Best year time to visit Oswego

General weather information about Oswego

Average annual temperature is 16.5 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -6.2 °C

Number of sunny days: 199 days

Number of rainy days: 166 days

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* Weather data for Oswego United States is based on climate observations for 2026 year

Oswego air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.726.228.829.329.732.535.736.335.328.126.920.7
Average daytime temperature (°C)13.816.017.222.824.028.532.931.827.822.716.313.9
Average temperature (°C)8.610.711.316.218.322.426.825.821.916.710.38.2
Average night temperature (°C)4.86.56.210.713.617.222.021.117.412.15.94.0
Absolute minimum temperature (°C)-2.3-6.2-1.82.87.211.019.316.713.06.4-4.6-2.7

Oswego monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.7
Daylight minimum duration (h)9.010.011.012.013.014.014.012.011.010.09.09.0
Sunshine mean duration (h)6.16.78.49.010.010.611.710.79.49.07.96.7
Precipitation (mm)73646917886521001011024746165
Sunny days151317151516121517222418
Rainy days1615141516141916139613
Snow days000000000000

Oswego - weather forecast by months

Oswego weather in januaryOswego weather in februaryOswego weather in marchOswego weather in aprilOswego weather in mayOswego weather in juneOswego weather in julyOswego weather in augustOswego weather in septemberOswego weather in octoberOswego weather in novemberOswego weather in december

Best time to visit Oswego:

The best time to visit Oswego during the most sunny months:

  • July — 11.7(h)

The largest precipitation sum in Oswego is at

  • April — 178(mm)
  • December — 165(mm)

    • Weather forecast in the closest to Oswego admin centers

    Weather forecast in the closest towns to Oswego

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    Frequently asked questions

    When is the best time to visit Oswego?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Oswego.
    What is the weather like in Oswego?
    See average temperature, rainfall and daylight hours for Oswego by month in the table above.
    How many sunny days does Oswego have?
    The monthly weather statistics above show sunshine and rainfall patterns for Oswego throughout the year.