Oswego, NY Weather & Climate Normals
What a normal year in Oswego actually looks like
On the 30-year record NOAA keeps for Oswego, NY, the comfort score comes out to 49/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Oswego's weather actually swings
Average temperatures in Oswego run from 23°F in Jan up to 70°F in Jul, a 46.8°F seasonal swing, one of the widest gaps in this dataset.
Oswego, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 31°F | 16°F | 2.69in |
| Feb | 33°F | 17°F | 2.16in |
| Mar | 41°F | 25°F | 2.62in |
| Apr | 55°F | 35°F | 3.27in |
| May | 68°F | 46°F | 3.49in |
| Jun | 76°F | 55°F | 3.24in |
| Jul | 80°F | 60°F | 3.7in |
| Aug | 79°F | 59°F | 3.28in |
| Sep | 72°F | 51°F | 3.62in |
| Oct | 59°F | 42°F | 4.48in |
| Nov | 47°F | 32°F | 3.83in |
| Dec | 36°F | 23°F | 3.18in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Oswego's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Oswego actually gets
Oswego averages 39.56in of precipitation a year across roughly 181 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Oswego against the rest of the country
Out of 4876 cities scored here, Oswego comes in at 2138; within NY alone it ranks 76 of 170. Population is about 17,047.
Checking the actual forecast
These figures come from Fulton Oswego Co Ap, NY US, the NOAA station 9.6 miles from Oswego, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is