Climate averages 1991–2020
Surprise weather
in October.
A hot, fairly dry month: the 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Surprise: daytime highs average 30.4°C and nights cool to about 16.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 18 mm of rain on roughly 2 days, which makes October a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 22 min on an average October day.
The nearest other city in this atlas is Peoria (Arizona), United States (10 km away). In October its highs average 30.4°C, about as warm as Surprise, with 18 mm of rain.
Among the 498 cities listed in the United States, Surprise ranks joint 10th of 498 for the warmest October highs and joint 44th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Surprise is 9.1°C warmer than that mean.
From October to November, average highs fall by 7.0°C to 23.4°C, and monthly rainfall rises from 18 mm to 21 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Surprise climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.3°C5.0°C | 5.0°C | 35 | 3.6 | 10.210 h |
| February | 20.1°C6.5°C | 6.5°C | 41 | 4.3 | 11.011 h |
| March | 24.3°C9.6°C | 9.6°C | 27 | 3.1 | 12.012 h |
| April | 28.8°C13.6°C | 13.6°C | 8.6 | 1.3 | 13.013 h |
| May | 33.7°C19.1°C | 19.1°C | 3.3 | 0.7 | 13.914 h |
| June | 39.2°C24.4°C | 24.4°C | 1.7 | 0.3 | 14.314 h |
| July | 40.4°C28.1°C | 28.1°C | 17 | 3.0 | 14.214 h |
| August | 39.4°C27.6°C | 27.6°C | 23 | 3.8 | 13.413 h |
| September | 36.6°C23.4°C | 23.4°C | 20 | 3.1 | 12.412 h |
| October, selected | 30.4°C16.3°C | 16.3°C | 18 | 2.1 | 11.411 h |
| November | 23.4°C9.6°C | 9.6°C | 21 | 2.2 | 10.510 h |
| December | 17.5°C4.9°C | 4.9°C | 31 | 3.4 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Peoria (Arizona), United States in OctoberUnited States · 10 kmHigh 30.4°C · Low 16.2°C · 18 mm rain
- Glendale (Arizona), United States in OctoberUnited States · 17 kmHigh 30.7°C · Low 16.2°C · 18 mm rain
- Avondale in OctoberUnited States · 22 kmHigh 31.3°C · Low 16.6°C · 18 mm rain
- Goodyear in OctoberUnited States · 22 kmHigh 31.3°C · Low 16.8°C · 18 mm rain
- Phoenix in OctoberUnited States · 31 kmHigh 30.8°C · Low 16.1°C · 20 mm rain
- Scottsdale in OctoberUnited States · 42 kmHigh 30.4°C · Low 15.8°C · 20 mm rain
- Tempe in OctoberUnited States · 46 kmHigh 30.7°C · Low 15.8°C · 20 mm rain
- Mesa in OctoberUnited States · 53 kmHigh 30.6°C · Low 15.6°C · 20 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Surprise) is explained once on the Surprise year overview and on the Sources, method and limits page.