Oswego (KS) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Oswego

Oswego average temperature chart (Celsius) Oswego average temperature chart (Fahrenheit)
Average monthly temperatures in Oswego (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.2 8.4 14.5 20.7 25 29.3 32.8 32 27.4 21.9 14.2 7.5
°F 41.4 47.1 58.1 69.2 76.9 84.8 91 89.7 81.4 71.4 57.5 45.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Oswego monthly rainfall chart (mm) Oswego monthly rainfall chart (inches)
Average monthly rainfall in Oswego (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 37 42 84 94 132 128 86 98 121 95 81 50
inches 1.5 1.7 3.3 3.7 5.2 5.1 3.4 3.9 4.8 3.7 3.2 2
Rainy days 7 7 9 10 11 9 7 8 8 7 7 7

Average annual rainfall in Oswego: 989.867mm (389.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Oswego

Oswego average daily sunshine chart
Average daily sunshine Oswego
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.2 6.5 7.5 8.6 9.3 10.4 11.3 10.2 8.4 7.5 5.8 5.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Oswego average minimum / maximum temperatures (Celsius) Oswego average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Oswego (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.5 -3.9 1.6 7.4 12.8 17.6 20.3 18.9 14.9 8.2 2 -3.8
Max °C 5.5 8.7 14.8 21 25.3 29.6 33.1 32.4 27.8 22.2 14.5 7.8
Min °F 20.3 25 34.9 45.3 55 63.7 68.5 65.9 58.7 46.8 35.5 25.2
Max °F 31.1 36.3 46.8 57.6 66.2 74.5 80.1 78.1 70.3 59.4 46.8 35.6

Sea temperature

The graph below shows the average sea temperature.

Oswego average sea temperature chart (Celsius) Oswego average sea temperature chart (Fahrenheit)
Average sea temperature around Oswego in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.8 11.5 12 13.4 15.5 17.9 20.3 22.4 21.3 18 15.1 13.1
°F 53.2 52.6 53.7 56.1 59.8 64.2 68.6 72.4 70.3 64.4 59.2 55.5

Wind speed

The graph below shows the average wind speed.

Oswego average winspeed by month (km/h) Oswego average winspeed by month (mph)
Average wind speed in Oswego (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 18 20 20 17 16 14 14 15 16 17 17
mph 11 11 13 12 11 10 9 9 9 10 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Oswego relative humidity averages
Average relative humidity in Oswego
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 68% 64% 63% 70% 70% 67% 68% 71% 67% 69% 71%

Other monthly averages

UV index Best time to go?

Oswego weather stats

Oswego weather statistics
Hottest month: July 32.8°C 91°F
Driest month: January 37mm 1.5ins
Sunniest month: July 11.3hrs
Coldest month: January 5.2°C 41.4°F
Wettest month: May 132mm 5.2ins
Warmest sea: August 22.4°C 72.3°F
Map showing location of Oswego (37.16757, -95.10996) Oswego map pin © Google

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