Great Valley
New York, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Great Valley, NY

January, the same as December, in Great Valley, New York, is another subzero cold winter month, with average temperature fluctuating between 28°F (-2.2°C) and 16.2°F (-8.8°C). January is the coldest month, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Great Valley, New York, with average temperature varying between 18°F (-7.8°C) and 30.7°F (-0.7°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 30.7°F (-0.7°C). Weather in February »

The first month of the spring, March, is a wintry month in Great Valley, New York, with average temperature varying between 25.2°F (-3.8°C) and 39.9°F (4.4°C). In March, the average high-temperature increases, from a freezing cold 30.7°F (-0.7°C) in February, to a wintry 39.9°F (4.4°C). Weather in March »

April is a cool spring month in Great Valley, New York, with average temperature fluctuating between 34.7°F (1.5°C) and 52.3°F (11.3°C). In Great Valley, New York, the average high-temperature increases, from a wintry 39.9°F (4.4°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

May, the last month of the spring, in Great Valley, is an enjoyable month, with average temperature ranging between max 65.5°F (18.6°C) and min 45.7°F (7.6°C). In May, the average high-temperature increases, from a cool 52.3°F (11.3°C) in April, to a comfortable 65.5°F (18.6°C). Weather in May »

The first month of the summer, June, is a pleasant month in Great Valley, New York, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 72.5°F (22.5°C). In June, the average high-temperature marginally rises, from an enjoyable 65.5°F (18.6°C) in May, to a pleasant 72.5°F (22.5°C). Weather in June »

July in Great Valley, New York, is a warm summer month, with average temperature ranging between min 57°F (13.9°C) and max 77.5°F (25.3°C). July is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C). Weather in July »

The last month of the summer, August, is another warm month in Great Valley, New York, with average temperature fluctuating between 76.3°F (24.6°C) and 55.2°F (12.9°C). In August, the average high-temperature is practically the same as in July - a still warm 76.3°F (24.6°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Great Valley, New York, with average temperature fluctuating between 69.6°F (20.9°C) and 50.2°F (10.1°C). In Great Valley, the average high-temperature marginally drops, from a warm 76.3°F (24.6°C) in August, to a pleasant 69.6°F (20.9°C). Weather in September »

October, like September, is another mild autumn month in Great Valley, New York, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 41.5°F (5.3°C). In October, the average high-temperature drops, from an agreeable 69.6°F (20.9°C) in September, to a mild 56.5°F (13.6°C). Weather in October »

November, the last month of the autumn, in Great Valley, is also a frosty month, with average temperature varying between 43.7°F (6.5°C) and 30.7°F (-0.7°C). In Great Valley, 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 »

The first month of the winter, December, is still a cold month in Great Valley, New York, with average temperature ranging between max 34.2°F (1.2°C) and min 24.3°F (-4.3°C). In Great Valley, the average high-temperature in December decreases, from a chilly 43.7°F (6.5°C) in November, to a cold 34.2°F (1.2°C). Weather in December »

What is the coldest month in Great Valley?

With an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 16.2°F (-8.8°C), January is the coldest month in Great Valley, New York.

What is the most humid month in Great Valley?

January and February, with an average relative humidity of 89%, are most humid months.

How much does it rain in Great Valley?

Throughout the year, there are 159.5 rainfall days, and 28.03" (712mm) of precipitation is accumulated.

When does it snow in Great Valley?

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

How much does it snow in Great Valley?

Throughout the year, in Great Valley, there are 75.5 snowfall days, and 34.17" (868mm) of snow is accumulated.

What is the month with the least sunshine in Great Valley?

With an average of 2.3h of sunshine, January has the least sunshine of the year in Great Valley.

What are the months with the lowest UV index in Great Valley?

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

What is the snowiest month in Great Valley?

February is the month with the most snowfall in Great Valley. Snow falls for 15.5 days and accumulates 8.98" (228mm) of snow.

What is the wettest month in Great Valley?

April is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.27" (83mm) of precipitation.

What is the least humid month in Great Valley?

With an average relative humidity of 79%, May is the least humid month.

When it does not snow in Great Valley?

June through September are months without snowfall in Great Valley, New York.

When are the longest days in Great Valley?

The month with the longest days is June, with an average of 15.2h of daylight.

What is the month with the highest UV index in Great Valley?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Great Valley.

What is the warmest month in Great Valley?

The warmest month in Great Valley is July, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C).

What are the months with the most sunshine in Great Valley?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Great Valley.

What is the driest month in Great Valley?

September is the month with the least rainfall in Great Valley. Rain falls for 14.4 days and accumulates 1.69" (43mm) of precipitation.

What is the month with the shortest days in Great Valley?

With an average of 9.2h of daylight, December has the shortest days of the year.
Average temperature - Great Valley, NY
Average humidity - Great Valley, NY
Average rainfall - Great Valley, NY

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days - Great Valley, NY

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.7 days).

Average snowfall - Great Valley, NY
Average snowfall days - Great Valley, NY

The month with the highest number of snowfall days is January (18.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Great Valley, NY

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

Months with the most sunshine are July and August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 2.3h).

Average UV index - Great Valley, NY