Climate and monthly weather forecast
Jamestown, MI

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Weather in January

January, like December, is a freezing cold winter month in Jamestown, Michigan, with an average temperature varying between 28.4°F (-2°C) and 19°F (-7.2°C). With average high temperatures of 28.4°F (-2°C) and lows of 19°F (-7.2°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Jamestown, is another freezing cold month, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 30.9°F (-0.6°C). Jamestown's average high-temperature marks a still subzero cold 30.9°F (-0.6°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Jamestown, Michigan, with an average temperature ranging between max 42.3°F (5.7°C) and min 28.6°F (-1.9°C). In Jamestown, the average high-temperature in March increases from a freezing cold 30.9°F (-0.6°C) in February to a cold 42.3°F (5.7°C). Weather in March »

Weather in April

April in Jamestown, Michigan, is a cool spring month, with an average temperature varying between 53.4°F (11.9°C) and 38.1°F (3.4°C). Noticing a change, the average high-temperature during April moves from March's icy 42.3°F (5.7°C) to a cool 53.4°F (11.9°C). Weather in April »

Weather in May

May, the last month of the spring in Jamestown, is a comfortable month, with an average temperature fluctuating between 49.1°F (9.5°C) and 65.7°F (18.7°C). The rise of average high-temperatures is seen in May, with an increase from a cool 53.4°F (11.9°C) in April to a comfortable 65.7°F (18.7°C). Weather in May »

Weather in June

June, the first month of the summer in Jamestown, is a moderately hot month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 57.4°F (14.1°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a comfortable 65.7°F (18.7°C) to a moderately hot 73.9°F (23.3°C). Weather in June »

Weather in July

July, like June, in Jamestown, Michigan, is a moderately hot summer month, with an average temperature varying between 62.2°F (16.8°C) and 79.3°F (26.3°C). July, with an average high of 79.3°F (26.3°C) and a low of 62.2°F (16.8°C), signifies the warmest month of the year. Weather in July »

Weather in August

August, the last month of the summer in Jamestown, is also a moderately hot month, with an average temperature varying between 78.3°F (25.7°C) and 61.2°F (16.2°C). As July transitions into August, Jamestown records an average high-temperature of a still warm 78.3°F (25.7°C), showing a gentle shift from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Jamestown, is still a pleasant month, with an average temperature ranging between min 54.5°F (12.5°C) and max 72.5°F (22.5°C). September heralds a minor drop in average high-temperature, sliding from August's warm 78.3°F (25.7°C) to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Jamestown, Michigan, with an average temperature varying between 45.1°F (7.3°C) and 58.3°F (14.6°C). The onset of October results in a decrease in the average high-temperature, receding from an agreeable 72.5°F (22.5°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 Jamestown, Michigan, with an average temperature ranging between max 45.3°F (7.4°C) and min 34.3°F (1.3°C). The shift to November brings a decrease in the average high-temperature, falling from a moderate 58.3°F (14.6°C) in October to a frosty 45.3°F (7.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Jamestown, Michigan, with an average temperature fluctuating between 26.6°F (-3°C) and 34.3°F (1.3°C). December brings a decrease in the average high-temperature, falling from November's chilly 45.3°F (7.4°C) to an icy 34.3°F (1.3°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Jamestown?

With average temperatures fluctuating between a high of 28.4°F (-2°C) and a low of 19°F (-7.2°C), January stands out as the coldest month in Jamestown.

What is the most humid month in Jamestown?

January is the most humid month in Jamestown, Michigan, with an average relative humidity of 87%.

How many days does it rain in Jamestown?

Throughout the year, there are 115 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

When does it snow in Jamestown?

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

When does it snow the most in Jamestown?

January is the month with the most snowfall. Snow falls for 18.5 days and accumulates 2.4" (61mm) of snow.

How much does it snow in Jamestown?

In Jamestown, during the entire year, snow falls for 63.2 days and aggregates up to 8.19" (208mm) of snow.

What is the month with the least sunshine in Jamestown?

The month with the least sunshine is January, with an average of 2.4h of sunshine.

When is the lowest UV index in Jamestown?

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

What is the driest month in Jamestown?

February is the month with the least rainfall in Jamestown. Rain falls for 3.4 days and accumulates 0.59" (15mm) of precipitation.

When is Daylight Saving Time (DST) in Jamestown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Jamestown, Michigan, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Jamestown?

April is the least humid month in Jamestown, Michigan, with an average relative humidity of 75%.

When it does not snow in Jamestown?

May through September are months without snowfall in Jamestown.

When are the longest days in Jamestown?

June has the longest days of the year in Jamestown, Michigan, with an average of 15h and 18min of daylight.

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

The months with the highest UV index in Jamestown are June through August, with an average maximum UV index of 6.

What part of the year is the hottest in Jamestown?

July, characterized by an average high temperature of 79.3°F (26.3°C) and a low temperature of 62.2°F (16.8°C), is generally the warmest month.

What month has the most sunshine in Jamestown?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the wettest month in Jamestown?

October is the month with the most rainfall in Jamestown. Rain falls for 14 days and accumulates 1.3" (33mm) of precipitation.

What is the month with the shortest days in Jamestown?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Jamestown, Michigan.

Average temperature
Jamestown, MI

Average temperature - Jamestown, MI

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure
Jamestown, MI

Average pressure - Jamestown, MI

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Jamestown, MI

Average wind speed - Jamestown, MI

The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average rainfall
Jamestown, MI

Average rainfall - Jamestown, MI

The wettest month (with the highest rainfall) is October (1.3").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days
Jamestown, MI

Average rainfall days - Jamestown, MI

The month with the highest number of rainy days is October (14 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall
Jamestown, MI

Average snowfall - Jamestown, MI

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Jamestown, MI

Average snowfall days - Jamestown, MI

The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Jamestown, MI

Average daylight / Average sunshine - Jamestown, MI

The month with the longest days is June (Average daylight: 15h and 18min).
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 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days
Jamestown, MI

Average sunshine days - Jamestown, MI

The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is January (10.2 days).

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Average UV index
Jamestown, MI

Average UV index - Jamestown, MI

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

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Average visibility
Jamestown, MI

Average visibility - Jamestown, MI

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

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Jamestown, Michigan, USA

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