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 sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Belfast, Maine, with an average temperature varying between 28.4°F (-2°C) and 16.2°F (-8.8°C). With an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.2°F (-8.8°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Belfast, Maine, with an average temperature fluctuating between 17.4°F (-8.1°C) and 29.8°F (-1.2°C). In Belfast, the average high-temperature in February is almost the same as in January - a still subzero cold 29.8°F (-1.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Belfast, Maine, with an average temperature ranging between max 37°F (2.8°C) and min 24.3°F (-4.3°C). In March, the average high-temperature slightly increases from a subzero cold 29.8°F (-1.2°C) in February to a cold 37°F (2.8°C). Weather in March »
Weather in April
April is a chilly spring month in Belfast, Maine, with an average temperature ranging between min 34.5°F (1.4°C) and max 48.9°F (9.4°C). In Belfast, the average high-temperature in April increases from a cold 37°F (2.8°C) in March to a frosty 48.9°F (9.4°C). Weather in April »
Weather in May
May, the last month of the spring in Belfast, is a mild month, with an average temperature fluctuating between 59.7°F (15.4°C) and 43.9°F (6.6°C). In May, the average high-temperature rises from a chilly 48.9°F (9.4°C) in April to a moderate 59.7°F (15.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Belfast, Maine, with an average temperature ranging between min 50.7°F (10.4°C) and max 66.7°F (19.3°C). In June, the average high-temperature marginally rises from a mild 59.7°F (15.4°C) in May to a comfortable 66.7°F (19.3°C). Weather in June »
Weather in July
July is a moderately hot summer month in Belfast, Maine, with an average temperature ranging between min 57.7°F (14.3°C) and max 73.9°F (23.3°C). The warmest months are July and August, with an average high-temperature of 73.9°F (23.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Belfast, Maine, with an average temperature fluctuating between 73.9°F (23.3°C) and 56.8°F (13.8°C). The warmest months are July and August, with an average high-temperature of 73.9°F (23.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Belfast, is also an enjoyable month, with an average temperature fluctuating between 67.1°F (19.5°C) and 51.1°F (10.6°C). In Belfast, the average high-temperature in September slightly decreases from a moderately hot 73.9°F (23.3°C) in August to a comfortable 67.1°F (19.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Belfast, Maine, with an average temperature varying between 43.2°F (6.2°C) and 55.8°F (13.2°C). In October, the average high-temperature drops from an enjoyable 67.1°F (19.5°C) in September to a moderate 55.8°F (13.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Belfast, Maine, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 32.7°F (0.4°C). In Belfast, the average high-temperature in November drops from a mild 55.8°F (13.2°C) in October to a frosty 44.1°F (6.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Belfast, Maine, with an average temperature ranging between max 34.2°F (1.2°C) and min 24.1°F (-4.4°C). In December, the average high-temperature decreases from a chilly 44.1°F (6.7°C) in November to a cold 34.2°F (1.2°C). Weather in December »
[Resources]FAQ
What is the coldest month in Belfast?
January is the coldest month in Belfast, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.2°F (-8.8°C).
How many days does it rain in Belfast?
In Belfast, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.
When does it snow in Belfast?
January through May, October through December are months with snowfall in Belfast.
When does it snow the most in Belfast?
January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.57" (116mm) of snow.
How many days does it snow in Belfast?
In Belfast, Maine, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.
What is the month with the lowest UV index in Belfast?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Belfast.
What are the most humid months in Belfast?
The months with the highest humidity are February and July, with an average relative humidity of 83%.
What is the month with the least sunshine in Belfast?
The month with the least sunshine is February, with an average of 4.3h of sunshine.
What is the month with the coldest ocean in Belfast?
The month with the coldest seawater is March, with an average ocean temperature of 37.9°F (3.3°C).
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.
When it does not snow in Belfast?
June through September are months without snowfall in Belfast.
When are the longest days in Belfast?
The month with the longest days is June, with an average of 15h and 29min of daylight.
What are the months with the highest UV index in Belfast?
The months with the highest UV index in Belfast, Maine, are June through August, with an average maximum UV index of 5.
What is the warmest month in Belfast?
July and August, with an average high-temperature of 73.9°F (23.3°C), are warmest months in Belfast.
What is the driest month in Belfast?
The months with the least rainfall in Belfast, Maine, are July and September Rain falls for 14.5 days and accumulates 1.46" (37mm) of rain.
When is the ocean warmest in Belfast?
The month with the warmest seawater in Belfast, Maine, is August, with an average ocean temperature of 60.4°F (15.8°C).
What month has the most sunshine in Belfast?
With an average of 9.9h of sunshine, August has the most sunshine of the year in Belfast, Maine.
What is the least humid month in Belfast?
With an average relative humidity of 77%, November is the least humid month in Belfast, Maine.
What is the wettest month in Belfast?
December is the month with the most rainfall in Belfast. Rain falls for 10.1 days and accumulates 2.72" (69mm) of precipitation.
What is the month with the shortest days in Belfast?
With an average of 8h and 55min of daylight, December has the shortest days of the year in Belfast.
Average temperature
Belfast, ME
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Belfast, ME
- Average pressure in January:
29.96"Hg - Average pressure in February:
29.95"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Belfast, ME
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Belfast, ME
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall
Belfast, ME
- Average rainfall in January:
1.93" - Average rainfall in February:
1.65" - Average rainfall in March:
1.57" - Average rainfall in April:
2.64" - Average rainfall in May:
2.05" - Average rainfall in June:
2.09"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.85" - Average rainfall in September:
1.46" - Average rainfall in October:
2.56" - Average rainfall in November:
2.32" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days
Belfast, ME
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
15 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Belfast, ME
- Average snowfall in January:
4.57" - Average snowfall in February:
3.58" - Average snowfall in March:
2.76" - Average snowfall in April:
2.17" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Belfast, ME
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
10 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.1 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:
3.2 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Belfast, ME
The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).
Average daylight / Average sunshine
Belfast, ME
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Belfast, ME
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index
Belfast, ME
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Belfast, ME
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility
Belfast, ME
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
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