Climate and monthly weather forecast
Oswego, KS

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Weather in January

January, like December, in Oswego, Kansas, is a wintry winter month, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 27.5°F (-2.5°C). January, with an average high of 42.4°F (5.8°C) and a low of 27.5°F (-2.5°C), signifies the coldest month of the year. Weather in January »

Weather in February

February, the last month of the winter in Oswego, is a frosty month, with an average temperature ranging between max 46.8°F (8.2°C) and min 31.3°F (-0.4°C). The shift into February records an average high-temperature of a frosty 46.8°F (8.2°C), subtly varied from January's 42.4°F (5.8°C). Weather in February »

Weather in March

March, the first month of the spring in Oswego, is a moderate month, with an average temperature varying between 41.2°F (5.1°C) and 58.3°F (14.6°C). The average high-temperature increases in March, moving from a chilly 46.8°F (8.2°C) in February to a mild 58.3°F (14.6°C). Weather in March »

Weather in April

April is an enjoyable spring month in Oswego, Kansas, with an average temperature ranging between min 48.7°F (9.3°C) and max 67.1°F (19.5°C). As Oswego transitions into April, a marginal rise in the average high-temperature is observed, moving from a moderate 58.3°F (14.6°C) in March to an enjoyable 67.1°F (19.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Oswego, Kansas, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75°F (23.9°C). May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's comfortable 67.1°F (19.5°C) to a moderately hot 75°F (23.9°C). Weather in May »

Weather in June

June, the first month of the summer in Oswego, is still a warm month, with temperature in the range of an average low of 68.4°F (20.2°C) and an average high of 85.8°F (29.9°C). Oswego's weather shows a temperature rise with the arrival of June, moving from a moderately hot 75°F (23.9°C) in May to a still warm 85.8°F (29.9°C). Weather in June »

Weather in July

July in Oswego, Kansas, is a hot summer month, with an average temperature varying between 71.1°F (21.7°C) and 89.4°F (31.9°C). Oswego's temperatures tend to reach their peak averages in July, with a high of 89.4°F (31.9°C) and a low of 71.1°F (21.7°C). In July, the heat index is estimated at an extremely hot 105.8°F (41°C). Weather in July »

Weather in August

August, the last month of the summer in Oswego, is another hot month, with an average temperature fluctuating between 87.6°F (30.9°C) and 68.2°F (20.1°C). The weather during August records an average high-temperature of a still hot 87.6°F (30.9°C), closely mirroring the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Oswego, is also a moderately hot month, with an average temperature varying between 61.5°F (16.4°C) and 80.1°F (26.7°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from a hot 87.6°F (30.9°C) in August to a moderately hot 80.1°F (26.7°C). Weather in September »

Weather in October

October, the same as September, in Oswego, Kansas, is another pleasant autumn month, with an average temperature ranging between min 50.5°F (10.3°C) and max 68°F (20°C). Oswego's progression into October involves a drop in the average high-temperature, receding from a warm 80.1°F (26.7°C) in September to a pleasant 68°F (20°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Oswego, Kansas, with an average temperature fluctuating between 56.1°F (13.4°C) and 39.9°F (4.4°C). November's onset corresponds with a shift in the average high-temperature, moving from an agreeable 68°F (20°C) in October to a refreshing 56.1°F (13.4°C). Weather in November »

Weather in December

December, the first month of the winter in Oswego, is also a frosty month, with an average temperature ranging between min 31.3°F (-0.4°C) and max 45.9°F (7.7°C). With December's onset, the average high-temperature recedes from November's mild 56.1°F (13.4°C) to a frosty 45.9°F (7.7°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Oswego?

With an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 27.5°F (-2.5°C), January is the coldest month.

How many days does it rain in Oswego?

In Oswego, Kansas, during the entire year, the rain falls for 108.5 days and collects up to 12.44" (316mm) of precipitation.

When does it snow in Oswego?

January through March, May, November and December are months with snowfall in Oswego, Kansas.

How much does it snow in Oswego?

Throughout the year, there are 9.9 snowfall days, and 1.46" (37mm) of snow is accumulated.

What is the month with the least sunshine in Oswego?

January has the least sunshine of the year in Oswego, Kansas, with an average of 5.6h of sunshine.

What is the month with the lowest UV index in Oswego?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

What is the driest month in Oswego?

February is the month with the least rainfall in Oswego. Rain falls for 6.2 days and accumulates 0.55" (14mm) of precipitation.

What is the snowiest month in Oswego?

The month with the most snowfall in Oswego is February, when snow falls for 2.8 days and typically aggregates up to 0.67" (17mm) of snow.

When is Daylight Saving Time (DST) in Oswego?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Oswego?

In Oswego, snow does not fall in April, June through October.

What is the most humid month in Oswego?

The most humid month in Oswego, Kansas, is May, with an average relative humidity of 79%.

What is the rainiest month in Oswego?

May is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.4" (61mm) of precipitation.

When are the longest days in Oswego?

June has the longest days of the year in Oswego, Kansas, with an average of 14h and 42min of daylight.

When is the highest UV index in Oswego?

June is the month with the highest UV index, with an average maximum UV index of 7.

What month is the hottest in Oswego?

With its average high temperature of 89.4°F (31.9°C) and a low of 71.1°F (21.7°C), July is regarded as the warmest month in Oswego, Kansas.

What month has the most sunshine in Oswego?

The month with the most sunshine in Oswego, Kansas, is July, with an average of 10.8h of sunshine.

What is the least humid month in Oswego?

With an average relative humidity of 70%, October is the least humid month.

What is the month with the shortest days in Oswego?

December has the shortest days of the year in Oswego, with an average of 9h and 42min of daylight.

Average temperature
Oswego, KS

Average temperature - Oswego, KS

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (42.4°F).

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure
Oswego, KS

Average pressure - Oswego, KS

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Oswego, KS

Average wind speed - Oswego, KS

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average rainfall
Oswego, KS

Average rainfall - Oswego, KS

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days
Oswego, KS

Average rainfall days - Oswego, KS

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is December (4.9 days).

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Average snowfall
Oswego, KS

Average snowfall - Oswego, KS

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days
Oswego, KS

Average snowfall days - Oswego, KS

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Oswego, KS

Average daylight / Average sunshine - Oswego, KS

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days
Oswego, KS

Average sunshine days - Oswego, KS

The month with the most sunshine days is December (23.4 days).
The months with the least sunshine days are June and July (14.8 days).

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Average visibility
Oswego, KS

Average visibility - Oswego, KS

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Oswego, Kansas, USA

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