Surprise weather by month
Average highs run from 65°F in January to 105°F in July, and January nights average 41°F. It gets 8 inches of rain and melted snow a year, with almost no snow. Expect about 176 days a year at 90°F or hotter. The most comfortable months are February to April and November.
Best time to visit Surprise
For comfortable weather, go in February to April and November. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 65°F | 41°F | 1.0 in | 0.0 in | 2 | 0 | 1 | mild days, chilly nights |
| February | 69°F | 44°F | 1.3 in | 0.0 in | 3 | 0 | 1 | mild |
| March | 77°F | 49°F | 1.0 in | 0.0 in | 2 | 2 | 0 | warm |
| April | 84°F | 55°F | 0.3 in | 0.0 in | 1 | 11 | 0 | warm |
| May | 93°F | 64°F | 0.1 in | 0.0 in | 0 | 25 | 0 | hot |
| June | 102°F | 72°F | 0.0 in | 0.0 in | 0 | 30 | 0 | very hot |
| July | 105°F | 80°F | 0.8 in | 0.0 in | 2 | 31 | 0 | very hot |
| August | 104°F | 79°F | 1.0 in | 0.0 in | 2 | 31 | 0 | very hot |
| September | 98°F | 73°F | 0.7 in | 0.0 in | 1 | 29 | 0 | very hot |
| October | 87°F | 60°F | 0.6 in | 0.0 in | 1 | 16 | 0 | hot |
| November | 74°F | 48°F | 0.6 in | 0.0 in | 1 | 1 | 0 | mild |
| December | 64°F | 40°F | 0.9 in | 0.0 in | 2 | 0 | 2 | mild days, chilly nights |
| Year | 85°F avg | 59°F avg | 8.3 in | 0.0 in | 18 | 176 | 4 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Youngtown, AZ (USC00029634), 4.8 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Surprise
The shortest day is December 21, with 9h 55m of daylight; the longest is June 21, with 14h 23m. The earliest sunset comes around November 30 (5:20 pm) and the latest around June 23 (7:43 pm). The sun never sets after 8 pm here.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:34 am | 5:44 pm | 10h 10m |
| February | 7:13 am | 6:13 pm | 11h 00m |
| March | 6:39 am | 6:37 pm | 11h 57m |
| April | 5:58 am | 7:00 pm | 13h 01m |
| May | 5:28 am | 7:23 pm | 13h 54m |
| June | 5:19 am | 7:41 pm | 14h 22m |
| July | 5:30 am | 7:40 pm | 14h 10m |
| August | 5:52 am | 7:15 pm | 13h 23m |
| September | 6:13 am | 6:35 pm | 12h 22m |
| October | 6:34 am | 5:55 pm | 11h 21m |
| November | 7:01 am | 5:26 pm | 10h 25m |
| December | 7:26 am | 5:22 pm | 9h 56m |
Calculated for 2026 at the center of Surprise with NOAA's solar equations, in local clock time (Mountain Standard Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Surprise getting warmer?
The last 10 years averaged 3.0°F warmer than the 20th century. See the climate stripes for Surprise.Frequently asked questions
What is the warmest month in Surprise?
July is the warmest month, with an average high of 105°F and an average low of 80°F (NOAA 1991-2020 normals).
What is the coldest month in Surprise?
December is the coldest, with average lows of 40°F and highs of 64°F.
What is the rainiest month in Surprise?
February gets the most precipitation, 1.3 inches on average. June is the driest at 0.0 inches.
Does it snow in Surprise?
Very little. The normal yearly snowfall is under one inch.
When is the best time to visit Surprise?
For comfortable weather, February to April and November. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Surprise?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Surprise profile.
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