Climate and monthly weather forecast
Belfast, NY

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Weather in January

January, the same as December, in Belfast, New York, is a freezing cold winter month, with an average temperature varying between 27.5°F (-2.5°C) and 15.8°F (-9°C). Belfast's coldest month, January, generally records average temperatures ranging from a high of 27.5°F (-2.5°C) to a low of 15.8°F (-9°C). Weather in January »

Weather in February

February, the last month of the winter in Belfast, is another freezing cold month, with an average temperature fluctuating between 17.4°F (-8.1°C) and 30.4°F (-0.9°C). As February unfolds, the average high-temperature reaches a still freezing cold 30.4°F (-0.9°C), hinting at a slight fluctuation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Belfast, is an icy month, with temperature in the range of an average low of 24.4°F (-4.2°C) and an average high of 39.7°F (4.3°C). The rise of average high-temperatures is seen in March, with an increase from a subzero cold 30.4°F (-0.9°C) in February to an icy 39.7°F (4.3°C). Weather in March »

Weather in April

April is a fresh spring month in Belfast, New York, with an average temperature ranging between min 34°F (1.1°C) and max 52.3°F (11.3°C). The shift into April brings an increase in the average high-temperature, moving from a wintry 39.7°F (4.3°C) in March to a fresh 52.3°F (11.3°C). Weather in April »

Weather in May

May, the last month of the spring in Belfast, is a comfortable month, with an average temperature fluctuating between 45.1°F (7.3°C) and 65.7°F (18.7°C). May's arrival brings a temperature shift, moving from a cool 52.3°F (11.3°C) in April to a refreshing 65.7°F (18.7°C). Weather in May »

Weather in June

June, the first month of the summer in Belfast, is an agreeable month, 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). The arrival of June witnesses a small shift in the average high-temperature, moving from a comfortable 65.7°F (18.7°C) in May to a pleasant 72.5°F (22.5°C). Weather in June »

Weather in July

July is a warm summer month in Belfast, New York, with an average temperature fluctuating between 56.8°F (13.8°C) and 77.5°F (25.3°C). Belfast records the warmest temperatures in July, averaging a high of 77.5°F (25.3°C) and a low of 56.8°F (13.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Belfast, New York, with an average temperature varying between 55°F (12.8°C) and 75.7°F (24.3°C). The commencement of August records an average high-temperature of a still warm 75.7°F (24.3°C), barely varying from July's 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Belfast, is also an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 49.8°F (9.9°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 75.7°F (24.3°C) to a pleasant 69.6°F (20.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Belfast, New York, with an average temperature ranging between max 56.1°F (13.4°C) and min 41.2°F (5.1°C). The arrival of October corresponds with a reduction in the average high-temperature, down from September's pleasant 69.6°F (20.9°C) to a refreshing 56.1°F (13.4°C). Weather in October »

Weather in November

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

Weather in December

December, the first month of the winter in Belfast, is still a cold month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 33.3°F (0.7°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 43.2°F (6.2°C) to a cold 33.3°F (0.7°C). Weather in December »
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Frequently asked questions

What are the coldest months in Belfast?

In Belfast, January is the month with the lowest recorded average temperatures, measuring a high of 27.5°F (-2.5°C) and a low of 15.8°F (-9°C).

What is the most humid month in Belfast?

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

How many days does it rain in Belfast?

In Belfast, New York, during the entire year, the rain falls for 170.2 days and collects up to 29.29" (744mm) of precipitation.

When does it snow in Belfast?

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

How many days does it snow in Belfast?

Throughout the year, 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 are the months 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, New York.

What is the snowiest month in Belfast?

February is the month with the most snowfall in Belfast. Snow falls for 19.8 days and accumulates 11.1" (282mm) of snow.

When is Daylight Saving Time (DST) in Belfast?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Belfast, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month in Belfast?

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

What are the least humid months in Belfast?

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

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

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

When it does not snow in Belfast?

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

When are the longest days in Belfast?

June has the longest days of the year in Belfast, with an average of 15h and 12min of daylight.

What month is the hottest in Belfast?

Belfast's July weather reaches an average high of 77.5°F (25.3°C) and an average low of 56.8°F (13.8°C), making it the warmest month.

What month has the most sunshine in Belfast?

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

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?

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

Average temperature
Belfast, NY

Average temperature - Belfast, NY

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.5°F).

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure
Belfast, NY

Average pressure - Belfast, NY

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Belfast, NY

Average wind speed - Belfast, NY

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity
Belfast, NY

Average humidity - Belfast, NY

The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).

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Average rainfall
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").

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Average rainfall days
Belfast, NY

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).

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Average snowfall
Belfast, NY

Average snowfall - Belfast, NY

The month with the highest snowfall is February (11.1").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Belfast, NY

Average snowfall days - Belfast, NY

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

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Average daylight / Average sunshine
Belfast, NY

Average daylight / Average sunshine - Belfast, 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 6min).

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days
Belfast, NY

Average sunshine days - Belfast, NY

The month with the most sunshine days is September (12 days).
The month with the least sunshine days is February (5.2 days).

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Average UV index
Belfast, NY

Average UV index - Belfast, 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).

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Average visibility
Belfast, NY

Average visibility - Belfast, NY

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

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Belfast, New York, USA

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