Climate and monthly weather forecast
Williamston, MI

Weather in January

January, the same as December, in Williamston, Michigan, is another subzero cold winter month, with an average temperature ranging between max 27.7°F (-2.4°C) and min 17.1°F (-8.3°C). With an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 17.1°F (-8.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Williamston, Michigan, with an average temperature varying between 18°F (-7.8°C) and 30.6°F (-0.8°C). In Williamston, the average high-temperature in February is practically the same as in January - a still subzero cold 30.6°F (-0.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Williamston, Michigan, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 27.1°F (-2.7°C). In Williamston, Michigan, the average high-temperature in March rises from a subzero cold 30.6°F (-0.8°C) in February to a wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April in Williamston, Michigan, is a fresh spring month, with an average temperature fluctuating between 36.9°F (2.7°C) and 54.1°F (12.3°C). In Williamston, the average high-temperature in April rises from a wintry 41.5°F (5.3°C) in March to a cool 54.1°F (12.3°C). Weather in April »

Weather in May

May, the last month of the spring in Williamston, is an enjoyable month, with an average temperature varying between 48.6°F (9.2°C) and 66.6°F (19.2°C). In May, the average high-temperature increases from a fresh 54.1°F (12.3°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »

Weather in June

June, the first month of the summer in Williamston, is a warm month, with an average temperature varying between 74.3°F (23.5°C) and 56.5°F (13.6°C). In Williamston, the average high-temperature in June marginally rises from a comfortable 66.6°F (19.2°C) in May to a moderately hot 74.3°F (23.5°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Williamston, Michigan, with an average temperature fluctuating between 79°F (26.1°C) and 61.2°F (16.2°C). The warmest month is July, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 61.2°F (16.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Williamston, Michigan, with an average temperature ranging between max 77.5°F (25.3°C) and min 59.5°F (15.3°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 77.5°F (25.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Williamston, Michigan, with an average temperature ranging between min 52.9°F (11.6°C) and max 71.2°F (21.8°C). In September, the average high-temperature slightly decreases from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.2°F (21.8°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Williamston, Michigan, with an average temperature varying between 43.3°F (6.3°C) and 58.3°F (14.6°C). In October, the average high-temperature decreases from an agreeable 71.2°F (21.8°C) in September to a moderate 58.3°F (14.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Williamston, Michigan, with an average temperature fluctuating between 32.4°F (0.2°C) and 44.8°F (7.1°C). In November, the average high-temperature decreases from a moderate 58.3°F (14.6°C) in October to a chilly 44.8°F (7.1°C). Weather in November »

Weather in December

December, the first month of the winter in Williamston, is still a cold month, with an average temperature fluctuating between 25°F (-3.9°C) and 33.3°F (0.7°C). In December, the average high-temperature decreases from a chilly 44.8°F (7.1°C) in November to a wintry 33.3°F (0.7°C). Weather in December »
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FAQ

What is the coldest month in Williamston?

The coldest month in Williamston is January, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 17.1°F (-8.3°C).

What is the most humid month in Williamston?

The months with the highest humidity in Williamston, Michigan, are January and February, with an average relative humidity of 87%.

How much does it rain in Williamston?

In Williamston, during the entire year, the rain falls for 150.4 days and collects up to 24.65" (626mm) of precipitation.

When does it snow in Williamston?

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

How many days does it snow in Williamston?

In Williamston, Michigan, during the entire year, snow falls for 66.3 days and aggregates up to 19.17" (487mm) of snow.

What is the month with the least sunshine in Williamston?

With an average of 2.7h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in Williamston?

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

What is the snowiest month in Williamston?

The month with the most snowfall in Williamston, Michigan, is February, when snow falls for 15.6 days and typically aggregates up to 5.51" (140mm) of snow.

When is Daylight Saving Time (DST) in Williamston?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Williamston, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Williamston?

With an average relative humidity of 77%, April is the least humid month.

What is the wettest month in Williamston?

May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.99" (76mm) of precipitation.

When is the highest UV index in Williamston?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow in Williamston?

In Williamston, snow does not fall in June through September.

When are the longest days in Williamston?

June has the longest days of the year, with an average of 15h and 16min of daylight.

What is the warmest month in Williamston?

July is the warmest month, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 61.2°F (16.2°C).

What month has the most sunshine in Williamston?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month in Williamston?

The month with the least rainfall in Williamston, Michigan, is December, when the rain falls for 8.6 days and typically collects 1.42" (36mm) of precipitation.

What is the month with the shortest days in Williamston?

The month with the shortest days in Williamston, Michigan, is December, with an average of 9h and 6min of daylight.

Average temperature
Williamston, MI

Average temperature - Williamston, MI

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure
Williamston, MI

Average pressure - Williamston, MI

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Williamston, MI

Average wind speed - Williamston, MI

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity
Williamston, MI

Average humidity - Williamston, MI

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

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Average rainfall
Williamston, MI

Average rainfall - Williamston, MI

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (1.42").

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Average rainfall days
Williamston, MI

Average rainfall days - Williamston, MI

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall
Williamston, MI

Average snowfall - Williamston, MI

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Williamston, MI

Average snowfall days - Williamston, MI

The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Williamston, MI

Average daylight / Average sunshine - Williamston, MI

The month with the longest days is June (Average daylight: 15h and 16min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days
Williamston, MI

Average sunshine days - Williamston, MI

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index
Williamston, MI

Average UV index - Williamston, MI

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average visibility
Williamston, MI

Average visibility - Williamston, MI

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

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