME

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.