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Climate guideThirty-year normals for Pendleton, Oregon
Pendleton climate by month
Hot-summer Mediterranean · CsaBest Jun · Sep–Oct
Annual mean53°day and night
Seasonal swing39°warmest vs coolest
Precipitation15.7 in105 wet days a year
45.67° N, 118.79° WElevation 1,066 ftUTC−7 · Pacific Daylight Time
When to goPendleton · weather score
Best timeJun · Sep–Oct
October: high / low66° / 39°
iSummary
What the weather is like
Pendleton has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is July, when afternoons average 91° and nights 57°. December is the coolest month, with highs of 43° and lows of 28°. The difference between the warmest and the coolest month is about 39°, a large swing typical of continental interiors.
About 15.7 in of precipitation falls in an average year. December is the wettest month (1.7 in, 14 wet days) and July the driest (0.4 in, 2 wet days). Cloud cover ranges from 14% in July to 48% in January.
Compared with Washington, the capital, Pendleton is 0.8° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 91° · July
- Coldest nights
- 28° · December
- Wettest month
- December
- Driest month
- July
- Clearest skies
- July · 14% cloud
- Longest day
- 15 h 41 min
- Shortest day
- 8 h 42 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 | 44° | 49° | 57° | 64° | 73° | 80° | 91° | 90° | 80° | 66° | 52° | 43° |
| Average low | 28° | 30° | 34° | 39° | 46° | 51° | 57° | 56° | 48° | 39° | 32° | 28° |
| Precipitation | 1.7 in | 1.4 in | 1.8 in | 1.5 in | 1.7 in | 1.3 in | 0.4 in | 0.4 in | 0.7 in | 1.2 in | 1.9 in | 1.7 in |
| Wet days (≥1 mm) | 12 | 11.1 | 12.2 | 10.7 | 9.8 | 6.8 | 1.6 | 2.9 | 3.7 | 8.2 | 11.9 | 13.6 |
| Cloud cover | 48% | 43% | 43% | 39% | 34% | 26% | 14% | 14% | 19% | 30% | 44% | 46% |
| Daylight | 9h 05 | 10h 24 | 11h 53 | 13h 32 | 14h 55 | 15h 41 | 15h 21 | 14h 08 | 12h 34 | 10h 59 | 9h 30 | 8h 42 |
| Month score | 22 | 26 | 45 | 71 | 75 | 78 | 65 | 63 | 84 | 81 | 29 | 19 |
ivMonth by month
Pendleton in every month
January22
44° / 28°
1.7 in · 12 wet days
February26
49° / 30°
1.4 in · 11.1 wet days
March45
57° / 34°
1.8 in · 12.2 wet days
April71
64° / 39°
1.5 in · 10.7 wet days
May75
73° / 46°
1.7 in · 9.8 wet days
June78
80° / 51°
1.3 in · 6.8 wet days
July65
91° / 57°
0.4 in · 1.6 wet days
August63
90° / 56°
0.4 in · 2.9 wet days
September84
80° / 48°
0.7 in · 3.7 wet days
October81
66° / 39°
1.2 in · 8.2 wet days
November29
52° / 32°
1.9 in · 11.9 wet days
December19
43° / 28°
1.7 in · 13.6 wet days