Ottawa, KS
Climate overview — based on NOAA 1991-2020 normals from OTTAWA, KS US.
Year-round temperatures (°F)
Climate summary
Ottawa has an annual average temperature of 54.5°F with about 39.9 inches of precipitation per year and 9.2 inches of snow. The warmest month is July (average high 89.3°F), and the coldest is January (average low 18.2°F). May is typically the wettest month (5.82 in) and January the driest (1.22 in). Snow typically falls from November through March.
Best time to visit Ottawa
Full guide →Climate change signal
All-time records →20 of 366 (5.5%) of Ottawa'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 | 9 | |
| 1900s | 24 | |
| 1910s | 39 | |
| 1920s | 13 | |
| 1930s | 84 | |
| 1940s | 18 | |
| 1950s | 57 | |
| 1960s | 26 | |
| 1970s | 10 | |
| 1980s | 24 | |
| 1990s | 16 | |
| 2000s | 19 | |
| 2010s | 13 | |
| 2020s | 14 |
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 | 39.9°F | 18.2°F | 29.0°F | 1.22 in | 3.2 in | 7 |
| February | 45.5°F | 22.0°F | 33.8°F | 1.57 in | 2.1 in | 6 |
| March | 56.0°F | 31.5°F | 43.7°F | 2.29 in | 0.7 in | 8 |
| April | 65.9°F | 41.6°F | 53.7°F | 3.79 in | — | 10 |
| May | 75.2°F | 53.3°F | 64.3°F | 5.82 in | — | 13 |
| June | 84.4°F | 63.2°F | 73.8°F | 5.55 in | — | 10 |
| July | 89.3°F | 67.6°F | 78.4°F | 3.75 in | — | 9 |
| August | 88.2°F | 65.0°F | 76.6°F | 4.63 in | — | 9 |
| September | 80.3°F | 56.0°F | 68.2°F | 4.05 in | — | 8 |
| October | 68.7°F | 43.8°F | 56.3°F | 3.08 in | 0.1 in | 9 |
| November | 54.8°F | 31.7°F | 43.2°F | 2.39 in | 0.5 in | 7 |
| December | 43.4°F | 22.4°F | 32.9°F | 1.71 in | 2.6 in | 6 |
Climate twins of Ottawa
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).