Climate and monthly weather forecast
Belfast, OH

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Weather in January

January, the same as December, is an icy winter month in Belfast, Ohio, with an average temperature varying between 22.8°F (-5.1°C) and 35.2°F (1.8°C). In Belfast, Ohio, the lowest temperatures are generally noted in January, averaging a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Belfast, Ohio, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 26.6°F (-3°C). The shift into February uncovers an average high-temperature of a still wintry 39.7°F (4.3°C), subtly different from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Belfast, Ohio, with an average temperature varying between 34.5°F (1.4°C) and 50.5°F (10.3°C). Belfast in March sees a temperature change, with average high-temperatures moving from a cold 39.7°F (4.3°C) in February to a fresh 50.5°F (10.3°C). Weather in March »

Weather in April

April is a comfortable spring month in Belfast, Ohio, with an average temperature varying between 44.4°F (6.9°C) and 62.8°F (17.1°C). April's onset brings a temperature rise, moving from a fresh 50.5°F (10.3°C) in March to a refreshing 62.8°F (17.1°C). Weather in April »

Weather in May

May, the last month of the spring in Belfast, is a pleasant month, with an average temperature fluctuating between 54.9°F (12.7°C) and 72.5°F (22.5°C). As May begins, there is an increase in the average high-temperature, moving from a refreshing 62.8°F (17.1°C) in April to a pleasant 72.5°F (22.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Belfast, Ohio, with an average temperature ranging between min 61.3°F (16.3°C) and max 79.5°F (26.4°C). The commencement of June sees a minor shift in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in Belfast, Ohio, is a moderately hot summer month, with an average temperature ranging between min 64.2°F (17.9°C) and max 82.6°F (28.1°C). Belfast's July weather, marked by an average high temperature of 82.6°F (28.1°C) and an average low temperature of 64.2°F (17.9°C), is the warmest in the year. The heat index in July is estimated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Belfast, Ohio, with an average temperature fluctuating between 62.4°F (16.9°C) and 81.9°F (27.7°C). Belfast registers an average high-temperature of a still warm 81.9°F (27.7°C) at the commencement of August, closely related to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Belfast, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 76.5°F (24.7°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 81.9°F (27.7°C) to a still moderately hot 76.5°F (24.7°C). Weather in September »

Weather in October

October, like September, in Belfast, Ohio, is another enjoyable autumn month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 63.7°F (17.6°C). Belfast experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 76.5°F (24.7°C) in September to a comfortable 63.7°F (17.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Belfast, is also a fresh month, with an average temperature ranging between min 36.1°F (2.3°C) and max 50.9°F (10.5°C). With November's arrival, Belfast's weather changes as the average high-temperature falls from an enjoyable 63.7°F (17.6°C) in October to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Belfast, Ohio, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 40.8°F (4.9°C). With December's onset, the average high-temperature recedes from November's cool 50.9°F (10.5°C) to an icy 40.8°F (4.9°C). Weather in December »
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

During the coldest month in Belfast, January, temperatures average a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).

What are the most humid months?

January, February and December, with an average relative humidity of 82%, are most humid months.

How much does it rain?

Throughout the year, there are 174 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

Throughout the year, there are 40.1 snowfall days, and 15.04" (382mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 8.7 days and typically aggregates up to 4.06" (103mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 rainiest month?

May is the month with the most rainfall. Rain falls for 20 days and accumulates 3.98" (101mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What month is the hottest?

Belfast's July weather reaches an average high of 82.6°F (28.1°C) and an average low of 64.2°F (17.9°C), making it the warmest month.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

What is the driest month?

September is the month with the least rainfall in Belfast. Rain falls for 14.6 days and accumulates 2.01" (51mm) of precipitation.

What are the least humid months?

October and November, with an average relative humidity of 75%, are the least humid months.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the month with the lowest UV index?

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

Average temperature
Belfast, OH

Average temperature - Belfast, OH

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure
Belfast, OH

Average pressure - Belfast, OH

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Belfast, OH

Average wind speed - Belfast, OH

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity
Belfast, OH

Average humidity - Belfast, OH

The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall
Belfast, OH

Average rainfall - Belfast, OH

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days
Belfast, OH

Average rainfall days - Belfast, OH

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (10.3 days).

Average snowfall
Belfast, OH

Average snowfall - Belfast, OH

The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Belfast, OH

Average snowfall days - Belfast, OH

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Belfast, OH

Average daylight / Average sunshine - Belfast, OH

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Belfast, OH

Average sunshine days - Belfast, OH

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.9 days).

Average visibility
Belfast, OH

Average visibility - Belfast, OH

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

Belfast, Ohio, USA

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