Riggins, ID
Climate overview — based on NOAA 1991-2020 normals from RIGGINS, ID US.
Year-round temperatures (°F)
Climate summary
Riggins has an annual average temperature of 50.2°F with about 17.4 inches of precipitation per year and 7.1 inches of snow. The warmest month is August (average high 90.0°F), and the coldest is December (average low 24.5°F). May is typically the wettest month (2.17 in) and August the driest (0.73 in). Snow typically falls from November through February.
Best time to visit Riggins
Full guide →Climate change signal
All-time records →20 of 366 (5.5%) of Riggins's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 7 | |
| 1900s | 8 | |
| 1910s | 13 | |
| 1930s | 19 | |
| 1940s | 40 | |
| 1950s | 46 | |
| 1960s | 58 | |
| 1970s | 32 | |
| 1980s | 36 | |
| 1990s | 36 | |
| 2000s | 46 | |
| 2010s | 7 | |
| 2020s | 18 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 40.5°F | 24.6°F | 32.6°F | 1.31 in | 2.1 in | 12 |
| February | 46.1°F | 25.7°F | 35.9°F | 1.40 in | 2.3 in | 10 |
| March | 54.9°F | 30.3°F | 42.6°F | 1.81 in | 0.1 in | 13 |
| April | 62.1°F | 34.6°F | 48.4°F | 2.03 in | — | 14 |
| May | 70.7°F | 41.1°F | 55.9°F | 2.17 in | — | 13 |
| June | 77.7°F | 46.9°F | 62.3°F | 1.72 in | — | 10 |
| July | 89.8°F | 52.4°F | 71.1°F | 0.76 in | — | 5 |
| August | 90.0°F | 52.1°F | 71.0°F | 0.73 in | — | 4 |
| September | 79.5°F | 45.4°F | 62.4°F | 1.16 in | — | 5 |
| October | 63.5°F | 36.3°F | 49.9°F | 1.48 in | — | 8 |
| November | 48.3°F | 29.2°F | 38.7°F | 1.43 in | 0.6 in | 12 |
| December | 39.6°F | 24.5°F | 32.0°F | 1.44 in | 2.0 in | 12 |
Climate twins of Riggins
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).