As of 08:55 PDT

Santa Ana, CA weather in May

76°

Santa Ana, Sunday, 9 August, 08:55

Mostly clear. Feels like 77°. High 96°, low 73°.

Pressure29.88 inHg

Wind5 mph SW

Humidity80%

Visibility6.2 mi

Dew point69°

See detailed hourly forecast

In May, Santa Ana, CA averages a high of 70.3° and a low of 55.9°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 101.3° (2025) and the record low 46.4° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	69.6°	54.3°	5%	88.2° (2014)	46.4° (1967)
2	70.5°	54.7°	3%	88.2° (2004)	47.3° (1971)
3	70.7°	55°	3%	89.6° (2004)	48.4° (1967)
4	69.6°	55.4°	10%	91.2° (2018)	50° (1967)
5	68.7°	55°	7%	93° (2018)	49.1° (1999)
6	68.9°	55°	17%	91.9° (2020)	47.8° (1967)
7	69.6°	54.9°	10%	91° (2020)	47.3° (1964)
8	69.6°	55°	5%	86.4° (2007)	47.3° (2017)
9	69.8°	55.4°	3%	95.2° (2025)	49.3° (1979)
10	69.6°	55.4°	5%	101.3° (2025)	49.1° (2003)
11	70°	55°	0%	91.2° (2025)	47.8° (2022)
12	71.1°	55°	3%	86.7° (1979)	48.9° (1970)
13	71.4°	55.9°	5%	91° (2014)	48.9° (1998)
14	71.2°	55.9°	2%	93.2° (2022)	50.5° (1961)
15	70.3°	55.8°	5%	93.6° (2014)	49.6° (1998)
16	70.3°	55.9°	3%	87.3° (1967)	50.7° (1968)
17	71.1°	56.1°	3%	84.4° (2008)	49.8° (1962)
18	70.7°	56.1°	3%	83.1° (1986)	49.3° (1977)
19	70.9°	55.9°	3%	88.3° (2017)	49.6° (1991)
20	70.3°	56.5°	8%	94.6° (2017)	48.2° (1972)
21	70.5°	56.5°	3%	89.6° (2017)	51.1° (1962)
22	70.2°	56.1°	7%	82.4° (2025)	50° (1975)
23	69.6°	56.3°	5%	79.9° (2017)	51.1° (2021)
24	70°	56.3°	3%	90.5° (2021)	50.4° (1980)
25	69.6°	56.7°	0%	85.6° (2021)	49.3° (1980)
26	69.8°	56.5°	2%	84.6° (2020)	51.8° (1972)
27	70.5°	56.3°	2%	85.1° (1997)	51.4° (1971)
28	71.4°	56.8°	3%	85.8° (1984)	50.5° (2019)
29	71.6°	57.2°	2%	91.4° (1984)	51.4° (1964)
30	71.8°	57°	2%	92.5° (2025)	50.9° (2011)
31	71.4°	57.2°	2%	85.3° (2025)	51.8° (1966)