Climate Riley - Oregon
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 36 | 41 | 49 | 56 | 65 | 74 |
| Average low in ºF Av. low Lo | 17 | 20 | 26 | 29 | 35 | 43 |
| Av. precipitation in inch Av. precip. Pre. | 1.01 | 1.00 | 1.04 | 1.15 | 1.37 | 0.78 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 83 | 75 | 62 | 45 | 35 |
| Average low in ºF Av. low Lo | 51 | 48 | 40 | 31 | 23 | 17 |
| Av. precipitation in inch Av. precip. Pre. | 0.48 | 0.52 | 0.49 | 0.87 | 1.20 | 1.52 |
What is the average weather in Riley, Oregon?
Riley experiences a humid continental climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are warm and notably dry, while winters are cold and bring the majority of the area's precipitation. Overall, Riley is quite dry, with moisture arriving more abundantly in the cooler months.
Riley Climate Graph - Oregon Climate Chart
Daily normals Riley - Oregon - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 35.6 | 15.7 | 0.03 | 0.03 | 0.00 | 0.00 |
| 2 Jan | 35.7 | 15.8 | 0.07 | 0.07 | 0.00 | 0.00 |
| 3 Jan | 35.8 | 15.9 | 0.10 | 0.10 | 0.00 | 0.00 |
| 4 Jan | 35.9 | 16.0 | 0.14 | 0.14 | 0.00 | 0.00 |
| 5 Jan | 36.1 | 16.1 | 0.17 | 0.17 | 0.00 | 0.00 |
| 6 Jan | 36.2 | 16.2 | 0.20 | 0.20 | 0.00 | 0.00 |
| 7 Jan | 36.3 | 16.3 | 0.24 | 0.24 | 0.00 | 0.00 |
| 8 Jan | 36.4 | 16.4 | 0.27 | 0.27 | 0.00 | 0.00 |
| 9 Jan | 36.5 | 16.5 | 0.30 | 0.30 | 0.00 | 0.00 |
| 10 Jan | 36.5 | 16.6 | 0.33 | 0.33 | 0.00 | 0.00 |
| 11 Jan | 36.6 | 16.7 | 0.37 | 0.37 | 0.00 | 0.00 |
| 12 Jan | 36.7 | 16.8 | 0.40 | 0.40 | 0.00 | 0.00 |
| 13 Jan | 36.7 | 16.9 | 0.43 | 0.43 | 0.00 | 0.00 |
| 14 Jan | 36.7 | 17.0 | 0.46 | 0.46 | 0.00 | 0.00 |
| 15 Jan | 36.8 | 17.1 | 0.50 | 0.50 | 0.00 | 0.00 |
| 16 Jan | 36.8 | 17.2 | 0.53 | 0.53 | 0.00 | 0.00 |
| 17 Jan | 36.8 | 17.3 | 0.56 | 0.56 | 0.00 | 0.00 |
| 18 Jan | 36.8 | 17.4 | 0.60 | 0.60 | 0.00 | 0.00 |
| 19 Jan | 36.8 | 17.4 | 0.63 | 0.63 | 0.00 | 0.00 |
| 20 Jan | 36.8 | 17.5 | 0.67 | 0.67 | 0.00 | 0.00 |
| 21 Jan | 36.9 | 17.6 | 0.70 | 0.70 | 0.00 | 0.00 |
| 22 Jan | 36.9 | 17.7 | 0.73 | 0.73 | 0.00 | 0.00 |
| 23 Jan | 36.9 | 17.7 | 0.76 | 0.76 | 0.00 | 0.00 |
| 24 Jan | 36.9 | 17.8 | 0.80 | 0.80 | 0.00 | 0.00 |
| 25 Jan | 36.9 | 17.9 | 0.83 | 0.83 | 0.00 | 0.00 |
| 26 Jan | 36.9 | 17.9 | 0.86 | 0.86 | 0.00 | 0.00 |
| 27 Jan | 36.9 | 18.0 | 0.90 | 0.90 | 0.00 | 0.00 |
| 28 Jan | 36.9 | 18.0 | 0.93 | 0.93 | 0.00 | 0.00 |
| 29 Jan | 37.0 | 18.1 | 0.96 | 0.96 | 0.00 | 0.00 |
| 30 Jan | 37.0 | 18.2 | 1.00 | 1.00 | 0.00 | 0.00 |
| 31 Jan | 37.1 | 18.2 | 1.03 | 1.03 | 0.00 | 0.00 |
Weather history Riley - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 79.2 | 50.7 | 0.00 | - | - |
| 02 Sep | 62.4 | 41.2 | 0.10 | - | - |
| 03 Sep | 48.2 | 40.1 | 0.47 | - | - |
| 04 Sep | 59.4 | 38.5 | 0.00 | - | - |
| 05 Sep | 64.9 | 37.6 | 0.00 | - | - |
| 06 Sep | 55.0 | 40.1 | 0.27 | - | - |
| 07 Sep | 62.8 | 38.5 | 0.00 | - | - |
| 08 Sep | 73.4 | 35.1 | 0.00 | - | - |
| 09 Sep | 82.6 | 36.5 | 0.00 | - | - |
| 10 Sep | 85.3 | 41.5 | 0.00 | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Riley
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 67.3 ºF | 36 ºF | |
| Average low temperature Av. low temp. | 40.0 ºF | 17 ºF | |
| Total precipitation Total precip. | 0.84 inch | 1.01 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 85.3 ºF | - | |
| Lowest max temperature Lowest max temp. | 48.2 ºF | - | |
| Highest min temperature Highest min temp. | 50.7 ºF | - | |
| Lowest min temperature Lowest min temp. | 35.1 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Riley - Oregon
| Country | United States | |
|---|---|---|
| State | Oregon | |
| County | - | |
| City | Riley | |
| Zip Code | 97758 | |
| Longitude | -119.5 dec. degr. | |
| Latitude | 43.54 dec. degr. | |
| Altitude - Elevation | 4226ft | |
| ICAO | - | |
| IATA | - |
Date and Time Riley - Oregon
| Local Time | 09:24 PM | |
|---|---|---|
| Sunrise | 06:34 AM | |
| Sunset | 07:13 PM | |
| Day/Night | Night | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Riley - Oregon
USGS National Map — Open interactive map
Riley weather averages
| Annual high temperature | 59ºF |
| Annual low temperature | 32ºF |
| Average annual precip. | 11.43 inch |
Station Data
Monthly averages Riley
Longitude: -119.504, Latitude: 43.5415
Average weather Riley, OR - 97758
Monthly: 1991-2020 normals
History: 2015-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...