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Climate guideThirty-year normals for Penticton
Penticton climate by month
Warm-summer humid continental · DfbBest May · Jul · Sep
Annual mean10°day and night
Seasonal swing23°warmest vs coolest
Precipitation358 mm164 wet days a year
49.48° N, 119.59° WElevation 357 mUTC−7 · Pacific Daylight Time
When to goPenticton · weather score
Best timeMay · Jul · Sep
October: high / low15° / 6°
iSummary
What the weather is like
Penticton has a warm-summer humid continental climate (Köppen Dfb): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 30° and nights 14°. January is the coolest month, with highs of 1° and lows of -4°. The difference between the warmest and the coolest month is about 23°, a large swing typical of continental interiors.
About 358 mm of precipitation falls in an average year. December is the wettest month (37 mm, 19 wet days) and July the driest (26 mm, 7 wet days). Cloud cover ranges from 22% in August to 46% in November.
Compared with Ottawa, the capital, Penticton is 2.9° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · July
- Coldest nights
- -4° · January
- Wettest month
- December
- Driest month
- July
- Clearest skies
- August · 22% cloud
- Longest day
- 16 h 15 min
- Shortest day
- 8 h 11 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 1° | 6° | 12° | 16° | 22° | 25° | 30° | 30° | 24° | 15° | 7° | 1° |
| Average low | -4° | -2° | 1° | 4° | 8° | 11° | 14° | 14° | 11° | 6° | 0° | -3° |
| Precipitation | 32 mm | 24 mm | 24 mm | 24 mm | 38 mm | 43 mm | 26 mm | 25 mm | 24 mm | 29 mm | 32 mm | 37 mm |
| Wet days (≥1 mm) | 17.3 | 15.5 | 14.5 | 11.7 | 16.2 | 15.8 | 6.5 | 10 | 7.5 | 12.7 | 17.8 | 18.7 |
| Cloud cover | 45% | 41% | 41% | 40% | 36% | 33% | 23% | 22% | 26% | 37% | 46% | 45% |
| Daylight | 8h 38 | 10h 09 | 11h 51 | 13h 44 | 15h 21 | 16h 15 | 15h 52 | 14h 27 | 12h 38 | 10h 49 | 9h 07 | 8h 11 |
| Month score | 19 | 20 | 28 | 59 | 65 | 64 | 65 | 58 | 82 | 52 | 18 | 19 |
ivMonth by month
Penticton in every month
January19
1° / -4°
32 mm · 17.3 wet days
February20
6° / -2°
24 mm · 15.5 wet days
March28
12° / 1°
24 mm · 14.5 wet days
April59
16° / 4°
24 mm · 11.7 wet days
May65
22° / 8°
38 mm · 16.2 wet days
June64
25° / 11°
43 mm · 15.8 wet days
July65
30° / 14°
26 mm · 6.5 wet days
August58
30° / 14°
25 mm · 10 wet days
September82
24° / 11°
24 mm · 7.5 wet days
October52
15° / 6°
29 mm · 12.7 wet days
November18
7° / 0°
32 mm · 17.8 wet days
December19
1° / -3°
37 mm · 18.7 wet days