Climate and monthly weather forecast
Guilderland, NY

Weather in January

January, like December, is another subzero cold winter month in Guilderland, New York, with an average temperature varying between 28.8°F (-1.8°C) and 16.7°F (-8.5°C). January is the coldest month, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.7°F (-8.5°C). Weather in January »

Weather in February

February, the last month of the winter in Guilderland, is a wintry month, with an average temperature fluctuating between 18.5°F (-7.5°C) and 32°F (0°C). In February, the average high-temperature is essentially the same as in January - a wintry 32°F (0°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Guilderland, New York, with an average temperature varying between 25.9°F (-3.4°C) and 40.8°F (4.9°C). In Guilderland, the average high-temperature in March marginally rises from a wintry 32°F (0°C) in February to a still cold 40.8°F (4.9°C). Weather in March »

Weather in April

April is a fresh spring month in Guilderland, New York, with an average temperature ranging between max 54.1°F (12.3°C) and min 36.1°F (2.3°C). In Guilderland, the average high-temperature in April increases from a cold 40.8°F (4.9°C) in March to a fresh 54.1°F (12.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Guilderland, New York, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 67.6°F (19.8°C). In Guilderland, the average high-temperature in May increases from a cool 54.1°F (12.3°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »

Weather in June

June, the first month of the summer in Guilderland, is a moderately hot month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 75°F (23.9°C). In June, the average high-temperature marginally rises from a comfortable 67.6°F (19.8°C) in May to a warm 75°F (23.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Guilderland, New York, with an average temperature ranging between min 59.5°F (15.3°C) and max 81.1°F (27.3°C). With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 59.5°F (15.3°C), July is the warmest month. In July, the average heat index is estimated at a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Guilderland, New York, with an average temperature fluctuating between 79.2°F (26.2°C) and 58.1°F (14.5°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 79.2°F (26.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Guilderland, is still a pleasant month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 71.4°F (21.9°C). In September, the average high-temperature slightly decreases from a moderately hot 79.2°F (26.2°C) in August to a pleasant 71.4°F (21.9°C). Weather in September »

Weather in October

October, the same as September, in Guilderland, New York, is a moderate autumn month, with an average temperature varying between 43°F (6.1°C) and 58.3°F (14.6°C). In Guilderland, the average high-temperature in October drops from an agreeable 71.4°F (21.9°C) in September to a moderate 58.3°F (14.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Guilderland, is also a frosty month, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 31.8°F (-0.1°C). In Guilderland, New York, the average high-temperature in November drops from a moderate 58.3°F (14.6°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Guilderland, New York, with temperature in the range of an average low of 24.4°F (-4.2°C) and an average high of 34.7°F (1.5°C). In Guilderland, the average high-temperature in December drops from a frosty 45.5°F (7.5°C) in November to a wintry 34.7°F (1.5°C). Weather in December »
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FAQ

What is the coldest month in Guilderland?

The coldest month in Guilderland is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.7°F (-8.5°C).

How many days does it rain in Guilderland?

Throughout the year, in Guilderland, there are 160.4 rainfall days, and 32.44" (824mm) of precipitation is accumulated.

When does it snow in Guilderland?

Months with snowfall in Guilderland, New York, are January through May, October through December.

When does it snow the most in Guilderland?

The month with the most snowfall in Guilderland, New York, is January, when snow falls for 13.8 days and typically aggregates up to 8.15" (207mm) of snow.

How many days does it snow in Guilderland?

In Guilderland, New York, during the entire year, snow falls for 51.2 days and aggregates up to 32.09" (815mm) of snow.

What is the most humid month in Guilderland?

With an average relative humidity of 83%, February is the most humid month in Guilderland.

What is the month with the least sunshine in Guilderland?

The month with the least sunshine in Guilderland, New York, is February, with an average of 3.8h of sunshine.

When is Daylight Saving Time (DST) in Guilderland?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Guilderland, 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 is the least humid month in Guilderland?

With an average relative humidity of 74%, April is the least humid month.

When it does not snow in Guilderland?

In Guilderland, New York, snow does not fall in June through September.

When are the longest days in Guilderland?

June has the longest days of the year in Guilderland, New York, with an average of 15h and 16min of daylight.

What is the warmest month in Guilderland?

July is the warmest month in Guilderland, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 59.5°F (15.3°C).

What month has the most sunshine in Guilderland?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

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

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the driest month in Guilderland?

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 2.05" (52mm) of precipitation.

What is the wettest month in Guilderland?

October is the month with the most rainfall in Guilderland, New York. Rain falls for 13.8 days and accumulates 3.19" (81mm) of precipitation.

What is the month with the shortest days in Guilderland?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Guilderland, New York.

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

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

Average temperature
Guilderland, NY

Average temperature - Guilderland, NY

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure
Guilderland, NY

Average pressure - Guilderland, NY

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

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Average wind speed
Guilderland, NY

Average wind speed - Guilderland, NY

The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Guilderland, NY

Average rainfall - Guilderland, NY

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days
Guilderland, NY

Average rainfall days - Guilderland, NY

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall
Guilderland, NY

Average snowfall - Guilderland, NY

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Guilderland, NY

Average snowfall days - Guilderland, NY

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Guilderland, NY

Average daylight / Average sunshine - Guilderland, NY

The month with the longest days is June (Average daylight: 15h and 16min).
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 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days
Guilderland, NY

Average sunshine days - Guilderland, NY

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

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Average visibility
Guilderland, NY

Average visibility - Guilderland, NY

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

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