Monthly weather forecast and climate
Oswego, KS

January, like December, in Oswego, Kansas, is a wintry winter month, with average temperature varying between 27.5°F (-2.5°C) and 42.4°F (5.8°C). 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. Weather in January »

The last month of the winter, February, is a chilly month in Oswego, Kansas, with average temperature fluctuating between 31.3°F (-0.4°C) and 46.8°F (8.2°C). In Oswego, the average high-temperature in February is practically the same as in January - a chilly 46.8°F (8.2°C). Weather in February »

March, the first month of the spring, in Oswego, is a moderate month, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 41.2°F (5.1°C). In March, the average high-temperature rises, from a frosty 46.8°F (8.2°C) in February, to a moderate 58.3°F (14.6°C). Weather in March »

April is a comfortable spring month in Oswego, Kansas, with average temperature fluctuating between 67.1°F (19.5°C) and 48.7°F (9.3°C). In April, the average high-temperature marginally rises, from a moderate 58.3°F (14.6°C) in March, to an enjoyable 67.1°F (19.5°C). Weather in April »

The last month of the spring, May, is a warm month in Oswego, Kansas, with average temperature fluctuating between 57.9°F (14.4°C) and 75°F (23.9°C). In May, the average high-temperature marginally rises, from a comfortable 67.1°F (19.5°C) in April, to a warm 75°F (23.9°C). Weather in May »

June, the first month of the summer, in Oswego, is also a moderately hot month, with average temperature fluctuating between 85.8°F (29.9°C) and 68.4°F (20.2°C). In June, the average high-temperature rises, from a moderately hot 75°F (23.9°C) in May, to a still warm 85.8°F (29.9°C). Weather in June »

July in Oswego, Kansas, is a tropical summer month, with average temperature varying between 89.4°F (31.9°C) and 71.1°F (21.7°C). July is the warmest month, with an average high-temperature of 89.4°F (31.9°C) and an average low-temperature of 71.1°F (21.7°C). The average heat index is calculated to a scorching 105.4°F (40.8°C). Weather in July »

The last month of the summer, August, is another hot month in Oswego, Kansas, with average temperature ranging between max 87.6°F (30.9°C) and min 68.2°F (20.1°C). In Oswego, the average high-temperature in August is essentially the same as in July - a still hot 87.6°F (30.9°C). Weather in August »

September, the first month of the autumn, in Oswego, is also a moderately hot month, with average temperature ranging between max 80.1°F (26.7°C) and min 61.5°F (16.4°C). In September, the average high-temperature marginally drops, from a hot 87.6°F (30.9°C) in August, to a warm 80.1°F (26.7°C). Weather in September »

October, like September, is an agreeable autumn month in Oswego, Kansas, with temperature in the range of an average high of 68°F (20°C) and an average low of 50.5°F (10.3°C). In Oswego, the average high-temperature in October decreases, from a moderately hot 80.1°F (26.7°C) in September, to an agreeable 68°F (20°C). Weather in October »

November, the last month of the autumn, in Oswego, is also a moderate month, with average temperature ranging between max 56.1°F (13.4°C) and min 39.9°F (4.4°C). In November, the average high-temperature drops, from a pleasant 68°F (20°C) in October, to a mild 56.1°F (13.4°C). Weather in November »

December, the first month of the winter, in Oswego, is still a chilly month, with average temperature fluctuating between 31.3°F (-0.4°C) and 45.9°F (7.7°C). In Oswego, the average high-temperature in December drops, from a mild 56.1°F (13.4°C) in November, to a frosty 45.9°F (7.7°C). Weather in December »

What is the coldest month 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 in Oswego, Kansas.

How much does it rain in Oswego?

Throughout the year, in Oswego, Kansas, there are 108.5 rainfall days, and 12.44" (316mm) of precipitation is accumulated.

When does it snow in Oswego?

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

How much does it snow in Oswego?

In Oswego, during the entire year, snow falls for 9.9 days, and aggregates up to 1.46" (37mm) of snow.

What is the month with the least sunshine in Oswego?

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

When is the lowest UV index in Oswego?

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

What is the driest month in Oswego?

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

When does it snow the most in Oswego?

February is the month with the most snowfall in Oswego. Snow falls for 2.8 days and accumulates 0.67" (17mm) of snow.

When it does not snow in Oswego?

April, June through October are months without snowfall.

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 wettest month in Oswego?

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

When are the longest days in Oswego?

The month with the longest days is June, with an average of 14.7h of daylight.

When is the highest UV index in Oswego?

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

What is the warmest month in Oswego?

With an average high-temperature of 89.4°F (31.9°C) and an average low-temperature of 71.1°F (21.7°C), July is 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?

The least humid month is October, with an average relative humidity of 70%.

What is the month with the shortest days in Oswego?

With an average of 9.6h of daylight, December has the shortest days of the year in Oswego.
Average temperature - Oswego, KS
Average pressure - Oswego, KS

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

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).

Average rainfall - 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).

Average snowfall - Oswego, KS

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

Average snowfall days - Oswego, KS

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

Average daylight / Average sunshine - Oswego, KS

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.6h).

Average sunshine days - Oswego, KS

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

Average visibility - Oswego, KS

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