Climate and monthly weather forecast
Jamestown, NY

Weather in January

January, the same as December, in Jamestown, New York, is another subzero cold winter month, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 17.6°F (-8°C). The coldest month is January, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 17.6°F (-8°C). Weather in January »

Weather in February

February, the last month of the winter in Jamestown, is also a subzero cold month, with an average temperature varying between 31.1°F (-0.5°C) and 18.9°F (-7.3°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 31.1°F (-0.5°C). Weather in February »

Weather in March

March, the first month of the spring in Jamestown, is a wintry month, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 25.9°F (-3.4°C). In Jamestown, the average high-temperature in March marginally rises from a subzero cold 31.1°F (-0.5°C) in February to a cold 39.6°F (4.2°C). Weather in March »

Weather in April

April is a cool spring month in Jamestown, New York, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 35.6°F (2°C). In April, the average high-temperature rises from a cold 39.6°F (4.2°C) in March to a cool 51.3°F (10.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Jamestown, New York, with an average temperature ranging between max 63.7°F (17.6°C) and min 46.8°F (8.2°C). In May, the average high-temperature increases from a fresh 51.3°F (10.7°C) in April to an enjoyable 63.7°F (17.6°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Jamestown, New York, with an average temperature fluctuating between 70.5°F (21.4°C) and 54.1°F (12.3°C). In Jamestown, the average high-temperature in June marginally rises from an enjoyable 63.7°F (17.6°C) in May to a pleasant 70.5°F (21.4°C). Weather in June »

Weather in July

July is a warm summer month in Jamestown, New York, with an average temperature varying between 59.4°F (15.2°C) and 75.9°F (24.4°C). July is the warmest month, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 59.4°F (15.2°C). Weather in July »

Weather in August

August, the last month of the summer in Jamestown, is another warm month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 74.7°F (23.7°C). In August, the average high-temperature is practically the same as in July - a still warm 74.7°F (23.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Jamestown, is also an agreeable month, with an average temperature fluctuating between 53.1°F (11.7°C) and 69.4°F (20.8°C). In September, the average high-temperature is almost the same as in August - an agreeable 69.4°F (20.8°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Jamestown, New York, with an average temperature varying between 56.5°F (13.6°C) and 43.7°F (6.5°C). In Jamestown, the average high-temperature in October drops from an agreeable 69.4°F (20.8°C) in September to a mild 56.5°F (13.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Jamestown, New York, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 32.4°F (0.2°C). In Jamestown, the average high-temperature in November decreases from a moderate 56.5°F (13.6°C) in October to a frosty 43.7°F (6.5°C). Weather in November »

Weather in December

December, the first month of the winter in Jamestown, is also a wintry month, with an average temperature fluctuating between 34.5°F (1.4°C) and 25.9°F (-3.4°C). In Jamestown, the average high-temperature in December decreases from a frosty 43.7°F (6.5°C) in November to a cold 34.5°F (1.4°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Jamestown?

The coldest month is January, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 17.6°F (-8°C).

How many days does it rain in Jamestown?

In Jamestown, New York, during the entire year, the rain falls for 163.4 days and collects up to 27.72" (704mm) of precipitation.

When does it snow in Jamestown?

January through May, October through December are months with snowfall in Jamestown, New York.

How much does it snow in Jamestown?

Throughout the year, in Jamestown, there are 85.6 snowfall days, and 32.91" (836mm) of snow is accumulated.

What is the month with the least sunshine in Jamestown?

With an average of 2.3h of sunshine, January has the least sunshine of the year in Jamestown, New York.

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

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

What is the most humid month in Jamestown?

February is the most humid month in Jamestown, New York, with an average relative humidity of 89%.

When is Daylight Saving Time (DST) in Jamestown?

On Sunday, March 12. 2023, 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 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Jamestown?

The months with the lowest humidity are April, May and September, with an average relative humidity of 81%.

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

The months with the highest UV index in Jamestown, New York, are May through August, with an average maximum UV index of 5.

When it does not snow in Jamestown?

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

When are the longest days in Jamestown?

With an average of 15h and 12min of daylight, June has the longest days of the year in Jamestown, New York.

What is the warmest month in Jamestown?

With an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 59.4°F (15.2°C), July is the warmest month.

What is the month with the most sunshine in Jamestown?

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

What is the driest month in Jamestown?

The month with the least rainfall is September, when the rain falls for 14.3 days and typically collects 1.81" (46mm) of precipitation.

What is the wettest month in Jamestown?

The month with the most rainfall is October, when the rain falls for 17.2 days and typically aggregates up to 2.83" (72mm) of precipitation.

When does it snow the most in Jamestown?

December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 7.68" (195mm) of snow.

What is the month with the shortest days in Jamestown?

With an average of 9h and 10min of daylight, December has the shortest days of the year in Jamestown, New York.

Average temperature
Jamestown, NY

Average temperature - Jamestown, NY

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28°F).

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

[Resources]

Average pressure
Jamestown, NY

Average pressure - Jamestown, NY

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed
Jamestown, NY

Average wind speed - Jamestown, NY

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

[Resources]

Average humidity
Jamestown, NY

Average humidity - Jamestown, NY

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and September (81%).

[Resources]

Average rainfall
Jamestown, NY

Average rainfall - Jamestown, NY

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.81").

[Resources]

Average rainfall days
Jamestown, NY

Average rainfall days - Jamestown, NY

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.9 days).

[Resources]

Average snowfall
Jamestown, NY

Average snowfall - Jamestown, NY

The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Jamestown, NY

Average snowfall days - Jamestown, NY

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Jamestown, NY

Average daylight / Average sunshine - Jamestown, NY

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 10min).

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

[Resources]

Average sunshine days
Jamestown, NY

Average sunshine days - Jamestown, NY

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5.6 days).

[Resources]

Average UV index
Jamestown, NY

Average UV index - Jamestown, NY

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).

[Resources]

Average visibility
Jamestown, NY

Average visibility - Jamestown, NY

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location