Climate and monthly weather forecast
Jamestown, IN

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Weather in January

January, like December, in Jamestown, Indiana, is a wintry winter month, with an average temperature ranging between max 32.2°F (0.1°C) and min 20.3°F (-6.5°C). January, known for its average high temperature of 32.2°F (0.1°C) and an average low temperature of 20.3°F (-6.5°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Jamestown, Indiana, with an average temperature varying between 36.7°F (2.6°C) and 23.5°F (-4.7°C). Welcoming February, Jamestown notes an average high-temperature of a still icy 36.7°F (2.6°C), nearly consistent with January's 32.2°F (0.1°C). Weather in February »

Weather in March

March, the first month of the spring in Jamestown, is a chilly month, with an average temperature fluctuating between 34°F (1.1°C) and 48.7°F (9.3°C). As March begins, there is an increase in the average high-temperature, moving from an icy 36.7°F (2.6°C) in February to a chilly 48.7°F (9.3°C). Weather in March »

Weather in April

April is a moderate spring month in Jamestown, Indiana, with an average temperature ranging between max 60.4°F (15.8°C) and min 44.2°F (6.8°C). In April, the meteorological conditions change with the average high-temperature moving from a chilly 48.7°F (9.3°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Jamestown, Indiana, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.4°F (21.9°C). With the arrival of May, the average high-temperature transitions from a refreshing 60.4°F (15.8°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Jamestown, Indiana, with an average temperature varying between 79.3°F (26.3°C) and 62.8°F (17.1°C). Jamestown's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Jamestown, Indiana, is a moderately hot summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.8°F (18.2°C). July temperatures tend to peak at an average high of 81.1°F (27.3°C) and dip to a low of 64.8°F (18.2°C). The heat index value for July is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Jamestown, is another warm month, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.7°F (26.5°C). The advent of August brings an average high-temperature of a still moderately hot 79.7°F (26.5°C), exhibiting minor difference from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Jamestown, is also a moderately hot month, with an average temperature varying between 74.8°F (23.8°C) and 57.4°F (14.1°C). The transition from August to September sees average high-temperatures adjusting to a still moderately hot 74.8°F (23.8°C), from a not significantly different 79.7°F (26.5°C). Weather in September »

Weather in October

October, like September, in Jamestown, Indiana, is another comfortable autumn month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 46.4°F (8°C). October's arrival correlates with a reduction in the average high-temperature, down from a warm 74.8°F (23.8°C) in September to a refreshing 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Jamestown, Indiana, with an average temperature varying between 34.9°F (1.6°C) and 48°F (8.9°C). Jamestown's November weather features a mild decline in high-temperatures, reducing from an enjoyable 61.9°F (16.6°C) in October to a chilly 48°F (8.9°C). Weather in November »

Weather in December

December, the first month of the winter in Jamestown, is also an icy month, with an average temperature varying between 37.6°F (3.1°C) and 27.1°F (-2.7°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48°F (8.9°C) in November to a wintry 37.6°F (3.1°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Jamestown?

The coldest time of the year in Jamestown is January, with temperatures averaging a high of 32.2°F (0.1°C) and a low of 20.3°F (-6.5°C).

What is the most humid month in Jamestown?

January, July and December, with an average relative humidity of 83%, are most humid months in Jamestown.

How many days does it rain in Jamestown?

Throughout the year, in Jamestown, there are 164.1 rainfall days, and 31.61" (803mm) of precipitation is accumulated.

When does it snow in Jamestown?

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

How many days does it snow in Jamestown?

In Jamestown, Indiana, during the entire year, snow falls for 40.6 days and aggregates up to 13.46" (342mm) of snow.

What is the month with the least sunshine in Jamestown?

With an average of 3.8h of sunshine, January has the least sunshine of the year in Jamestown.

What is the driest month in Jamestown?

February and November are months with the least rain in Jamestown when the rain falls for 7.8 days and typically aggregates up to 1.85" (47mm) of rain.

When does it snow the most in Jamestown?

The month with the most snowfall in Jamestown, Indiana, is February, when snow falls for 9.8 days and typically aggregates up to 3.62" (92mm) of snow.

When is Daylight Saving Time (DST) in Jamestown?

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

The month with the most rainfall in Jamestown, Indiana, is April, when the rain falls for 15.8 days and typically aggregates up to 3.86" (98mm) of precipitation.

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, Indiana, with an average of 15h and 0min of daylight.

What month has the most sunshine in Jamestown?

With an average of 9.9h of sunshine, June has the most sunshine of the year in Jamestown.

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

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

What is the hottest time of year in Jamestown?

July is Jamestown's warmest month, registering average high temperatures of 81.1°F (27.3°C) and lows of 64.8°F (18.2°C).

What is the least humid month in Jamestown?

The least humid month in Jamestown, Indiana, is October, with an average relative humidity of 74%.

What is the month with the shortest days in Jamestown?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

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

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Jamestown, IN

Average temperature - Jamestown, IN

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°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 (20.3°F).

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Average pressure
Jamestown, IN

Average pressure - Jamestown, IN

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Jamestown, IN

Average wind speed - Jamestown, IN

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity
Jamestown, IN

Average humidity - Jamestown, IN

The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Jamestown, IN

Average rainfall - Jamestown, IN

The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").

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Average rainfall days
Jamestown, IN

Average rainfall days - Jamestown, IN

The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).

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Average snowfall
Jamestown, IN

Average snowfall - Jamestown, IN

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Jamestown, IN

Average snowfall days - Jamestown, IN

The month with the highest number of snowfall days is January (11.9 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, IN

Average daylight / Average sunshine - Jamestown, IN

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days
Jamestown, IN

Average sunshine days - Jamestown, IN

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).

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Average visibility
Jamestown, IN

Average visibility - Jamestown, IN

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).

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Jamestown, Indiana, USA

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