Climate and monthly weather forecast
Williamsfield, IL

Share

Weather in January

January, like December, is another subzero cold winter month in Williamsfield, Illinois, with an average temperature varying between 17.8°F (-7.9°C) and 29.7°F (-1.3°C). January brings the lowest temperatures, with an average high of 29.7°F (-1.3°C) and an average low of 17.8°F (-7.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Williamsfield, Illinois, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34.5°F (1.4°C). January's transformation into February witnesses an average high-temperature of a cold 34.5°F (1.4°C), noting a minor change from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Williamsfield, Illinois, with an average temperature fluctuating between 48.2°F (9°C) and 33.3°F (0.7°C). March brings a rise in Williamsfield's average high-temperature, moving from an icy 34.5°F (1.4°C) in February to a chilly 48.2°F (9°C). Weather in March »

Weather in April

April in Williamsfield, Illinois, is a moderate spring month, with an average temperature fluctuating between 59.7°F (15.4°C) and 43.3°F (6.3°C). The start of April brings a shift in the average high-temperature, increasing from March's chilly 48.2°F (9°C) to a moderate 59.7°F (15.4°C). Weather in April »

Weather in May

May, the last month of the spring in Williamsfield, is an agreeable month, with an average temperature varying between 71.1°F (21.7°C) and 54.1°F (12.3°C). Williamsfield in May experiences an increase in the average high-temperature, moving from April's refreshing 59.7°F (15.4°C) to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer in Williamsfield, is a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.3°F (26.3°C). June's onset is marked by a subtle temperature increase, moving from a pleasant 71.1°F (21.7°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Williamsfield, Illinois, with an average temperature ranging between min 64.8°F (18.2°C) and max 81.1°F (27.3°C). July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.8°F (18.2°C). For July, the heat index is appraised at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Williamsfield, Illinois, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C). August's weather records an average high-temperature of a still moderately hot 80.2°F (26.8°C), showing little deviation from July. Weather in August »

Weather in September

September, the first month of the autumn in Williamsfield, is also a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 56.7°F (13.7°C). Williamsfield marks the start of September with an average high-temperature of a still warm 75.7°F (24.3°C), hinting at a slight fluctuation from August's 80.2°F (26.8°C). Weather in September »

Weather in October

October, like September, in Williamsfield, Illinois, is another refreshing autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.7°F (16.5°C). As September transitions to October, the average high-temperature falls from a warm 75.7°F (24.3°C) to a refreshing 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Williamsfield, is also a frosty month, with an average temperature fluctuating between 47.5°F (8.6°C) and 33.8°F (1°C). Williamsfield's November weather comes with a decrease in average high-temperatures, moving from a comfortable 61.7°F (16.5°C) in October to a frosty 47.5°F (8.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Williamsfield, Illinois, with an average temperature fluctuating between 35.8°F (2.1°C) and 25°F (-3.9°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 47.5°F (8.6°C) in November to a wintry 35.8°F (2.1°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Williamsfield?

In Williamsfield, January is the month with the lowest recorded average temperatures, measuring a high of 29.7°F (-1.3°C) and a low of 17.8°F (-7.9°C).

What is the driest month in Williamsfield?

January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in Williamsfield?

In Williamsfield, Illinois, during the entire year, the rain falls for 116.8 days and collects up to 13.98" (355mm) of precipitation.

When does it snow in Williamsfield?

January through April, October through December are months with snowfall in Williamsfield, Illinois.

What is the snowiest month in Williamsfield?

The month with the most snowfall in Williamsfield, Illinois, is January, when snow falls for 8.6 days and typically aggregates up to 1.81" (46mm) of snow.

How many days does it snow in Williamsfield?

In Williamsfield, during the entire year, snow falls for 26.8 days and aggregates up to 6.26" (159mm) of snow.

What is the month with the least sunshine in Williamsfield?

January has the least sunshine of the year in Williamsfield, with an average of 3.9h of sunshine.

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

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

When is Daylight Saving Time (DST) in Williamsfield?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamsfield, 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 wettest month in Williamsfield?

The month with the most rainfall in Williamsfield, Illinois, is May, when the rain falls for 15.2 days and typically aggregates up to 2.24" (57mm) of precipitation.

When it does not snow in Williamsfield?

May through September are months without snowfall in Williamsfield, Illinois.

When are the longest days in Williamsfield?

June has the longest days of the year in Williamsfield, Illinois, with an average of 15h and 6min of daylight.

What is the month with the most sunshine in Williamsfield?

June and July, with an average of 10h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in Williamsfield?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What month is the hottest in Williamsfield?

July, with average temperatures reaching a high of 81.1°F (27.3°C) and a low of 64.8°F (18.2°C), is the warmest month in Williamsfield.

What is the most humid month in Williamsfield?

July is the most humid month in Williamsfield, with an average relative humidity of 84%.

What is the least humid month in Williamsfield?

October is the least humid month in Williamsfield, Illinois, with an average relative humidity of 72%.

What is the month with the shortest days in Williamsfield?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Williamsfield, IL

Average temperature - Williamsfield, IL

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure
Williamsfield, IL

Average pressure - Williamsfield, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Williamsfield, IL

Average wind speed - Williamsfield, IL

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity
Williamsfield, IL

Average humidity - Williamsfield, IL

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Williamsfield, IL

Average rainfall - Williamsfield, IL

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Williamsfield, IL

Average rainfall days - Williamsfield, IL

The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).

Average snowfall
Williamsfield, IL

Average snowfall - Williamsfield, IL

The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Williamsfield, IL

Average snowfall days - Williamsfield, IL

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Williamsfield, IL

Average daylight / Average sunshine - Williamsfield, IL

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days
Williamsfield, IL

Average sunshine days - Williamsfield, IL

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).

Average UV index
Williamsfield, IL

Average UV index - Williamsfield, IL

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average visibility
Williamsfield, IL

Average visibility - Williamsfield, IL

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

Williamsfield, Illinois, USA

Weather forecast for your location

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