Holladay climate — normals and trends
Holladay (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.7 °C and it receives 694 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 (21.2 °C on average) and the coldest is January (-5.4 °C). Rainfall peaks in April.
Holladay averages 170 frost days, 20 hot days (≥ 30 °C) and 117 rainy days per year.
Holladay 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 186 to 154 per year over the period.
The hottest day of the period reached 36.5 °C (on 13 July 2002) and the coldest -33.7 °C (on 12 January 1963).
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
HolladayUtah
- coords
- 40.67°, -111.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.7°C
Average daily high
12.6°C
Average daily low
0.9°C
Annual rainfall
694mm
Sunshine / day
10.7h
Mean relative humidity
64%
Average peak wind
11.0km/h
Seasonal range
26.6°C
Frost days (< 0 °C)
170 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
258.7 cm
Average feels-like high
10.1 °C
Average feels-like low
-2.2 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.58 · 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
36.5 °C
13 July 2002
Coldest day
-33.7 °C
12 January 1963
Wettest day
37 mm
24 July 1977
Windiest day
32.2 km/h
14 April 2015
Strongest gust
105.8 km/h
12 November 1973
Hottest feels-like
35.2 °C
12 July 2002
Coldest feels-like
-38.5 °C
13 January 1963
Snowiest day
22.2 cm
14 January 1953
Sunniest day
14.9 h
25 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 | -0.7 °C | +0.3 °C | 35 mm | -37 mm |
| Feb | 4.0 °C | +2.6 °C | 77 mm | +13 mm |
| Mar | 8.6 °C | +3.3 °C | 91 mm | +18 mm |
| Apr | 11.5 °C | +1.8 °C | 34 mm | -43 mm |
| May | 18.5 °C | +2.7 °C | 68 mm | -2 mm |
| Jun | 26.4 °C | +3.6 °C | 8 mm | -35 mm |
| Jul | 30.2 °C | +1.8 °C | 7 mm | -19 mm |
| Aug | 28.5 °C | +1.2 °C | 44 mm | +13 mm |
| Sep | 23.4 °C | +1.6 °C | 38 mm | -7 mm |
| Oct | 14.5 °C | +0.4 °C | 82 mm | +25 mm |
| Nov | 10.7 °C | +5.5 °C | 28 mm | -40 mm |
| Dec | 5.8 °C | +5.9 °C | 67 mm | -5 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 Holladay?
Holladay has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.7 °C and it receives 694 mm of precipitation per year.
What is the hottest day ever recorded in Holladay?
The hottest day measured in Holladay between 1940 and 2025 was 13 July 2002, reaching 36.5 °C.
What is the coldest day in Holladay?
The coldest day measured in Holladay between 1940 and 2025 was 12 January 1963, at -33.7 °C.
Does it snow in Holladay?
Yes. Holladay gets on average 258.7 cm of snow per year and has around 170 frost days.
Has the climate of Holladay warmed?
Yes: Holladay warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Holladay?
The wettest day measured in Holladay between 1940 and 2025 was 24 July 1977, with 37 mm of rain in 24 hours.
What was the windiest day in Holladay?
The windiest day measured in Holladay between 1940 and 2025 was 14 April 2015, with winds reaching 32.2 km/h.
What is the warmest month in Holladay?
The warmest month in Holladay is July (21.2 °C on average); the coldest is January (-5.4 °C).
How much does it rain in Holladay?
Holladay receives on average 694 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Holladay?
Holladay gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
What is the biggest single-day snowfall in Holladay?
The heaviest 24-hour snowfall measured in Holladay between 1940 and 2025 was 14 January 1953, with 22.2 cm.
Are there tropical nights in Holladay?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Holladay.
What was the most extreme apparent temperature in Holladay?
In Holladay, between 1940 and 2025, the highest apparent temperature reached 35.2 °C on 12 July 2002, and the lowest was -38.5 °C on 13 January 1963.
Compare Holladay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Holladay