Prescott Valley climate — normals and trends
Prescott Valley (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 13.3 °C and it receives 538 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (24.4 °C on average) and the coldest is January (3.2 °C). Rainfall peaks in August.
Prescott Valley averages 80 frost days, 60 hot days (≥ 30 °C) and 80 rainy days per year.
Prescott Valley has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 107 to 53 per year over the period.
The hottest day of the period reached 40.7 °C (on 15 July 2023) and the coldest -20.7 °C (on 8 December 1978).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Prescott ValleyArizona
- coords
- 34.61°, -112.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.3°C
Average daily high
20.4°C
Average daily low
6.9°C
Annual rainfall
538mm
Sunshine / day
11.2h
Mean relative humidity
46%
Average peak wind
13.7km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
60 d/yr
Rainy days (≥ 1 mm)
80 d/yr
Annual snowfall
50.5 cm
Average feels-like high
18.0 °C
Average feels-like low
4.0 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.69 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.7 °C
15 July 2023
Coldest day
-20.7 °C
8 December 1978
Wettest day
74 mm
21 January 2010
Windiest day
43.7 km/h
20 May 1975
Strongest gust
113.4 km/h
21 January 2010
Hottest feels-like
39.6 °C
14 July 2003
Coldest feels-like
-26.3 °C
8 December 1978
Snowiest day
23.6 cm
19 December 1967
Sunniest day
14.3 h
26 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.5 °C | +0.6 °C | 16 mm | -30 mm |
| Feb | 16.8 °C | +5.0 °C | 17 mm | -29 mm |
| Mar | 15.5 °C | +1.0 °C | 66 mm | +15 mm |
| Apr | 20.1 °C | +1.0 °C | 18 mm | -10 mm |
| May | 25.1 °C | +1.0 °C | 39 mm | +23 mm |
| Jun | 31.4 °C | +1.4 °C | 34 mm | +23 mm |
| Jul | 32.5 °C | +1.2 °C | 39 mm | -40 mm |
| Aug | 33.0 °C | +3.5 °C | 50 mm | -44 mm |
| Sep | 26.9 °C | -0.2 °C | 106 mm | +51 mm |
| Oct | 22.3 °C | +0.8 °C | 60 mm | +19 mm |
| Nov | 17.6 °C | +2.5 °C | 81 mm | +49 mm |
| Dec | 15.9 °C | +5.4 °C | 21 mm | -20 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Prescott Valley?
Prescott Valley has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 13.3 °C and it receives 538 mm of precipitation per year.
What is the hottest day ever recorded in Prescott Valley?
The hottest day measured in Prescott Valley between 1940 and 2025 was 15 July 2023, reaching 40.7 °C.
What is the coldest day in Prescott Valley?
The coldest day measured in Prescott Valley between 1940 and 2025 was 8 December 1978, at -20.7 °C.
Does it snow in Prescott Valley?
Yes. Prescott Valley gets on average 50.5 cm of snow per year and has around 80 frost days.
Has the climate of Prescott Valley warmed?
Yes: Prescott Valley warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Prescott Valley?
The wettest day measured in Prescott Valley between 1940 and 2025 was 21 January 2010, with 74 mm of rain in 24 hours.
What was the windiest day in Prescott Valley?
The windiest day measured in Prescott Valley between 1940 and 2025 was 20 May 1975, with winds reaching 43.7 km/h.
What is the warmest month in Prescott Valley?
The warmest month in Prescott Valley is July (24.4 °C on average); the coldest is January (3.2 °C).
How much does it rain in Prescott Valley?
Prescott Valley receives on average 538 mm of precipitation per year, spread over about 80 rainy days.
Is it sunny in Prescott Valley?
Prescott Valley gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Prescott Valley?
The heaviest 24-hour snowfall measured in Prescott Valley between 1940 and 2025 was 19 December 1967, with 23.6 cm.
Are there tropical nights in Prescott Valley?
Yes: Prescott Valley has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Prescott Valley?
In Prescott Valley, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 14 July 2003, and the lowest was -26.3 °C on 8 December 1978.
Compare Prescott Valley with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Prescott Valley