Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Belfast, Pennsylvania, is another cold winter month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 20.7°F (-6.3°C). January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in January »
Weather in February
February, the last month of the winter in Belfast, is also a wintry month, with an average temperature varying between 22.5°F (-5.3°C) and 36.5°F (2.5°C). In Belfast, the average high-temperature in February is relatively the same as in January - a still cold 36.5°F (2.5°C). Weather in February »
Weather in March
March, the first month of the spring in Belfast, is a frosty month, with an average temperature varying between 29.7°F (-1.3°C) and 45.1°F (7.3°C). In March, the average high-temperature slightly increases from a wintry 36.5°F (2.5°C) in February to a chilly 45.1°F (7.3°C). Weather in March »
Weather in April
April is a moderate spring month in Belfast, Pennsylvania, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 57.6°F (14.2°C). In Belfast, the average high-temperature in April increases from a frosty 45.1°F (7.3°C) in March to a mild 57.6°F (14.2°C). Weather in April »
Weather in May
May, the last month of the spring in Belfast, is an agreeable month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 49.8°F (9.9°C). In Belfast, the average high-temperature in May increases from a mild 57.6°F (14.2°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Belfast, is a moderately hot month, with an average temperature ranging between min 56.8°F (13.8°C) and max 76.6°F (24.8°C). In June, the average high-temperature marginally rises from an agreeable 68.5°F (20.3°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »
Weather in July
July, like June, in Belfast, Pennsylvania, is a moderately hot summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 62.2°F (16.8°C). July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 62.2°F (16.8°C). The average heat index in July is calculated to be 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, Pennsylvania, with an average temperature ranging between min 60.4°F (15.8°C) and max 80.2°F (26.8°C). In August, the average high-temperature is relatively the same as in July - a still warm 80.2°F (26.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Belfast, Pennsylvania, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 54.3°F (12.4°C). In September, the average high-temperature marginally drops from 80.2°F (26.8°C) in August to a still warm 73.9°F (23.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Belfast, Pennsylvania, with an average temperature varying between 61.2°F (16.2°C) and 45.1°F (7.3°C). In October, the average high-temperature drops from a moderately hot 73.9°F (23.3°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Belfast, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 34.3°F (1.3°C). In Belfast, Pennsylvania, the average high-temperature in November drops from a comfortable 61.2°F (16.2°C) in October to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
December, the first month of the winter in Belfast, is also a wintry month, with an average temperature varying between 39°F (3.9°C) and 27.5°F (-2.5°C). In December, the average high-temperature decreases from a frosty 48.4°F (9.1°C) in November to a wintry 39°F (3.9°C). Weather in December »
[Resources]FAQ
What is the coldest month in Belfast?
The coldest month in Belfast is January, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.7°F (-6.3°C).
How many days does it rain in Belfast?
In Belfast, during the entire year, the rain falls for 139.9 days and collects up to 19.88" (505mm) 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?
In Belfast, Pennsylvania, during the entire year, snow falls for 24.7 days and aggregates up to 10.94" (278mm) of snow.
What is the most humid month in Belfast?
With an average relative humidity of 82%, February is the most humid month in Belfast.
What is the snowiest month in Belfast?
February is the month with the most snowfall in Belfast. Snow falls for 6.8 days and accumulates 2.52" (64mm) of snow.
What is the month with the least sunshine in Belfast?
February has the least sunshine of the year in Belfast, with an average of 4.5h of sunshine.
When is Daylight Saving Time (DST) in Belfast?
On Sunday, March 12. 2023, 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 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Belfast?
With an average relative humidity of 76%, April is the least humid month in Belfast, Pennsylvania.
When it does not snow in Belfast?
In Belfast, snow does not fall in June through September.
When are the longest days in Belfast?
June has the longest days of the year in Belfast, with an average of 15h and 3min of daylight.
What is the month with the highest UV index in Belfast?
The month with the highest UV index is June, with an average maximum UV index of 6.
What is the warmest month in Belfast?
With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month in Belfast.
What is the wettest month in Belfast?
The month with the most rainfall in Belfast is July, when the rain falls for 15.1 days and typically aggregates up to 2.32" (59mm) of precipitation.
What month has the most sunshine in Belfast?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the driest month in Belfast?
September is the month with the least rainfall in Belfast, Pennsylvania. Rain falls for 10.6 days and accumulates 1.02" (26mm) of precipitation.
What is the month with the shortest days in Belfast?
December has the shortest days of the year, with an average of 9h and 19min of daylight.
When is the lowest UV index in Belfast?
With an average maximum UV index of 1, December is the month with the lowest UV index in Belfast.
Average temperature
Belfast, PA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Belfast, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Belfast, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Belfast, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Belfast, PA
- Average rainfall in January:
1.3" - Average rainfall in February:
1.22" - Average rainfall in March:
1.57" - Average rainfall in April:
1.77" - Average rainfall in May:
1.89" - Average rainfall in June:
1.69"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.09" - Average rainfall in September:
1.02" - Average rainfall in October:
1.73" - Average rainfall in November:
1.54" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days
Belfast, PA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Belfast, PA
- Average snowfall in January:
2.44" - Average snowfall in February:
2.52" - Average snowfall in March:
2.48" - Average snowfall in April:
0.2" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Belfast, PA
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Belfast, PA
- Average daylight in January:
9h and 39min - Average daylight in February:
10h and 40min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 20min - Average daylight in May:
14h and 28min - Average daylight in June:
15h and 3min
- Average daylight in July:
14h and 46min - Average daylight in August:
13h and 45min - Average daylight in September:
12h and 27min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 55min - Average daylight in December:
9h and 19min
The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Belfast, PA
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
17 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index
Belfast, PA
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Belfast, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Belfast, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
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