Fernley climate — normals and trends
Fernley (United States) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 231 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 (25.7 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in January.
Fernley averages 109 frost days, 77 hot days (≥ 30 °C) and 51 rainy days per year.
Fernley has warmed by +3.4 °C between 1940 and 2025, or +0.40 °C per decade. This trend is statistically significant.
The number of frost days there went from about 131 to 87 per year over the period.
The hottest day of the period reached 42.1 °C (on 5 July 2007) and the coldest -28.2 °C (on 7 February 1989).
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
FernleyNevada
- coords
- 39.61°, -119.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.9°C
Average daily high
18.6°C
Average daily low
5.3°C
Annual rainfall
231mm
Sunshine / day
11.0h
Mean relative humidity
46%
Average peak wind
13.9km/h
Seasonal range
26.2°C
Frost days (< 0 °C)
109 d/yr
Hot days (≥ 30 °C)
77 d/yr
Rainy days (≥ 1 mm)
51 d/yr
Annual snowfall
49.9 cm
Average feels-like high
15.6 °C
Average feels-like low
2.0 °C
Average peak gust
32.7 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.4 °C
since 1940
+0.4 °C per decade · r² = 0.68 · 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
42.1 °C
5 July 2007
Coldest day
-28.2 °C
7 February 1989
Wettest day
57 mm
31 December 2022
Windiest day
40.9 km/h
25 April 1955
Strongest gust
95.8 km/h
20 March 1995
Hottest feels-like
41.1 °C
10 July 2002
Coldest feels-like
-33.3 °C
7 February 1989
Snowiest day
23.5 cm
21 December 1996
Sunniest day
14.1 h
3 July 1951
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 | 9.1 °C | +4.0 °C | 6 mm | -27 mm |
| Feb | 11.9 °C | +3.4 °C | 53 mm | +24 mm |
| Mar | 14.5 °C | +1.9 °C | 34 mm | +5 mm |
| Apr | 19.7 °C | +2.4 °C | 12 mm | -7 mm |
| May | 25.4 °C | +3.1 °C | 12 mm | -8 mm |
| Jun | 31.6 °C | +3.6 °C | 2 mm | -11 mm |
| Jul | 33.9 °C | +0.5 °C | 7 mm | +1 mm |
| Aug | 33.2 °C | +1.1 °C | 9 mm | +2 mm |
| Sep | 28.2 °C | +0.9 °C | 14 mm | +5 mm |
| Oct | 18.5 °C | -1.4 °C | 34 mm | +18 mm |
| Nov | 14.3 °C | +2.9 °C | 44 mm | +23 mm |
| Dec | 10.2 °C | +4.4 °C | 56 mm | +26 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 Fernley?
Fernley has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 231 mm of precipitation per year.
What is the hottest day ever recorded in Fernley?
The hottest day measured in Fernley between 1940 and 2025 was 5 July 2007, reaching 42.1 °C.
What is the coldest day in Fernley?
The coldest day measured in Fernley between 1940 and 2025 was 7 February 1989, at -28.2 °C.
Does it snow in Fernley?
Yes. Fernley gets on average 49.9 cm of snow per year and has around 109 frost days.
Has the climate of Fernley warmed?
Yes: Fernley warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fernley?
The wettest day measured in Fernley between 1940 and 2025 was 31 December 2022, with 57 mm of rain in 24 hours.
What was the windiest day in Fernley?
The windiest day measured in Fernley between 1940 and 2025 was 25 April 1955, with winds reaching 40.9 km/h.
What is the warmest month in Fernley?
The warmest month in Fernley is July (25.7 °C on average); the coldest is January (-0.5 °C).
How much does it rain in Fernley?
Fernley receives on average 231 mm of precipitation per year, spread over about 51 rainy days.
Is it sunny in Fernley?
Fernley gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fernley?
The heaviest 24-hour snowfall measured in Fernley between 1940 and 2025 was 21 December 1996, with 23.5 cm.
Are there tropical nights in Fernley?
Yes: Fernley has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fernley?
In Fernley, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 10 July 2002, and the lowest was -33.3 °C on 7 February 1989.
Compare Fernley with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fernley