Best year time to visit Oswego

General weather information about Oswego

Average annual temperature is 18.7 °C

Absolute maximum temperature: 38.1 °C

Absolute minimum temperature: -2.1 °C

Number of sunny days: 193 days

Number of rainy days: 172 days

Look at detailed online map of Oswego

* 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)22.727.630.230.833.933.237.338.133.428.826.622.9
Average daytime temperature (°C)16.019.721.325.226.330.034.133.428.523.918.315.7
Average temperature (°C)10.813.815.118.620.724.428.427.823.218.412.710.2
Average night temperature (°C)6.59.59.913.015.619.523.823.218.513.78.16.1
Absolute minimum temperature (°C)-2.1-1.40.05.07.814.720.321.014.87.2-0.7-2.1

Oswego monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.17.78.59.89.811.111.411.010.28.87.56.6
Precipitation (mm)1341227413390133134164544867164
Sunny days16141915161061119252121
Rainy days1514121515202520116910
Snow days000000000000

Best time to visit Oswego:

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

  • July — 11.4(h)

The largest precipitation sum in Oswego is at

  • August — 164(mm)
  • December — 164(mm)
  • 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.