Ottawa, KS Weather & Climate Normals
Ottawa's real weather, in one number
Ottawa, KS scores 42/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Ottawa's hottest and coldest months
Ottawa's hottest month is Jul, averaging 78°F; its coldest is Jan, averaging 29°F, a 49.3°F swing across the year, one of the widest gaps in this dataset.
Ottawa's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 18°F | 1.22in | 3.2in |
| Feb | 46°F | 22°F | 1.57in | 2.1in |
| Mar | 56°F | 32°F | 2.29in | 0.7in |
| Apr | 66°F | 42°F | 3.79in | 0in |
| May | 75°F | 53°F | 5.82in | 0in |
| Jun | 84°F | 63°F | 5.55in | 0in |
| Jul | 89°F | 68°F | 3.75in | 0in |
| Aug | 88°F | 65°F | 4.63in | 0in |
| Sep | 80°F | 56°F | 4.05in | 0in |
| Oct | 69°F | 44°F | 3.08in | 0.1in |
| Nov | 55°F | 32°F | 2.39in | 0.5in |
| Dec | 43°F | 22°F | 1.71in | 2.6in |
May, Jun, Sep, and Oct are the best time to see Ottawa at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Ottawa
Ottawa averages 39.85in of precipitation a year across roughly 102 days with measurable rain or snow, and 9.2in of snow a year.
Where Ottawa ranks
Ottawa ranks 4234 of 4876 US cities in this dataset for comfort score, and 42 of 63 within KS. About 12,733 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Ottawa, KS US, 1.4 miles from Ottawa, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure