Orem climate — normals and trends
Orem (United States) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 8.1 °C and it receives 458 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 (23.4 °C on average) and the coldest is January (-5.4 °C). Rainfall peaks in December.
Orem averages 159 frost days, 47 hot days (≥ 30 °C) and 88 rainy days per year.
Orem has warmed by +3.0 °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 175 to 143 per year over the period.
The hottest day of the period reached 38.8 °C (on 13 July 2002) and the coldest -29.5 °C (on 13 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
OremUtah
- coords
- 40.30°, -111.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.1°C
Average daily high
14.5°C
Average daily low
1.7°C
Annual rainfall
458mm
Sunshine / day
10.7h
Mean relative humidity
58%
Average peak wind
9.7km/h
Seasonal range
28.8°C
Frost days (< 0 °C)
159 d/yr
Hot days (≥ 30 °C)
47 d/yr
Rainy days (≥ 1 mm)
88 d/yr
Annual snowfall
169.1 cm
Average feels-like high
12.0 °C
Average feels-like low
-1.2 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.57 · 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
38.8 °C
13 July 2002
Coldest day
-29.5 °C
13 January 1963
Wettest day
36 mm
20 October 1979
Windiest day
30.7 km/h
17 June 2024
Strongest gust
99.0 km/h
28 June 2020
Hottest feels-like
38.2 °C
12 July 2002
Coldest feels-like
-34.2 °C
13 January 1963
Snowiest day
20.5 cm
29 December 2010
Sunniest day
14.9 h
13 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 | -0.8 °C | -0.5 °C | 25 mm | -31 mm |
| Feb | 4.8 °C | +2.3 °C | 53 mm | +5 mm |
| Mar | 9.5 °C | +2.7 °C | 64 mm | +10 mm |
| Apr | 13.9 °C | +1.9 °C | 24 mm | -28 mm |
| May | 21.0 °C | +2.3 °C | 49 mm | +7 mm |
| Jun | 29.3 °C | +3.6 °C | 1 mm | -19 mm |
| Jul | 32.2 °C | +1.3 °C | 2 mm | -7 mm |
| Aug | 30.8 °C | +1.2 °C | 13 mm | +2 mm |
| Sep | 26.0 °C | +1.8 °C | 16 mm | -10 mm |
| Oct | 17.0 °C | +0.7 °C | 42 mm | +3 mm |
| Nov | 12.7 °C | +5.8 °C | 15 mm | -33 mm |
| Dec | 7.1 °C | +6.3 °C | 34 mm | -21 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 Orem?
Orem has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 8.1 °C and it receives 458 mm of precipitation per year.
What is the hottest day ever recorded in Orem?
The hottest day measured in Orem between 1940 and 2025 was 13 July 2002, reaching 38.8 °C.
What is the coldest day in Orem?
The coldest day measured in Orem between 1940 and 2025 was 13 January 1963, at -29.5 °C.
Does it snow in Orem?
Yes. Orem gets on average 169.1 cm of snow per year and has around 159 frost days.
Has the climate of Orem warmed?
Yes: Orem warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Orem?
The wettest day measured in Orem between 1940 and 2025 was 20 October 1979, with 36 mm of rain in 24 hours.
What was the windiest day in Orem?
The windiest day measured in Orem between 1940 and 2025 was 17 June 2024, with winds reaching 30.7 km/h.
What is the warmest month in Orem?
The warmest month in Orem is July (23.4 °C on average); the coldest is January (-5.4 °C).
How much does it rain in Orem?
Orem receives on average 458 mm of precipitation per year, spread over about 88 rainy days.
Is it sunny in Orem?
Orem 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 Orem?
The heaviest 24-hour snowfall measured in Orem between 1940 and 2025 was 29 December 2010, with 20.5 cm.
Are there tropical nights in Orem?
Yes: Orem has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Orem?
In Orem, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 12 July 2002, and the lowest was -34.2 °C on 13 January 1963.
Compare Orem with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Orem