Climate and monthly weather forecast
Seward, IL

Share

Weather in January

January, the same as December, in Seward, Illinois, is another subzero cold winter month, with an average temperature varying between 14°F (-10°C) and 26.2°F (-3.2°C). The month of January sees the lowest average temperatures, reaching 26.2°F (-3.2°C) at the peak and 14°F (-10°C) at the low. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Seward, Illinois, with an average temperature varying between 30.4°F (-0.9°C) and 17.4°F (-8.1°C). In Seward, February's average high-temperature stands at a still subzero cold 30.4°F (-0.9°C), closely related to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Seward, Illinois, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.8°F (-1.2°C). March brings a rise in the average high-temperature, transitioning from February's subzero cold 30.4°F (-0.9°C) to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April is a mild spring month in Seward, Illinois, with an average temperature varying between 39.7°F (4.3°C) and 56.3°F (13.5°C). Seward sees an increase in the average high-temperature with the arrival of April, moving from March's frosty 44.2°F (6.8°C) to a moderate 56.3°F (13.5°C). Weather in April »

Weather in May

May, the last month of the spring in Seward, is a pleasant month, with an average temperature varying between 68.5°F (20.3°C) and 51.3°F (10.7°C). Observing a rise in May, the average high-temperature goes from April's moderate 56.3°F (13.5°C) to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Seward, Illinois, with an average temperature ranging between min 60.1°F (15.6°C) and max 77.2°F (25.1°C). In Seward, the average high-temperature in June slightly rises, from an agreeable 68.5°F (20.3°C) in May, to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July, like June, in Seward, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). July is the month when Seward sees the highest average temperatures, with a high of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Seward, Illinois, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 60.6°F (15.9°C). Entering August, the average high-temperature is recorded at a still moderately hot 78.1°F (25.6°C), exhibiting a minimal shift from July's 79.9°F (26.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Seward, Illinois, with an average temperature fluctuating between 72.7°F (22.6°C) and 54.3°F (12.4°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 78.1°F (25.6°C) to a pleasant 72.7°F (22.6°C). Weather in September »

Weather in October

October, the same as September, in Seward, Illinois, is another mild autumn month, with an average temperature varying between 43.7°F (6.5°C) and 59.5°F (15.3°C). A decrease in the average high-temperature is observed during October, shifting from an agreeable 72.7°F (22.6°C) in September to a moderate 59.5°F (15.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Seward, is also a frosty month, with an average temperature fluctuating between 44.8°F (7.1°C) and 31.8°F (-0.1°C). As November sets, the average high-temperature displays a significant decrease, moving down from a mild 59.5°F (15.3°C) in October to a frosty 44.8°F (7.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Seward, Illinois, with an average temperature ranging between min 22.5°F (-5.3°C) and max 32.5°F (0.3°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 44.8°F (7.1°C) to an icy 32.5°F (0.3°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Seward?

January is the coldest month of the year, registering average temperatures as high as 26.2°F (-3.2°C) and as low as 14°F (-10°C).

What is the most humid month in Seward?

The most humid month is January, with an average relative humidity of 86%.

What is the driest month in Seward?

The months with the least rainfall in Seward are January and February Rain falls for 3.2 days and accumulates 0.35" (9mm) of rain.

How many days does it rain in Seward?

Throughout the year, there are 100.6 rainfall days, and 7.99" (203mm) of precipitation is accumulated.

When does it snow in Seward?

January through April, October through December are months with snowfall.

What is the snowiest month in Seward?

January is the month with the most snowfall. Snow falls for 8.1 days and accumulates 1.42" (36mm) of snow.

How many days does it snow in Seward?

Throughout the year, in Seward, Illinois, there are 29.5 snowfall days, and 3.66" (93mm) of snow is accumulated.

What is the month with the least sunshine in Seward?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

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

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Seward?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Seward, Illinois, 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.

What is the least humid month in Seward?

April and October, with an average relative humidity of 75%, are the least humid months.

What is the wettest month in Seward?

May is the month with the most rainfall in Seward, Illinois. Rain falls for 13.8 days and accumulates 1.18" (30mm) of precipitation.

When it does not snow in Seward?

In Seward, Illinois, snow does not fall in May through September.

When are the longest days in Seward?

The month with the longest days in Seward is June, with an average of 15h and 12min of daylight.

What is the warmest month in Seward?

In Seward, Illinois, temperatures reach their average annual highs in July, measuring 79.9°F (26.6°C) and a minimum average of 63.1°F (17.3°C).

What month has the most sunshine in Seward?

The month with the most sunshine is July, with an average of 9.8h of sunshine.

When is the highest UV index in Seward?

July is the month with the highest UV index in Seward, with an average maximum UV index of 6.

What is the month with the shortest days in Seward?

December has the shortest days of the year in Seward, Illinois, with an average of 9h and 12min of daylight.

Average temperature
Seward, IL

Average temperature - Seward, IL

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.2°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average pressure
Seward, IL

Average pressure - Seward, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Seward, IL

Average wind speed - Seward, IL

The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity
Seward, IL

Average humidity - Seward, IL

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall
Seward, IL

Average rainfall - Seward, IL

The wettest month (with the highest rainfall) is May (1.18").
The driest months (with the least rainfall) are January and February (0.35").

Average rainfall days
Seward, IL

Average rainfall days - Seward, IL

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.2 days).

Average snowfall
Seward, IL

Average snowfall - Seward, IL

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Seward, IL

Average snowfall days - Seward, IL

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Seward, IL

Average daylight / Average sunshine - Seward, IL

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Seward, IL

Average sunshine days - Seward, IL

The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (12.8 days).

Average visibility
Seward, IL

Average visibility - Seward, IL

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

Seward, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location