Kuna climate — normals and trends
Kuna (United States) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 12.0 °C and it receives 304 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 (25.8 °C on average) and the coldest is January (-0.3 °C). Rainfall peaks in December.
Kuna averages 88 frost days, 74 hot days (≥ 30 °C) and 72 rainy days per year.
Kuna has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 102 to 74 per year over the period.
The hottest day of the period reached 44.3 °C (on 19 July 1960) and the coldest -28.7 °C (on 22 December 1990).
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
KunaIdaho
- coords
- 43.49°, -116.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.0°C
Average daily high
18.2°C
Average daily low
6.2°C
Annual rainfall
304mm
Sunshine / day
10.4h
Mean relative humidity
52%
Average peak wind
15.6km/h
Seasonal range
26.1°C
Frost days (< 0 °C)
88 d/yr
Hot days (≥ 30 °C)
74 d/yr
Rainy days (≥ 1 mm)
72 d/yr
Annual snowfall
34.8 cm
Average feels-like high
15.4 °C
Average feels-like low
3.0 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
44.3 °C
19 July 1960
Coldest day
-28.7 °C
22 December 1990
Wettest day
37 mm
14 September 1959
Windiest day
43.3 km/h
30 August 1999
Strongest gust
89.6 km/h
4 June 2012
Hottest feels-like
43.7 °C
12 July 2002
Coldest feels-like
-33.7 °C
22 December 1990
Snowiest day
10.4 cm
4 January 2017
Sunniest day
14.9 h
24 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 | 4.8 °C | +1.0 °C | 26 mm | -13 mm |
| Feb | 6.5 °C | -1.2 °C | 76 mm | +44 mm |
| Mar | 14.5 °C | +1.8 °C | 30 mm | -5 mm |
| Apr | 19.7 °C | +2.1 °C | 8 mm | -22 mm |
| May | 25.3 °C | +2.4 °C | 18 mm | -9 mm |
| Jun | 30.1 °C | +2.2 °C | 1 mm | -17 mm |
| Jul | 33.9 °C | +0.2 °C | 10 mm | +6 mm |
| Aug | 32.6 °C | +0.3 °C | 10 mm | +3 mm |
| Sep | 29.0 °C | +2.5 °C | 4 mm | -9 mm |
| Oct | 17.4 °C | -1.4 °C | 42 mm | +20 mm |
| Nov | 13.2 °C | +3.3 °C | 14 mm | -21 mm |
| Dec | 10.2 °C | +5.6 °C | 61 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 Kuna?
Kuna has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 304 mm of precipitation per year.
What is the hottest day ever recorded in Kuna?
The hottest day measured in Kuna between 1940 and 2025 was 19 July 1960, reaching 44.3 °C.
What is the coldest day in Kuna?
The coldest day measured in Kuna between 1940 and 2025 was 22 December 1990, at -28.7 °C.
Does it snow in Kuna?
Yes. Kuna gets on average 34.8 cm of snow per year and has around 88 frost days.
Has the climate of Kuna warmed?
Yes: Kuna warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kuna?
The wettest day measured in Kuna between 1940 and 2025 was 14 September 1959, with 37 mm of rain in 24 hours.
What was the windiest day in Kuna?
The windiest day measured in Kuna between 1940 and 2025 was 30 August 1999, with winds reaching 43.3 km/h.
What is the warmest month in Kuna?
The warmest month in Kuna is July (25.8 °C on average); the coldest is January (-0.3 °C).
How much does it rain in Kuna?
Kuna receives on average 304 mm of precipitation per year, spread over about 72 rainy days.
Is it sunny in Kuna?
Kuna gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kuna?
The heaviest 24-hour snowfall measured in Kuna between 1940 and 2025 was 4 January 2017, with 10.4 cm.
Are there tropical nights in Kuna?
Yes: Kuna has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kuna?
In Kuna, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 12 July 2002, and the lowest was -33.7 °C on 22 December 1990.
Compare Kuna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kuna