Pocatello climate — normals and trends
Pocatello (United States) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 7.4 °C and it receives 511 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 (22.2 °C on average) and the coldest is January (-5.6 °C). Rainfall peaks in May.
Pocatello averages 157 frost days, 35 hot days (≥ 30 °C) and 106 rainy days per year.
Pocatello has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 171 to 143 per year over the period.
The hottest day of the period reached 38.9 °C (on 13 July 2002) and the coldest -35.3 °C (on 23 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
PocatelloIdaho
- coords
- 42.87°, -112.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.4°C
Average daily high
13.3°C
Average daily low
1.7°C
Annual rainfall
511mm
Sunshine / day
10.3h
Mean relative humidity
58%
Average peak wind
13.9km/h
Seasonal range
27.8°C
Frost days (< 0 °C)
157 d/yr
Hot days (≥ 30 °C)
35 d/yr
Rainy days (≥ 1 mm)
106 d/yr
Annual snowfall
152.8 cm
Average feels-like high
10.2 °C
Average feels-like low
-1.9 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.38 · 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
38.9 °C
13 July 2002
Coldest day
-35.3 °C
23 December 1990
Wettest day
35 mm
8 September 1973
Windiest day
39.6 km/h
2 April 2018
Strongest gust
103.0 km/h
12 January 1972
Hottest feels-like
38.3 °C
13 July 2002
Coldest feels-like
-40.5 °C
23 December 1990
Snowiest day
15.3 cm
2 March 1989
Sunniest day
15.0 h
1 June 1940
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 | -3.1 °C | -1.2 °C | 33 mm | -20 mm |
| Feb | 1.8 °C | +0.8 °C | 81 mm | +36 mm |
| Mar | 7.4 °C | +1.7 °C | 57 mm | +6 mm |
| Apr | 14.2 °C | +2.4 °C | 22 mm | -32 mm |
| May | 20.2 °C | +2.3 °C | 44 mm | -15 mm |
| Jun | 26.4 °C | +2.7 °C | 7 mm | -30 mm |
| Jul | 30.6 °C | +0.9 °C | 10 mm | -8 mm |
| Aug | 29.0 °C | +0.4 °C | 28 mm | +4 mm |
| Sep | 24.4 °C | +1.5 °C | 19 mm | -12 mm |
| Oct | 14.1 °C | -1.0 °C | 58 mm | +21 mm |
| Nov | 10.4 °C | +5.0 °C | 17 mm | -31 mm |
| Dec | 5.9 °C | +6.6 °C | 78 mm | +24 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 Pocatello?
Pocatello has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 7.4 °C and it receives 511 mm of precipitation per year.
What is the hottest day ever recorded in Pocatello?
The hottest day measured in Pocatello between 1940 and 2025 was 13 July 2002, reaching 38.9 °C.
What is the coldest day in Pocatello?
The coldest day measured in Pocatello between 1940 and 2025 was 23 December 1990, at -35.3 °C.
Does it snow in Pocatello?
Yes. Pocatello gets on average 152.8 cm of snow per year and has around 157 frost days.
Has the climate of Pocatello warmed?
Yes: Pocatello warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pocatello?
The wettest day measured in Pocatello between 1940 and 2025 was 8 September 1973, with 35 mm of rain in 24 hours.
What was the windiest day in Pocatello?
The windiest day measured in Pocatello between 1940 and 2025 was 2 April 2018, with winds reaching 39.6 km/h.
What is the warmest month in Pocatello?
The warmest month in Pocatello is July (22.2 °C on average); the coldest is January (-5.6 °C).
How much does it rain in Pocatello?
Pocatello receives on average 511 mm of precipitation per year, spread over about 106 rainy days.
Is it sunny in Pocatello?
Pocatello gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pocatello?
The heaviest 24-hour snowfall measured in Pocatello between 1940 and 2025 was 2 March 1989, with 15.3 cm.
Are there tropical nights in Pocatello?
Yes: Pocatello has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pocatello?
In Pocatello, between 1940 and 2025, the highest apparent temperature reached 38.3 °C on 13 July 2002, and the lowest was -40.5 °C on 23 December 1990.
Compare Pocatello with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pocatello