Bullhead City climate — normals and trends
Bullhead City (United States) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 19.7 °C and it receives 171 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 (32.2 °C on average) and the coldest is January (8.1 °C). Rainfall peaks in February.
Bullhead City averages 13 frost days, 142 hot days (≥ 30 °C) and 29 rainy days per year.
Bullhead City has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 2 per year over the period.
The hottest day of the period reached 46.1 °C (on 20 June 2017) and the coldest -14.1 °C (on 1 February 1949).
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
Bullhead CityArizona
- coords
- 35.15°, -114.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.7°C
Average daily high
25.6°C
Average daily low
13.7°C
Annual rainfall
171mm
Sunshine / day
11.4h
Mean relative humidity
32%
Average peak wind
18.0km/h
Seasonal range
24.1°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
142 d/yr
Rainy days (≥ 1 mm)
29 d/yr
Annual snowfall
2.3 cm
Average feels-like high
22.4 °C
Average feels-like low
10.7 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
111 d/yr
Solar radiation
21.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.76 · 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
46.1 °C
20 June 2017
Coldest day
-14.1 °C
1 February 1949
Wettest day
58 mm
8 February 1993
Windiest day
42.0 km/h
15 April 2002
Strongest gust
97.6 km/h
29 December 2004
Hottest feels-like
45.3 °C
10 July 2003
Coldest feels-like
-18.9 °C
1 February 1949
Snowiest day
18.2 cm
12 January 1949
Sunniest day
14.2 h
20 June 2022
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 | 13.8 °C | +0.1 °C | 2 mm | -22 mm |
| Feb | 20.1 °C | +3.7 °C | 13 mm | -13 mm |
| Mar | 21.1 °C | +1.2 °C | 23 mm | +1 mm |
| Apr | 25.5 °C | +0.9 °C | 1 mm | -8 mm |
| May | 30.8 °C | +1.2 °C | 17 mm | +13 mm |
| Jun | 37.1 °C | +1.8 °C | 11 mm | +9 mm |
| Jul | 38.3 °C | +0.4 °C | 2 mm | -8 mm |
| Aug | 38.8 °C | +2.0 °C | 11 mm | -3 mm |
| Sep | 32.7 °C | -0.7 °C | 31 mm | +20 mm |
| Oct | 27.4 °C | +0.8 °C | 6 mm | -7 mm |
| Nov | 21.2 °C | +2.3 °C | 56 mm | +40 mm |
| Dec | 18.3 °C | +4.4 °C | 16 mm | -4 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 Bullhead City?
Bullhead City has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 171 mm of precipitation per year.
What is the hottest day ever recorded in Bullhead City?
The hottest day measured in Bullhead City between 1940 and 2025 was 20 June 2017, reaching 46.1 °C.
What is the coldest day in Bullhead City?
The coldest day measured in Bullhead City between 1940 and 2025 was 1 February 1949, at -14.1 °C.
Does it snow in Bullhead City?
Yes. Bullhead City gets on average 2.3 cm of snow per year and has around 13 frost days.
Has the climate of Bullhead City warmed?
Yes: Bullhead City warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bullhead City?
The wettest day measured in Bullhead City between 1940 and 2025 was 8 February 1993, with 58 mm of rain in 24 hours.
What was the windiest day in Bullhead City?
The windiest day measured in Bullhead City between 1940 and 2025 was 15 April 2002, with winds reaching 42.0 km/h.
What is the warmest month in Bullhead City?
The warmest month in Bullhead City is July (32.2 °C on average); the coldest is January (8.1 °C).
How much does it rain in Bullhead City?
Bullhead City receives on average 171 mm of precipitation per year, spread over about 29 rainy days.
Is it sunny in Bullhead City?
Bullhead City gets on average 11.4 hours of sunshine per day, roughly 4,161 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bullhead City?
The heaviest 24-hour snowfall measured in Bullhead City between 1940 and 2025 was 12 January 1949, with 18.2 cm.
Are there tropical nights in Bullhead City?
Yes: Bullhead City has on average 111 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bullhead City?
In Bullhead City, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 10 July 2003, and the lowest was -18.9 °C on 1 February 1949.
Compare Bullhead City with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bullhead City