Belfast
New York, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Belfast, NY

January, the same as December, in Belfast, New York, is a freezing cold winter month, with average temperature ranging between max 27.5°F (-2.5°C) and min 15.8°F (-9°C). The coldest month is January, with an average high-temperature of 27.5°F (-2.5°C) and an average low-temperature of 15.8°F (-9°C). Weather in January »

February, the last month of the winter, in Belfast, is another freezing cold month, with average temperature ranging between min 17.4°F (-8.1°C) and max 30.4°F (-0.9°C). In Belfast, New York, the average high-temperature is almost the same as in January - a still freezing cold 30.4°F (-0.9°C). Weather in February »

March, the first month of the spring, in Belfast, is a cold month, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 24.4°F (-4.2°C). In March, the average high-temperature rises, from a freezing cold 30.4°F (-0.9°C) in February, to a wintry 39.7°F (4.3°C). Weather in March »

April is a cool spring month in Belfast, New York, with average temperature fluctuating between 52.3°F (11.3°C) and 34°F (1.1°C). In Belfast, the average high-temperature rises, from a cold 39.7°F (4.3°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

May, the last month of the spring, in Belfast, is an enjoyable month, with average temperature fluctuating between 65.7°F (18.7°C) and 45.1°F (7.3°C). In Belfast, the average high-temperature rises, from a fresh 52.3°F (11.3°C) in April, to an enjoyable 65.7°F (18.7°C). Weather in May »

June, the first month of the summer, in Belfast, is an agreeable month, with average temperature varying between 72.5°F (22.5°C) and 52.2°F (11.2°C). In June, the average high-temperature marginally rises, from a comfortable 65.7°F (18.7°C) in May, to an agreeable 72.5°F (22.5°C). Weather in June »

July is a moderately hot summer month in Belfast, New York, with average temperature ranging between min 56.8°F (13.8°C) and max 77.5°F (25.3°C). With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 56.8°F (13.8°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Belfast, is another warm month, with average temperature ranging between min 55°F (12.8°C) and max 75.7°F (24.3°C). In August, the average high-temperature is almost the same as in July - a still warm 75.7°F (24.3°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Belfast, New York, with average temperature fluctuating between 49.8°F (9.9°C) and 69.6°F (20.9°C). In Belfast, the average high-temperature marginally drops, from a warm 75.7°F (24.3°C) in August, to an agreeable 69.6°F (20.9°C). Weather in September »

October, like September, is a moderate autumn month in Belfast, New York, with average temperature ranging between max 56.1°F (13.4°C) and min 41.2°F (5.1°C). In October, the average high-temperature drops, from an agreeable 69.6°F (20.9°C) in September, to a moderate 56.1°F (13.4°C). Weather in October »

The last month of the autumn, November, is another chilly month in Belfast, New York, with temperature in the range of an average high of 43.2°F (6.2°C) and an average low of 30°F (-1.1°C). In November, the average high-temperature decreases, from a mild 56.1°F (13.4°C) in October, to a chilly 43.2°F (6.2°C). Weather in November »

December, the first month of the winter, in Belfast, is still a cold month, with average temperature ranging between max 33.3°F (0.7°C) and min 23.7°F (-4.6°C). In Belfast, the average high-temperature decreases, from a frosty 43.2°F (6.2°C) in November, to a cold 33.3°F (0.7°C). Weather in December »

What is the coldest month in Belfast?

The coldest month in Belfast is January, with an average high-temperature of 27.5°F (-2.5°C) and an average low-temperature of 15.8°F (-9°C).

What are the most humid months in Belfast?

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

How many days does it rain in Belfast?

Throughout the year, there are 170.2 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

When does it snow in Belfast?

January through May, October through December are months with snowfall in Belfast.

How many days does it snow in Belfast?

Throughout the year, in Belfast, New York, there are 95.9 snowfall days, and 45.12" (1146mm) of snow is accumulated.

What is the month with the least sunshine in Belfast?

With an average of 2.5h of sunshine, January has the least sunshine of the year in Belfast, New York.

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

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

What is the snowiest month in Belfast?

The month with the most snowfall in Belfast, New York, is February when snow falls for 19.8 days and typically aggregates up to 11.1" (282mm) of snow.

What is the wettest month in Belfast?

April is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.07" (78mm) of precipitation.

What are the least humid months in Belfast?

Months with the lowest humidity are May through July, with an average relative humidity of 79%.

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

Months with the highest UV index are May through August, with an average maximum UV index of 5.

When it does not snow in Belfast?

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

When are the longest days in Belfast?

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

What is the warmest month in Belfast?

With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 56.8°F (13.8°C), July is the warmest month.

What month has the most sunshine in Belfast?

July has the most sunshine of the year, with an average of 9.7h of sunshine.

What is the driest month in Belfast?

September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.85" (47mm) of precipitation.

What is the month with the shortest days in Belfast?

December has the shortest days of the year, with an average of 9.1h of daylight.
Average temperature - Belfast, NY
Average humidity - Belfast, NY
Average rainfall - Belfast, NY

The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days - Belfast, NY

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is January (6.8 days).

Average snowfall - Belfast, NY
Average snowfall days - Belfast, NY

The month with the highest number of snowfall days is January (20.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Belfast, NY

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is July (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 2.5h).