Weather on December 13

San Bernardino, CA

55 Years of Data

Avg High
65°F
Avg Low
41°F
Warmest
2025
65°F avg
Coldest
1972
44°F avg

About This Date

December 13th in San Bernardino, CA typically brings mild winter weather, with average highs around 65°F and lows near 41°F. Over 47 years of records, the warmest December 13th was in 2025 (65°F average), while the coldest was 1972 (44°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 19% of December 13th dates historically, with the wettest December 13th recording 4.52" of rain.

Planning for December 13th in San Bernardino, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest82°47°65°
201666°47°56°
201559°41°50°
201460°45°52°0.18"
201362°38°50°
201251°48°50°4.52"
201160°39°50°0.05"
201081°46°63°
200959°48°54°0.97"
200858°46°52°
200765°34°49°
200677°43°60°
200565°38°51°
200477°44°61°
200363°37°50°
200266°52°59°
200164°34°49°
200059°37°48°0.03"
199965°37°51°
199878°44°61°
199768°34°51°
199666°46°56°
199567°53°60°0.91"
199457°45°51°0.3"
199366°37°52°
199260°42°51°
199169°39°54°
199056°48°52°
198964°36°50°
198877°46°62°
198750°41°46°
198668°38°53°
198562°30°46°
198456°42°49°
198367°42°54°
198263°42°52°
198161°50°55°
198074°39°56°
197976°37°56°
197876°38°57°
197780°41°61°
197681°39°60°
197552°42°47°0.05"
197471°39°55°
197355°39°47°
1972coldest55°32°44°
197155°40°47°0.66"
47 years of data from NORTON AFB

Browse Weather History

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