Magna climate — normals and trends
Magna (United States) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 517 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 (24.6 °C on average) and the coldest is January (-3.6 °C). Rainfall peaks in April.
Magna averages 130 frost days, 54 hot days (≥ 30 °C) and 94 rainy days per year.
Magna has warmed by +3.8 °C between 1940 and 2025, or +0.45 °C per decade. This trend is statistically significant.
The number of frost days there went from about 153 to 107 per year over the period.
The hottest day of the period reached 39.6 °C (on 13 July 2002) and the coldest -30.4 °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
MagnaUtah
- coords
- 40.71°, -112.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
15.5°C
Average daily low
3.9°C
Annual rainfall
517mm
Sunshine / day
10.7h
Mean relative humidity
59%
Average peak wind
12.0km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
54 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
134.1 cm
Average feels-like high
13.1 °C
Average feels-like low
1.0 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.8 °C
since 1940
+0.5 °C per decade · r² = 0.64 · 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
39.6 °C
13 July 2002
Coldest day
-30.4 °C
13 January 1963
Wettest day
38 mm
6 June 2007
Windiest day
37.2 km/h
14 April 2015
Strongest gust
100.4 km/h
15 April 2002
Hottest feels-like
38.2 °C
31 July 2020
Coldest feels-like
-35.6 °C
13 January 1963
Snowiest day
21.2 cm
1 December 1982
Sunniest day
14.9 h
27 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 | 1.9 °C | +1.2 °C | 24 mm | -29 mm |
| Feb | 7.1 °C | +3.4 °C | 48 mm | +1 mm |
| Mar | 12.4 °C | +4.0 °C | 73 mm | +18 mm |
| Apr | 16.7 °C | +2.9 °C | 28 mm | -37 mm |
| May | 22.7 °C | +3.0 °C | 44 mm | -11 mm |
| Jun | 29.8 °C | +3.8 °C | 4 mm | -25 mm |
| Jul | 33.5 °C | +2.0 °C | 7 mm | -6 mm |
| Aug | 31.5 °C | +1.1 °C | 25 mm | +8 mm |
| Sep | 26.6 °C | +1.9 °C | 19 mm | -13 mm |
| Oct | 17.2 °C | +0.2 °C | 64 mm | +18 mm |
| Nov | 13.3 °C | +5.3 °C | 18 mm | -35 mm |
| Dec | 9.0 °C | +7.0 °C | 33 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 Magna?
Magna has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 517 mm of precipitation per year.
What is the hottest day ever recorded in Magna?
The hottest day measured in Magna between 1940 and 2025 was 13 July 2002, reaching 39.6 °C.
What is the coldest day in Magna?
The coldest day measured in Magna between 1940 and 2025 was 13 January 1963, at -30.4 °C.
Does it snow in Magna?
Yes. Magna gets on average 134.1 cm of snow per year and has around 130 frost days.
Has the climate of Magna warmed?
Yes: Magna warmed by +3.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Magna?
The wettest day measured in Magna between 1940 and 2025 was 6 June 2007, with 38 mm of rain in 24 hours.
What was the windiest day in Magna?
The windiest day measured in Magna between 1940 and 2025 was 14 April 2015, with winds reaching 37.2 km/h.
What is the warmest month in Magna?
The warmest month in Magna is July (24.6 °C on average); the coldest is January (-3.6 °C).
How much does it rain in Magna?
Magna receives on average 517 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Magna?
Magna 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 Magna?
The heaviest 24-hour snowfall measured in Magna between 1940 and 2025 was 1 December 1982, with 21.2 cm.
Are there tropical nights in Magna?
Yes: Magna has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Magna?
In Magna, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 31 July 2020, and the lowest was -35.6 °C on 13 January 1963.
Compare Magna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Magna