Scottsdale Average Temperatures by Month

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

The average high and low temperatures are listed below by month and annually for the city, 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 80, 90 or 100 °F each month in Scottsdale, scroll down farther. There are also monthly and yearly counts of 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 Scottsdale, 2010 to 2019
High °F	Low °F		High °C	Low °C
67	43	January	19	6
69	46	February	21	8
78	53	March	26	11
84	59	April	29	15
91	66	May	33	19
103	77	June	40	25
104	83	July	40	28
103	82	August	40	28
98	76	September	37	24
88	63	October	31	17
75	51	November	24	11
65	44	December	19	6
86	62	Year	30	17

30-year temperature averages for Scottsdale, 1991 to 2020
High °F	Low °F		High °C	Low °C
67	43	January	19	6
69	46	February	20	8
76	52	March	24	11
83	58	April	28	15
92	67	May	33	19
102	76	June	39	25
104	83	July	40	28
103	82	August	39	28
98	75	September	37	24
87	63	October	31	17
75	51	November	24	10
65	43	December	18	6
85	62	Year	29	16

Days of Hot Weather in Scottsdale

Scottsdale has highs in the 100s Fahrenheit on most days during summer. The 100-degree weather usually begins in May and can persist until September. In some years, even a day in October reaches 100 degrees.

Days per month in Scottsdale of at least 80, 90 or 100 °F
	80 °F 27 °C	90 °F 32 °C	100 °F 38 °C
January	1	0	0
February	3	0	0
March	13	2	0
April	22	7	0
May	28	21	5
June	30	29	23
July	31	31	27
August	31	30	24
September	30	27	14
October	26	14	1
November	10	1	0
December	0	0	0
Year	225	161	93

Average number of nights for each month in Scottsdale that stay above 50, 60 or 70 °F
	50 °F 10 °C	60 °F 16 °C	70 °F 21 °C
January	3	0	0
February	6	0	0
March	19	2	0
April	28	11	0
May	31	26	7
June	30	30	27
July	31	31	31
August	31	31	31
September	30	30	24
October	30	21	4
November	17	3	0
December	3	0	0
Year	258	184	124

How Often Scottsdale Has Cold Temperatures

Scottsdale can get cool at night, but by most American standards, it would never be called cold. The city averages just three nights a year when the temperature drops to freezing.

Days per month on average in Scottsdale when the minimum temperature drops to 32, 40, or 50 °F or below
	32 °F 0 °C	40 °F 4 °C	50 °F 10 °C
January	1	10	28
February	0	6	22
March	0	1	13
April	0	0	2
May	0	0	0
June	0	0	0
July	0	0	0
August	0	0	0
September	0	0	0
October	0	0	1
November	0	1	13
December	1	11	28
Year	3	29	107

Scottsdale Temperatures: Averages by Month

Days of Hot Weather in Scottsdale

How Often Scottsdale Has Cold Temperatures

References

More on Weather in Arizona