Montana climate — normals and trends
Montana (Bulgaria) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °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 (23.1 °C on average) and the coldest is January (-0.8 °C). Rainfall peaks in May.
Montana averages 76 frost days, 33 hot days (≥ 30 °C) and 105 rainy days per year.
Montana has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 59 per year over the period.
The hottest day of the period reached 42.5 °C (on 24 July 2007) and the coldest -26.7 °C (on 25 January 1942).
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
MontanaMontana
- coords
- 43.41°, 23.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
16.5°C
Average daily low
7.4°C
Annual rainfall
694mm
Sunshine / day
9.3h
Mean relative humidity
73%
Average peak wind
12.3km/h
Seasonal range
23.9°C
Frost days (< 0 °C)
76 d/yr
Hot days (≥ 30 °C)
33 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
81.1 cm
Average feels-like high
15.3 °C
Average feels-like low
5.5 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
42.5 °C
24 July 2007
Coldest day
-26.7 °C
25 January 1942
Wettest day
82 mm
22 August 1979
Windiest day
43.2 km/h
2 April 1944
Strongest gust
84.6 km/h
2 April 1944
Hottest feels-like
44.1 °C
6 July 1988
Coldest feels-like
-31.8 °C
24 January 1942
Snowiest day
30.6 cm
17 January 1977
Sunniest day
15.0 h
12 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 | 9.1 °C | +6.4 °C | 10 mm | -36 mm |
| Feb | 4.4 °C | -1.2 °C | 17 mm | -27 mm |
| Mar | 17.0 °C | +6.1 °C | 57 mm | -5 mm |
| Apr | 18.3 °C | +1.2 °C | 44 mm | -30 mm |
| May | 21.9 °C | -0.1 °C | 102 mm | +18 mm |
| Jun | 31.6 °C | +5.7 °C | 2 mm | -80 mm |
| Jul | 33.5 °C | +5.0 °C | 17 mm | -41 mm |
| Aug | 31.6 °C | +2.9 °C | 38 mm | -4 mm |
| Sep | 27.1 °C | +2.9 °C | 13 mm | -30 mm |
| Oct | 16.2 °C | -1.3 °C | 149 mm | +100 mm |
| Nov | 12.1 °C | +1.7 °C | 91 mm | +33 mm |
| Dec | 6.9 °C | +2.2 °C | 70 mm | +18 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 Montana?
Montana has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 694 mm of precipitation per year.
What is the hottest day ever recorded in Montana?
The hottest day measured in Montana between 1940 and 2025 was 24 July 2007, reaching 42.5 °C.
What is the coldest day in Montana?
The coldest day measured in Montana between 1940 and 2025 was 25 January 1942, at -26.7 °C.
Does it snow in Montana?
Yes. Montana gets on average 81.1 cm of snow per year and has around 76 frost days.
Has the climate of Montana warmed?
Yes: Montana warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Montana?
The wettest day measured in Montana between 1940 and 2025 was 22 August 1979, with 82 mm of rain in 24 hours.
What was the windiest day in Montana?
The windiest day measured in Montana between 1940 and 2025 was 2 April 1944, with winds reaching 43.2 km/h.
What is the warmest month in Montana?
The warmest month in Montana is July (23.1 °C on average); the coldest is January (-0.8 °C).
How much does it rain in Montana?
Montana receives on average 694 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Montana?
Montana gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Montana?
The heaviest 24-hour snowfall measured in Montana between 1940 and 2025 was 17 January 1977, with 30.6 cm.
Are there tropical nights in Montana?
Yes: Montana has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Montana?
In Montana, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 6 July 1988, and the lowest was -31.8 °C on 24 January 1942.
Compare Montana with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Montana