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Santa Clarita, CA Weather on May 15

May 15th in Santa Clarita, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 52 years of records, the warmest May 15th was in 2014 (85°F average), while the coldest was 2011 (52°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
79°F
Avg Low
51°F
Record High
104°F
2014
Record Low
36°F
1984
Santa Clarita, CA on May 15 — Temperature History20°F40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on May 15

Planning for May 15th in Santa Clarita, CA? Great weather for outdoor activities.

May 15 Weather Records for Santa Clarita

  • The all-time record high for May 15th in Santa Clarita, CA is 104°F, set in 2014.
  • The coldest May 15th on record dropped to 36°F in 1984.
  • Temperatures have reached 90°F or higher on May 15th in 9 of the last 52 years.

Frequently Asked Questions

What was the warmest May 15 ever in Santa Clarita?

The warmest May 15 in Santa Clarita, CA reached 104°F in 2014. That is 25°F above the long-term average high of 79°F.

What was the coldest May 15 ever in Santa Clarita?

The coldest May 15 in Santa Clarita, CA dropped to 36°F in 1984. That is 15°F below the long-term average low of 51°F.

What is the average temperature on May 15 in Santa Clarita?

On May 15, Santa Clarita averages a high of 79°F and a low of 51°F based on 52 years of NOAA weather observations from SAUGUS CALIFORNIA.

How many years of weather data are available for May 15 in Santa Clarita?

We have 52 years of weather records for May 15 in Santa Clarita, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

May 15 Weather History in Santa Clarita

YearHighLowPrecipSnow
202578°F50°F----
202470°F52°F----
202385°F55°F----
202288°F61°F----
202168°F54°F----
202083°F57°F----
201968°F54°F----
201873°F50°F----
201758°F49°F----
201671°F55°F----
201564°F47°F----
2014104°F67°F----
201379°F55°F----
201289°F50°F----
201161°F44°F----
201086°F51°F----
200994°F62°F----
200899°F63°F----
200779°F50°F----
200682°F55°F----
200590°F59°F----
200487°F61°F----
200375°F46°F0"--
200275°F51°F----
200183°F52°F----
200070°F47°F----
199974°F45°F----
199872°F44°F----
199798°F59°F----
199677°F59°F----
199564°F48°F----
199471°F53°F0"--
199384°F54°F0"--
199281°F53°F0"--
199189°F46°F0"--
199075°F47°F0"--
198963°F50°F0"--
198892°F45°F----
198791°F51°F0"--
198665°F45°F0"--
198589°F42°F0"--
198482°F36°F0"--
198380°F42°F0"--
198278°F40°F0"--
198178°F42°F0"--
197886°F50°F0"--
197762°F44°F0"--
197697°F49°F0"--
197593°F45°F0"--
197475°F50°F0"--
197376°F50°F0"--
197177°F46°F0"--

Based on 52 years of data from NOAA station: SAUGUS CALIFORNIA

Monthly Climate Averages

Historical temperature and precipitation averages for Santa Clarita, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 94°F / Low: 60°F
Coldest MonthDecemberAvg High: 64°F / Low: 41°F
Jan
64°/ 41°
💧 14.0"
Feb
66°/ 42°
💧 16.1"
❄️ 1.8"
Mar
69°/ 43°
💧 13.7"
❄️ 0.3"
Apr
74°/ 46°
💧 6.1"
May
79°/ 50°
💧 5.0"
Jun
87°/ 54°
💧 3.3"
Jul
94°/ 60°
💧 1.3"
Aug
94°/ 60°
💧 10.3"
Sep
90°/ 57°
💧 6.6"
Oct
81°/ 52°
💧 5.1"
Nov
72°/ 45°
💧 10.5"
Dec
64°/ 41°
💧 12.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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