Penticton climate — normals and trends
Penticton (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.7 °C and it receives 652 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 (17.4 °C on average) and the coldest is January (-5.2 °C). Rainfall peaks in November.
Penticton averages 157 frost days, 5 hot days (≥ 30 °C) and 128 rainy days per year.
Penticton has warmed by +3.2 °C between 1940 and 2025, or +0.38 °C per decade. This trend is statistically significant.
The number of frost days there went from about 186 to 128 per year over the period.
The hottest day of the period reached 39.9 °C (on 30 June 2021) and the coldest -32.3 °C (on 16 December 1964).
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
PentictonBritish Columbia
- coords
- 49.48°, -119.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.7°C
Average daily high
10.1°C
Average daily low
1.4°C
Annual rainfall
652mm
Sunshine / day
9.6h
Mean relative humidity
68%
Average peak wind
9.1km/h
Seasonal range
22.6°C
Frost days (< 0 °C)
157 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
197.2 cm
Average feels-like high
7.5 °C
Average feels-like low
-1.5 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °C
since 1940
+0.4 °C per decade · r² = 0.65 · 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
39.9 °C
30 June 2021
Coldest day
-32.3 °C
16 December 1964
Wettest day
45 mm
20 October 2003
Windiest day
24.6 km/h
12 October 1984
Strongest gust
89.6 km/h
19 November 2009
Hottest feels-like
40.3 °C
29 June 2021
Coldest feels-like
-37.9 °C
16 December 1964
Snowiest day
21.1 cm
21 December 2020
Sunniest day
16.0 h
9 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 | -0.6 °C | +2.1 °C | 25 mm | -37 mm |
| Feb | -1.7 °C | -2.2 °C | 57 mm | +5 mm |
| Mar | 7.2 °C | +2.9 °C | 99 mm | +40 mm |
| Apr | 13.0 °C | +4.0 °C | 39 mm | -11 mm |
| May | 17.4 °C | +2.2 °C | 42 mm | -14 mm |
| Jun | 21.7 °C | +2.6 °C | 34 mm | -19 mm |
| Jul | 25.3 °C | +1.6 °C | 14 mm | -16 mm |
| Aug | 25.9 °C | +2.7 °C | 19 mm | -11 mm |
| Sep | 23.3 °C | +5.2 °C | 20 mm | -20 mm |
| Oct | 10.5 °C | +0.2 °C | 64 mm | +2 mm |
| Nov | 5.4 °C | +3.2 °C | 113 mm | +30 mm |
| Dec | 2.6 °C | +4.5 °C | 150 mm | +76 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 Penticton?
Penticton has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.7 °C and it receives 652 mm of precipitation per year.
What is the hottest day ever recorded in Penticton?
The hottest day measured in Penticton between 1940 and 2025 was 30 June 2021, reaching 39.9 °C.
What is the coldest day in Penticton?
The coldest day measured in Penticton between 1940 and 2025 was 16 December 1964, at -32.3 °C.
Does it snow in Penticton?
Yes. Penticton gets on average 197.2 cm of snow per year and has around 157 frost days.
Has the climate of Penticton warmed?
Yes: Penticton warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Penticton?
The wettest day measured in Penticton between 1940 and 2025 was 20 October 2003, with 45 mm of rain in 24 hours.
What was the windiest day in Penticton?
The windiest day measured in Penticton between 1940 and 2025 was 12 October 1984, with winds reaching 24.6 km/h.
What is the warmest month in Penticton?
The warmest month in Penticton is July (17.4 °C on average); the coldest is January (-5.2 °C).
How much does it rain in Penticton?
Penticton receives on average 652 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Penticton?
Penticton gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Penticton?
The heaviest 24-hour snowfall measured in Penticton between 1940 and 2025 was 21 December 2020, with 21.1 cm.
Are there tropical nights in Penticton?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Penticton.
What was the most extreme apparent temperature in Penticton?
In Penticton, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 29 June 2021, and the lowest was -37.9 °C on 16 December 1964.
Compare Penticton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Penticton