Weather on December 1

Hayward, CA

55 Years of Data

Avg High
61°F
Avg Low
45°F
Warmest
1994
64°F avg
Coldest
2004
46°F avg

About This Date

December 1st in Hayward, CA typically brings mild winter weather, with average highs around 61°F and lows near 45°F. Over 53 years of records, the warmest December 1st was in 1994 (64°F average), while the coldest was 2004 (46°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 26% of December 1st dates historically, with the wettest December 1st recording 4.32" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

Planning for December 1st in Hayward, CA? Great weather for outdoor activities.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202555°41°48°
202467°49°58°
202361°43°52°
202252°1.3"
202169°49°59°
202064°42°53°
201958°54°56°0.23"
201860°46°53°0.51"
201760°44°52°
201660°40°50°
201557°41°49°
201471°54°62°
201367°44°55°
201266°58°62°0.38"
201168°54°61°
201055°39°47°
200962°41°52°
200857°45°51°
200754°38°46°
200658°38°48°
200562°51°57°1.45"
2004coldest55°37°46°
200360°50°55°0.28"
200262°48°55°
200155°50°53°0.51"
200057°43°50°
199958°46°52°
199858°44°51°0.03"
199760°45°52°
199658°47°52°
199559°51°55°
1994warmest68°59°64°
199359°45°52°
199265°49°57°
198964°46°55°
198866°47°56°
198755°51°53°1.3"
198660°48°54°
198556°43°49°
198460°42°51°
198358°48°53°0.13"
198254°43°48°0.38"
198158°43°50°
198063°40°51°0.13"
197966°45°55°
197857°48°53°1.02"
197773°49°61°
197668°36°52°
197557°37°47°
197460°41°51°
197360°42°51°4.32"
197264°36°50°
197160°37°49°
53 years of data from HAYWARD AIR TERMINAL

Browse Weather History

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