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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, the same as December, in Sumner, Maine, is another subzero cold winter month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 10°F (-12.2°C). January proves to be the coldest month, recording an average maximum temperature of 23.7°F (-4.6°C) and a minimum temperature of 10°F (-12.2°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Sumner, Maine, with an average temperature fluctuating between 26.4°F (-3.1°C) and 11.8°F (-11.2°C). February brings a marginal elevation to a still subzero cold 26.4°F (-3.1°C) from January's 23.7°F (-4.6°C) in Sumner's average high-temperatures. Weather in February »
Weather in March
March, the first month of the spring in Sumner, is an icy month, with temperature in the range of an average high of 34.2°F (1.2°C) and an average low of 19.6°F (-6.9°C). March sees a marginal temperature increase, moving from a freezing cold 26.4°F (-3.1°C) in February to a cold 34.2°F (1.2°C). Weather in March »
Weather in April
April in Sumner, Maine, is a frosty spring month, with an average temperature varying between 30.9°F (-0.6°C) and 47.7°F (8.7°C). With the transition into April, Sumner experiences an increase in average high-temperatures, moving up from a cold 34.2°F (1.2°C) in March to a frosty 47.7°F (8.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Sumner, Maine, with an average temperature ranging between max 62.6°F (17°C) and min 41.9°F (5.5°C). As Sumner transitions into May, a noticeable rise in the average high-temperature is observed, soaring from a frosty 47.7°F (8.7°C) in April to a comfortable 62.6°F (17°C). Weather in May »
Weather in June
June, the first month of the summer in Sumner, is an agreeable month, with an average temperature fluctuating between 48.7°F (9.3°C) and 70°F (21.1°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from an enjoyable 62.6°F (17°C) in May to a pleasant 70°F (21.1°C). Weather in June »
Weather in July
July is a warm summer month in Sumner, Maine, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 76.8°F (24.9°C). Sumner's warmest month, July, registers temperatures that range from a high of 76.8°F (24.9°C) to a low of 55.4°F (13°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Sumner, Maine, with an average temperature ranging between min 53.4°F (11.9°C) and max 75.6°F (24.2°C). With the transition into August, Sumner notes an average high-temperature of a still warm 75.6°F (24.2°C), closely resembling July. Weather in August »
Weather in September
September, the first month of the autumn in Sumner, is still a pleasant month, with an average temperature fluctuating between 68°F (20°C) and 47.3°F (8.5°C). September brings a minor shift in the average high-temperature, adjusting from a moderately hot 75.6°F (24.2°C) in August to an agreeable 68°F (20°C). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Sumner, Maine, with an average temperature fluctuating between 39°F (3.9°C) and 54°F (12.2°C). Welcoming October, Sumner observes a shift in the average high-temperature, falling from September's agreeable 68°F (20°C) to a fresh 54°F (12.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Sumner, is also a wintry month, with an average temperature varying between 40.5°F (4.7°C) and 28.8°F (-1.8°C). A shift in the average high-temperature occurs in November, reducing from a fresh 54°F (12.2°C) in October to an icy 40.5°F (4.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Sumner, Maine, with an average temperature varying between 29.1°F (-1.6°C) and 19°F (-7.2°C). The onset of December brings a small change in high-temperatures, falling from an icy 40.5°F (4.7°C) in November to a freezing cold 29.1°F (-1.6°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Sumner?
Sumner records the coldest temperatures in January, averaging a high of 23.7°F (-4.6°C) and a low of 10°F (-12.2°C).
What is the most humid month in Sumner?
The months with the highest humidity in Sumner, Maine, are January through March, with an average relative humidity of 86%.
How much does it rain in Sumner?
Throughout the year, in Sumner, there are 146.3 rainfall days, and 28.31" (719mm) of precipitation is accumulated.
When does it snow in Sumner?
January through May, October through December are months with snowfall in Sumner, Maine.
How many days does it snow in Sumner?
In Sumner, Maine, during the entire year, snow falls for 69.3 days and aggregates up to 48.15" (1223mm) of snow.
What is the snowiest month in Sumner?
The month with the most snowfall in Sumner is February, when snow falls for 15.3 days and typically aggregates up to 12.28" (312mm) of snow.
What is the month with the least sunshine in Sumner?
February has the least sunshine of the year in Sumner, with an average of 4h of sunshine.
What is the month with the lowest UV index in Sumner?
The months with the lowest UV index in Sumner, Maine, are February and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Sumner?
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 are the least humid months in Sumner?
May and November, with an average relative humidity of 76%, are the least humid months in Sumner, Maine.
When it does not snow in Sumner?
June through September are months without snowfall in Sumner, Maine.
When are the longest days in Sumner?
The month with the longest days is June, with an average of 15h and 30min of daylight.
What is the month with the highest UV index in Sumner?
The months with the highest UV index in Sumner, Maine, are June through August, with an average maximum UV index of 5.
What part of the year is the hottest in Sumner?
During the warmest month in Sumner, July, temperatures average a high of 76.8°F (24.9°C) and a low of 55.4°F (13°C).
What is the driest month in Sumner?
July is the month with the least rainfall in Sumner. Rain falls for 14.8 days and accumulates 1.85" (47mm) of precipitation.
What month has the most sunshine in Sumner?
With an average of 9.7h of sunshine, August has the most sunshine of the year in Sumner, Maine.
What is the rainiest month in Sumner?
October is the month with the most rainfall in Sumner. Rain falls for 14.1 days and accumulates 3.31" (84mm) of precipitation.
What is the month with the shortest days in Sumner?
December has the shortest days of the year in Sumner, with an average of 8h and 54min of daylight.
Average temperature
Sumner, ME
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure
Sumner, ME
- Average pressure in January:
29.98"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.98"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:
30"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.02"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Sumner, ME
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Sumner, ME
The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).
Average rainfall
Sumner, ME
- Average rainfall in January:
2.09" - Average rainfall in February:
2.13" - Average rainfall in March:
2.05" - Average rainfall in April:
3.11" - Average rainfall in May:
2.17" - Average rainfall in June:
2.76"
- Average rainfall in July:
1.85" - Average rainfall in August:
2.13" - Average rainfall in September:
1.89" - Average rainfall in October:
3.31" - Average rainfall in November:
2.32" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days
Sumner, ME
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
11 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).
Average snowfall
Sumner, ME
- Average snowfall in January:
9.41" - Average snowfall in February:
12.28" - Average snowfall in March:
7.83" - Average snowfall in April:
5.98" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sumner, ME
- Average snowfall days in January:
14.5 days - Average snowfall days in February:
15.3 days - Average snowfall days in March:
13.8 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
0.4 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:
1.2 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sumner, 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 2min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 4min - 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Sumner, ME
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
11.6 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index
Sumner, ME
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Sumner, ME
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility
Sumner, ME
The months with the highest visibility are May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, July, August and September (4mi).
Sumner, Maine, USA
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