Santa Barbara Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Santa Barbara, California during each month of the year.

The average high and low temperatures are listed below for Santa Barbara, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F monthly and annually in Santa Barbara, scroll down farther. There are also counts of nights with warm temperatures and days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Santa Barbara, 2010 to 2019
High °F Low °F   High °C Low °C
67 47 January 19 8
67 47 February 20 8
70 50 March 21 10
73 52 April 23 11
73 54 May 23 12
73 58 June 23 14
77 61 July 25 16
78 61 August 26 16
80 61 September 27 16
78 57 October 25 14
71 51 November 22 11
65 47 December 18 8
72 54 Year 22 12
30-year temperature averages for Santa Barbara, 1991 to 2020
High °F Low °F   High °C Low °C
67 47 January 19 8
67 47 February 19 9
68 49 March 20 10
71 51 April 22 11
72 54 May 22 12
73 57 June 23 14
76 60 July 25 16
78 60 August 25 16
78 60 September 25 15
76 56 October 24 13
71 50 November 22 10
66 46 December 19 8
72 53 Year 22 12

Days of Hot Weather in Santa Barbara

Santa Barbara rarely suffers from extremely hot weather. Temperatures above 100 °F (38 °C) occur just once every three years on average. Plus the city typically sees only five days a year when temperatures reach into the 90s (32 °C).

Days per month in Santa Barbara of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 8 1 0
February 7 2 0
March 10 2 0
April 15 3 1
May 16 3 1
June 20 2 0
July 29 6 0
August 30 8 1
September 27 9 1
October 23 7 2
November 14 3 0
December 6 0 0
Year 205 46 5

Warm Nights in Santa Barbara

Just like the days, the nights at Santa Barbara are never exceptionally hot. Even in the most extreme weather, nights here cool down to less than 70 °F.

Average number of days monthly in Santa Barbara that never get cooler than 50 or 60 °F
  50 °F
10 °C
60 °F
16 °C
January 6 0
February 8 0
March 14 0
April 19 0
May 28 1
June 29 4
July 31 13
August 31 14
September 29 11
October 29 4
November 15 0
December 6 0
Year 244 48

How Often Santa Barbara Has Cold Temperatures

Cold weather is almost unheard of in Santa Barbara. Normally every day warms up to at least 50 degrees F (10 °C).

Only about eleven nights a year cool down to 40 °F (4 °C) or less. It's most likely to get this cold in December or January, but a chilly night can also happen in February or March. Once every three years on average, a night at Santa Barbara will drop to freezing.

References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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