Weather on November 21

San Jose, CA

55 Years of Data

Avg High
63°F
Avg Low
46°F
Warmest
2024
66°F avg
Coldest
1985
44°F avg

About This Date

November 21st in San Jose, CA typically brings mild fall weather, with average highs around 63°F and lows near 46°F. Over 55 years of records, the warmest November 21st was in 2024 (66°F average), while the coldest was 1985 (44°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 27% of November 21st dates historically, with the wettest November 21st recording 2.03" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

Planning for November 21st in San Jose, CA? Great weather for outdoor activities.

Warming Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
202565°46°55°
2024warmest69°63°66°
202368°44°56°
202267°39°53°
202170°42°56°
202064°38°51°
201966°45°55°
201866°52°59°0.53"
201776°53°64°
201663°49°56°
201570°47°58°
201463°47°55°
201362°50°56°0.03"
201266°48°57°0.51"
201161°41°51°
201055°44°50°0.43"
200957°40°48°
200868°49°58°
200765°41°53°
200667°51°59°
200571°44°58°
200462°44°53°
200358°39°48°
200269°51°60°
200167°58°62°0.03"
200056°42°49°0.15"
199958°45°51°0.15"
199869°44°57°0.13"
199761°45°53°
199665°56°60°0.18"
199571°54°62°
199457°49°53°
199362°42°52°
199265°44°54°
199163°52°57°
199062°46°54°0.08"
198958°44°51°
198862°43°52°
198759°47°53°0.74"
198664°51°58°0.03"
1985coldest52°37°44°
198455°42°49°
198356°37°46°
198264°56°60°
198167°56°61°
198064°40°52°
197960°34°47°
197859°50°55°2.03"
197759°49°54°0.05"
197660°52°56°
197558°35°46°
197460°52°56°0.51"
197355°39°47°
197257°42°50°
197160°38°49°
55 years of data from SAN JOSE

Browse Weather History

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

November 21st Weather in San Jose, CA - 55 Years of History