Montrose climate — normals and trends
Montrose (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 397 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 (21.3 °C on average) and the coldest is January (-5.7 °C). Rainfall peaks in March.
Montrose averages 177 frost days, 32 hot days (≥ 30 °C) and 92 rainy days per year.
Montrose has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 193 to 161 per year over the period.
The hottest day of the period reached 37.7 °C (on 9 July 2021) and the coldest -38.0 °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
MontroseColorado
- coords
- 38.48°, -107.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.6°C
Average daily high
15.5°C
Average daily low
0.1°C
Annual rainfall
397mm
Sunshine / day
11.0h
Mean relative humidity
53%
Average peak wind
11.8km/h
Seasonal range
27.0°C
Frost days (< 0 °C)
177 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
116.9 cm
Average feels-like high
12.6 °C
Average feels-like low
-3.4 °C
Average peak gust
32.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.59 · 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
37.7 °C
9 July 2021
Coldest day
-38.0 °C
13 January 1963
Wettest day
34 mm
13 October 1957
Windiest day
38.5 km/h
26 May 2012
Strongest gust
101.2 km/h
26 December 2021
Hottest feels-like
37.3 °C
9 July 2021
Coldest feels-like
-43.1 °C
13 January 1963
Snowiest day
15.8 cm
19 December 1967
Sunniest day
14.6 h
22 June 1944
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 | 2.9 °C | +0.7 °C | 9 mm | -25 mm |
| Feb | 9.7 °C | +5.1 °C | 32 mm | -3 mm |
| Mar | 12.8 °C | +4.2 °C | 28 mm | -17 mm |
| Apr | 17.7 °C | +3.9 °C | 19 mm | -23 mm |
| May | 22.5 °C | +2.4 °C | 24 mm | -9 mm |
| Jun | 29.1 °C | +2.4 °C | 31 mm | +14 mm |
| Jul | 31.8 °C | +2.1 °C | 5 mm | -21 mm |
| Aug | 30.8 °C | +2.8 °C | 16 mm | -14 mm |
| Sep | 24.9 °C | +1.0 °C | 27 mm | -1 mm |
| Oct | 18.3 °C | +1.5 °C | 86 mm | +47 mm |
| Nov | 13.3 °C | +4.9 °C | 20 mm | -14 mm |
| Dec | 9.0 °C | +6.0 °C | 18 mm | -16 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 Montrose?
Montrose has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 397 mm of precipitation per year.
What is the hottest day ever recorded in Montrose?
The hottest day measured in Montrose between 1940 and 2025 was 9 July 2021, reaching 37.7 °C.
What is the coldest day in Montrose?
The coldest day measured in Montrose between 1940 and 2025 was 13 January 1963, at -38.0 °C.
Does it snow in Montrose?
Yes. Montrose gets on average 116.9 cm of snow per year and has around 177 frost days.
Has the climate of Montrose warmed?
Yes: Montrose warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Montrose?
The wettest day measured in Montrose between 1940 and 2025 was 13 October 1957, with 34 mm of rain in 24 hours.
What was the windiest day in Montrose?
The windiest day measured in Montrose between 1940 and 2025 was 26 May 2012, with winds reaching 38.5 km/h.
What is the warmest month in Montrose?
The warmest month in Montrose is July (21.3 °C on average); the coldest is January (-5.7 °C).
How much does it rain in Montrose?
Montrose receives on average 397 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Montrose?
Montrose gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Montrose?
The heaviest 24-hour snowfall measured in Montrose between 1940 and 2025 was 19 December 1967, with 15.8 cm.
Are there tropical nights in Montrose?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Montrose.
What was the most extreme apparent temperature in Montrose?
In Montrose, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 9 July 2021, and the lowest was -43.1 °C on 13 January 1963.
Compare Montrose with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Montrose