Weather on May 17

El Cajon, CA

55 Years of Data

Avg High
76°F
Avg Low
56°F
Warmest
2008
79°F avg
Coldest
1994
59°F avg

About This Date

May 17th in El Cajon, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 56°F. Over 55 years of records, the warmest May 17th was in 2008 (79°F average), while the coldest was 1994 (59°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 17th dates historically. The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.

The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.

Planning for May 17th in El Cajon, CA? Great weather for outdoor activities.

Cooling Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202566°56°61°0.28"
202474°57°65°0.08"
202372°57°64°
202270°58°64°
202167°56°61°0.03"
202076°58°67°
201969°53°61°
201868°55°62°
201769°56°62°
201667°60°63°
201572°54°63°
201484°59°72°
201372°58°65°
201276°58°67°
201164°53°59°0.25"
201068°54°61°
200984°56°70°
2008warmest98°61°79°
200767°55°61°
200678°63°70°
200575°57°66°
200487°58°72°
200380°56°68°
200278°57°68°
200177°56°66°
200074°49°61°
199980°50°65°
199879°49°64°
199784°62°73°
199682°64°73°
199571°51°61°
1994coldest67°52°59°
199380°62°71°
199278°62°70°
199176°52°64°
199077°51°64°
198971°57°64°
198869°58°63°
198776°62°69°
198688°55°71°
198571°56°63°
198478°52°65°
198389°51°70°
198289°56°72°
198183°48°65°
198077°56°66°
197975°56°65°
197889°48°69°
197769°54°61°
197679°55°67°
197573°57°65°
197467°53°60°
197378°55°67°
197272°57°64°
197180°55°68°
55 years of data from GILLESPIE FLD

Browse Weather History

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