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Weather on December 29

Hayward, CA

55 Years of Data

Avg High
57°F
Avg Low
43°F
Warmest
2023
61°F avg
Coldest
1988
39°F avg

About This Date

December 29th in Hayward, CA typically brings cool winter weather, with average highs around 57°F and lows near 43°F. Over 53 years of records, the warmest December 29th was in 2023 (61°F average), while the coldest was 1988 (39°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 29th dates historically, with the wettest December 29th recording 4.06" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

Planning for December 29th in Hayward, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
202564°40°52°
202462°52°57°0.71"
2023warmest67°56°61°2.26"
202257°49°53°1.14"
202153°45°49°1.04"
202060°40°50°
201956°44°50°0.69"
201859°39°49°
201760°41°51°
201663°38°50°
201553°34°43°
201455°42°49°
201370°36°53°
201256°40°48°0.08"
201157°45°51°
201056°43°49°0.13"
200955°38°46°0.1"
200859°43°51°
200754°44°49°0.15"
200656°35°45°
200556°46°51°0.03"
200456°47°51°1.3"
200352°49°50°4.06"
200256°46°51°0.41"
200158°50°54°1.75"
200057°38°47°
199960°40°50°
199854°39°46°
199758°51°54°
199656°53°54°
199560°55°58°
199462°52°57°
199356°48°52°
199247°40°43°
198958°38°48°
1988coldest46°32°39°
198753°40°46°0.58"
198654°40°47°
198548°32°40°
198453°35°44°
198358°48°53°
198258°42°50°
198155°40°47°0.43"
198063°46°54°
197950°40°45°
197855°36°45°
197761°51°56°0.61"
197666°44°55°
197570°41°55°
197450°32°41°0.05"
197360°49°54°1.32"
197253°33°43°
197152°38°45°0.13"
53 years of data from HAYWARD AIR TERMINAL

Hayward, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Hayward, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"4.6"9.2"JFMAMJJASOND4.5"0"
Rain (in) Snow (in)

Hayward, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Hayward, CA

Most pleasant months in Hayward, CA: August.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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