Climate and monthly weather forecastPalermo, ME
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Palermo, Maine, with an average temperature ranging between min 12.9°F (-10.6°C) and max 27°F (-2.8°C). January is Palermo's coldest month, registering average high temperatures of 27°F (-2.8°C) and lows of 12.9°F (-10.6°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Palermo, Maine, with an average temperature fluctuating between 28.8°F (-1.8°C) and 14.4°F (-9.8°C). Palermo, Maine, observes a minor difference in average high-temperatures between January's 27°F (-2.8°C) and February's 28.8°F (-1.8°C). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Palermo, Maine, with an average temperature ranging between max 36.7°F (2.6°C) and min 21.9°F (-5.6°C). Palermo's transition into March sees a mild rise in the average high-temperature, edging from a freezing cold 28.8°F (-1.8°C) in February to a cold 36.7°F (2.6°C). Weather in March »Weather in April
April in Palermo, Maine, is a chilly spring month, with an average temperature ranging between max 49.6°F (9.8°C) and min 33.4°F (0.8°C). With the onset of April, the average high-temperature slightly shifts from March's icy 36.7°F (2.6°C) to a frosty 49.6°F (9.8°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Palermo, Maine, with an average temperature fluctuating between 43.3°F (6.3°C) and 61.7°F (16.5°C). May's onset brings a rise in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in April to an enjoyable 61.7°F (16.5°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Palermo, Maine, with an average temperature fluctuating between 69.3°F (20.7°C) and 50.5°F (10.3°C). In June, the meteorological conditions subtly change with the average high-temperature edging from an enjoyable 61.7°F (16.5°C) in May to a pleasant 69.3°F (20.7°C). Weather in June »Weather in July
July is a warm summer month in Palermo, Maine, with an average temperature varying between 56.8°F (13.8°C) and 76.1°F (24.5°C). In Palermo, the month of July is known for its highest average temperatures, reaching a high of 76.1°F (24.5°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 also a moderately hot month in Palermo, Maine, with an average temperature fluctuating between 55.9°F (13.3°C) and 75.9°F (24.4°C). The introduction of August sees an average high-temperature of a still warm 75.9°F (24.4°C), hardly deviating from July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Palermo, Maine, with an average temperature ranging between max 68.9°F (20.5°C) and min 49.3°F (9.6°C). The beginning of September brings a minor change in the average high-temperature, shifting from a warm 75.9°F (24.4°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Palermo, Maine, with temperature in the range of an average low of 41°F (5°C) and an average high of 56.3°F (13.5°C). Palermo's average high-temperature decreases in October, falling from an agreeable 68.9°F (20.5°C) in September to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
November, the last month of the autumn in Palermo, is another chilly month, with an average temperature fluctuating between 43.7°F (6.5°C) and 30.6°F (-0.8°C). As Palermo enters November, the average high-temperature decreases from the a refreshing 56.3°F (13.5°C) of October to a chilly 43.7°F (6.5°C). Weather in November »Weather in December
December, the first month of the winter in Palermo, is also a wintry month, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 21.4°F (-5.9°C). Palermo's December weather comes with a decrease in average high-temperatures, moving from a chilly 43.7°F (6.5°C) in November to a cold 32.5°F (0.3°C). Weather in December »Updated: Jun 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high temperatures of 27°F (-2.8°C) and lows of 12.9°F (-10.6°C), January is the coldest month.
The months with the highest humidity are January through March, with an average relative humidity of 84%.
In Palermo, during the entire year, the rain falls for 143.5 days and collects up to 31.02" (788mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 11.5 days and accumulates 7.8" (198mm) of snow.
Throughout the year, there are 50.1 snowfall days, and 32.87" (835mm) of snow is accumulated.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least sunshine is February, with an average of 4.4h of sunshine.
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.
April and November, with an average relative humidity of 78%, are the least humid months.
In Palermo, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 30min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
In Palermo, the average highest temperatures are observed in July, with a high of 76.1°F (24.5°C) and a low of 56.8°F (13.8°C).
The month with the most sunshine is August, with an average of 9.8h of sunshine.
The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 1.61" (41mm) of precipitation.
December is the month with the most rainfall. Rain falls for 9.5 days and accumulates 3.35" (85mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Palermo, ME
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27°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 (12.9°F).
Average pressure
Palermo, ME
- Average pressure in January:
29.97"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
30.01"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:
30.04"Hg - Average pressure in December:
30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Palermo, ME
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Palermo, ME
The months with the highest relative humidity are January, February and March (84%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall
Palermo, ME
- Average rainfall in January:
2.48" - Average rainfall in February:
2.24" - Average rainfall in March:
2.36" - Average rainfall in April:
3.23" - Average rainfall in May:
2.4" - Average rainfall in June:
2.8"
- Average rainfall in July:
1.81" - Average rainfall in August:
2.56" - Average rainfall in September:
1.61" - Average rainfall in October:
3.23" - Average rainfall in November:
2.95" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Palermo, ME
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (6 days).
Average snowfall
Palermo, ME
- Average snowfall in January:
7.8" - Average snowfall in February:
6.97" - Average snowfall in March:
5.12" - Average snowfall in April:
4.65" - Average snowfall in May:
0.63" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Palermo, ME
- Average snowfall days in January:
11.5 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
10.3 days - Average snowfall days in April:
3.9 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:
0.4 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
8.8 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Palermo, ME
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
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 48min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 12min - Average sunshine in April:
6h and 54min - Average sunshine in May:
7h and 42min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 48min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Palermo, ME
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
16 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
15.3 days
The months with the most sunshine days are September and November (16.8 days).
The month with the least sunshine days is April (11.3 days).
Average UV index
Palermo, 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, October, November and December (UV index 2).
Average cloud cover
Palermo, ME
The months with the most cloud cover are February, March and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility
Palermo, ME
The months with the highest visibility are November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (5mi).
