Weather on December 18

Yuma, AZ

55 Years of Data

Avg High
69°F
Avg Low
44°F
Warmest
2025
65°F avg
Coldest
2008
44°F avg

About This Date

December 18th in Yuma, AZ typically brings mild winter weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 55 years of records, the warmest December 18th was in 2025 (65°F average), while the coldest was 2008 (44°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 18th dates historically, with the wettest December 18th recording 0.58" 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 December 18th in Yuma, AZ? Great weather for outdoor activities.

Cooling Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest80°50°65°
202474°46°60°
202379°50°64°
202263°40°51°
202167°45°56°
202062°38°50°
201962°43°52°
201869°35°52°
201770°49°59°
201660°42°51°
201569°42°56°
201464°45°54°0.08"
201377°51°64°
201268°50°59°0.05"
201166°0.1"
201071°53°62°
200971°48°60°
2008coldest53°35°44°0.58"
200770°41°55°
200664°35°50°
200562°42°52°
200475°44°60°
200372°48°60°
200265°36°50°
200168°41°55°
200074°51°62°
199976°44°60°
199878°46°62°
199770°41°55°
199662°37°50°
199570°39°54°
199476°42°59°
199368°46°57°
199258°42°50°0.13"
199167°53°60°0.05"
199068°34°51°
198968°41°55°
198867°44°55°
198762°49°55°0.03"
198673°45°59°
198574°46°60°
198468°40°54°
198373°46°60°
198270°45°57°
198177°50°64°
198081°46°63°
197980°47°63°
197866°51°59°0.13"
197772°46°59°
197670°47°58°
197569°41°55°
197471°46°59°
197372°45°58°
197268°46°57°
197162°42°52°
55 years of data from YUMA QUARTERMASTER DEPOT

Browse Weather History

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