Salmon Arm climate — normals and trends
Salmon Arm (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.6 °C and it receives 764 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 (17.9 °C on average) and the coldest is January (-4.8 °C). Rainfall peaks in November.
Salmon Arm averages 132 frost days, 7 hot days (≥ 30 °C) and 146 rainy days per year.
Salmon Arm has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 159 to 105 per year over the period.
The hottest day of the period reached 43.6 °C (on 29 June 2021) and the coldest -33.7 °C (on 25 January 1950).
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
Salmon ArmBritish Columbia
- coords
- 50.70°, -119.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.6°C
Average daily high
10.7°C
Average daily low
2.9°C
Annual rainfall
764mm
Sunshine / day
9.2h
Mean relative humidity
73%
Average peak wind
5.6km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
132 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
185.5 cm
Average feels-like high
8.7 °C
Average feels-like low
0.7 °C
Average peak gust
28.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
43.6 °C
29 June 2021
Coldest day
-33.7 °C
25 January 1950
Wettest day
42 mm
25 October 1945
Windiest day
16.4 km/h
16 October 1991
Strongest gust
108.0 km/h
16 October 1991
Hottest feels-like
42.2 °C
30 June 2021
Coldest feels-like
-38.0 °C
25 January 1950
Snowiest day
23.0 cm
17 November 2015
Sunniest day
16.0 h
4 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 | 0.9 °C | +3.3 °C | 42 mm | -29 mm |
| Feb | -1.2 °C | -2.3 °C | 45 mm | -7 mm |
| Mar | 7.2 °C | +1.7 °C | 91 mm | +38 mm |
| Apr | 13.6 °C | +3.3 °C | 54 mm | +6 mm |
| May | 18.0 °C | +2.1 °C | 45 mm | -20 mm |
| Jun | 21.7 °C | +2.1 °C | 52 mm | -16 mm |
| Jul | 24.1 °C | +0.6 °C | 75 mm | +29 mm |
| Aug | 25.1 °C | +2.0 °C | 59 mm | +9 mm |
| Sep | 23.3 °C | +5.0 °C | 23 mm | -42 mm |
| Oct | 11.2 °C | +0.3 °C | 61 mm | -19 mm |
| Nov | 6.4 °C | +3.0 °C | 93 mm | +4 mm |
| Dec | 3.0 °C | +3.4 °C | 157 mm | +77 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 Salmon Arm?
Salmon Arm has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.6 °C and it receives 764 mm of precipitation per year.
What is the hottest day ever recorded in Salmon Arm?
The hottest day measured in Salmon Arm between 1940 and 2025 was 29 June 2021, reaching 43.6 °C.
What is the coldest day in Salmon Arm?
The coldest day measured in Salmon Arm between 1940 and 2025 was 25 January 1950, at -33.7 °C.
Does it snow in Salmon Arm?
Yes. Salmon Arm gets on average 185.5 cm of snow per year and has around 132 frost days.
Has the climate of Salmon Arm warmed?
Yes: Salmon Arm warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Salmon Arm?
The wettest day measured in Salmon Arm between 1940 and 2025 was 25 October 1945, with 42 mm of rain in 24 hours.
What was the windiest day in Salmon Arm?
The windiest day measured in Salmon Arm between 1940 and 2025 was 16 October 1991, with winds reaching 16.4 km/h.
What is the warmest month in Salmon Arm?
The warmest month in Salmon Arm is July (17.9 °C on average); the coldest is January (-4.8 °C).
How much does it rain in Salmon Arm?
Salmon Arm receives on average 764 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Salmon Arm?
Salmon Arm gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Salmon Arm?
The heaviest 24-hour snowfall measured in Salmon Arm between 1940 and 2025 was 17 November 2015, with 23.0 cm.
Are there tropical nights in Salmon Arm?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Salmon Arm.
What was the most extreme apparent temperature in Salmon Arm?
In Salmon Arm, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 30 June 2021, and the lowest was -38.0 °C on 25 January 1950.
Compare Salmon Arm with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Salmon Arm