Climate and monthly weather forecast
Jamestown, LA

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Weather in January

January, like December, in Jamestown, Louisiana, is a cool winter month, with an average temperature varying between 54.1°F (12.3°C) and 38.5°F (3.6°C). Jamestown notes the coldest temperatures in January, with a high average of 54.1°F (12.3°C) and a low of 38.5°F (3.6°C). Weather in January »

Weather in February

February, the last month of the winter in Jamestown, is a moderate month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 42.4°F (5.8°C). Jamestown's weather in February displays an average high-temperature of a moderate 58.5°F (14.7°C), showing minor disparity from January's 54.1°F (12.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Jamestown, Louisiana, with an average temperature ranging between max 67.3°F (19.6°C) and min 49.1°F (9.5°C). With the onset of March, Jamestown experiences a subtle temperature shift, with the average high-temperature moving from 58.5°F (14.7°C) in February to a still refreshing 67.3°F (19.6°C). Weather in March »

Weather in April

April in Jamestown, Louisiana, is a warm spring month, with an average temperature varying between 76.3°F (24.6°C) and 54.9°F (12.7°C). April sees a temperature increase, moving from an enjoyable 67.3°F (19.6°C) in March to a warm 76.3°F (24.6°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Jamestown, Louisiana, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 84.7°F (29.3°C). May marks a minor ascent in the average high-temperature, adjusting from April's 76.3°F (24.6°C) to a still moderately hot 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Jamestown, is a tropical month, with temperature in the range of an average high of 92.1°F (33.4°C) and an average low of 70.9°F (21.6°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a warm 84.7°F (29.3°C) in May to a tropical 92.1°F (33.4°C). Weather in June »

Weather in July

July, the same as June, in Jamestown, Louisiana, is another hot summer month, with an average temperature ranging between max 94.6°F (34.8°C) and min 73.2°F (22.9°C). July and August, with an average high-temperature of 94.6°F (34.8°C), are the warmest months. July's mean heat index is evaluated at a blazing hot 122°F (50°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Jamestown, Louisiana, with an average temperature fluctuating between 94.6°F (34.8°C) and 72.9°F (22.7°C). The highest point of temperatures falls in July and August, when the average high-temperature ascends to 94.6°F (34.8°C). For August, the heat index is evaluated at a life-threatening hot 120.2°F (49°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Jamestown, Louisiana, with an average temperature ranging between min 67.3°F (19.6°C) and max 88.5°F (31.4°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's 94.6°F (34.8°C) to a still tropical 88.5°F (31.4°C). Weather in September »

Weather in October

October, like September, in Jamestown, Louisiana, is another warm autumn month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 56.5°F (13.6°C). The average high-temperature drops in October, from September's hot 88.5°F (31.4°C) to a warm 77.9°F (25.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Jamestown, is another comfortable month, with an average temperature fluctuating between 46.9°F (8.3°C) and 64.6°F (18.1°C). The arrival of November indicates a decrease in the average high-temperature, moving from a warm 77.9°F (25.5°C) in October to a comfortable 64.6°F (18.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Jamestown, Louisiana, with an average temperature fluctuating between 56.5°F (13.6°C) and 42.1°F (5.6°C). December brings a slight decrease in temperature, down from a comfortable 64.6°F (18.1°C) in November to a mild 56.5°F (13.6°C). Weather in December »
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Frequently asked questions

What month is the coldest in Jamestown?

January, on average, is the coldest month in Jamestown, registering a high temperature of 54.1°F (12.3°C) and a low of 38.5°F (3.6°C).

How many days does it rain in Jamestown?

Throughout the year, in Jamestown, there are 158.9 rainfall days, and 39.17" (995mm) of precipitation is accumulated.

When does it snow in Jamestown?

Months with snowfall are January through March and December.

How many days does it snow in Jamestown?

Throughout the year, there are 3.2 snowfall days, and 0.94" (24mm) of snow is accumulated.

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

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the most humid month in Jamestown?

The most humid month in Jamestown, Louisiana, is February, with an average relative humidity of 82%.

What is the snowiest month in Jamestown?

February is the month with the most snowfall in Jamestown, Louisiana. Snow falls for 1.1 days and accumulates 0.47" (12mm) 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, Louisiana, 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.

When it does not snow in Jamestown?

April through November are months without snowfall.

What is the wettest month in Jamestown?

The month with the most rainfall in Jamestown is May, when the rain falls for 14.8 days and typically aggregates up to 4.17" (106mm) of precipitation.

When are the longest days in Jamestown?

With an average of 14h and 12min of daylight, June has the longest days of the year in Jamestown, Louisiana.

What are the months with the highest UV index in Jamestown?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What part of the year is the hottest in Jamestown?

July and August, with an average high-temperature of 94.6°F (34.8°C), are marked as the warmest months in Jamestown.

What is the driest month in Jamestown?

July and September are months with the least rain when the rain falls for 15 days and typically aggregates up to 2.52" (64mm) of rain.

What is the least humid month in Jamestown?

The least humid month in Jamestown is August, with an average relative humidity of 69%.

What month has the most sunshine in Jamestown?

The month with the most sunshine in Jamestown, Louisiana, is August, with an average of 10.4h of sunshine.

What is the month with the shortest days in Jamestown?

December has the shortest days of the year in Jamestown, with an average of 10h and 6min of daylight.

What is the month with the least sunshine in Jamestown?

The month with the least sunshine is December, with an average of 4.9h of sunshine.

Average temperature
Jamestown, LA

Average temperature - Jamestown, LA

The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (54.1°F).

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure
Jamestown, LA

Average pressure - Jamestown, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Jamestown, LA

Average wind speed - Jamestown, LA

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average rainfall
Jamestown, LA

Average rainfall - Jamestown, LA

The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are July and September (2.52").

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Average rainfall days
Jamestown, LA

Average rainfall days - Jamestown, LA

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall
Jamestown, LA

Average snowfall - Jamestown, LA

The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Jamestown, LA

Average snowfall days - Jamestown, LA

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Jamestown, LA

Average daylight / Average sunshine - Jamestown, LA

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days
Jamestown, LA

Average sunshine days - Jamestown, LA

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.9 days).

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Average UV index
Jamestown, LA

Average UV index - Jamestown, LA

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average visibility
Jamestown, LA

Average visibility - Jamestown, LA

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

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Jamestown, Louisiana, USA

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