Climate and monthly weather forecastSeward, IL
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
The most humid month is January, with an average relative humidity of 86%.
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.
Throughout the year, there are 100.6 rainfall days, and 7.99" (203mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 8.1 days and accumulates 1.42" (36mm) of snow.
Throughout the year, in Seward, Illinois, there are 29.5 snowfall days, and 3.66" (93mm) of snow is accumulated.
With an average of 3.7h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
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.
April and October, with an average relative humidity of 75%, are the least humid months.
May is the month with the most rainfall in Seward, Illinois. Rain falls for 13.8 days and accumulates 1.18" (30mm) of precipitation.
In Seward, Illinois, snow does not fall in May through September.
The month with the longest days in Seward is June, with an average of 15h and 12min of daylight.
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).
The month with the most sunshine is July, with an average of 9.8h of sunshine.
July is the month with the highest UV index in Seward, with an average maximum UV index of 6.
December has the shortest days of the year in Seward, Illinois, with an average of 9h and 12min of daylight.
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 in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
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 in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.7mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
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
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 in January:
0.35" - Average rainfall in February:
0.35" - Average rainfall in March:
0.47" - Average rainfall in April:
0.91" - Average rainfall in May:
1.18" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.59" - Average rainfall in September:
0.63" - Average rainfall in October:
0.67" - Average rainfall in November:
0.39" - Average rainfall in December:
0.39"
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 in January:
3.2 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4.6 days
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
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 in January:
8.1 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
6.6 days
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 in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 54min
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 in January:
21.9 days - Average sunshine days in February:
19.2 days - Average sunshine days in March:
20.3 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
18 days - Average sunshine days in September:
20 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
22.6 days
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 UV index
Seward, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Seward, IL
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).
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).
