April weather forecast
Palermo, ME

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Weather in April

April in Palermo, Maine, is a chilly spring month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 49.6°F (9.8°C).

Temperature

The shift from March to April brings an increase in the average high-temperature, moving from an icy 36.7°F (2.6°C) to a chilly 49.6°F (9.8°C). During the April nights, an average temperature of 33.4°F (0.8°C) is observed.

Humidity

The months with the lowest humidity in Palermo are April and November, with an average relative humidity of 78%.

Rainfall

In Palermo, during April, the rain falls for 14.6 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Palermo, Maine, there are 143.5 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Palermo. In Palermo, during April, snow falls for 3.9 days and regularly aggregates up to 4.65" (118mm) of snow. In Palermo, during the entire year, snow falls for 50.1 days and aggregates up to 32.87" (835mm) of snow.

Daylight

In April, the average length of the day in Palermo is 13h and 30min.
On the first day of April in Palermo, Maine, sunrise is at 6:17 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 7:41 pm EDT.

Sunshine

In Palermo, the average sunshine in April is 6.9h.

UV index

In April, the average daily maximum UV index in Palermo is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 3 during April translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in April in Palermo?

In Palermo, in April, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 33.4°F (0.8°C).

What are the least humid months in Palermo?

April and November, with an average relative humidity of 78%, are the least humid months in Palermo, Maine.

What is the average humidity in April in Palermo?

The average relative humidity in April in Palermo, Maine, is 78%.

How many days does it rain in April in Palermo?

In Palermo, Maine, in April, it is raining for 14.6 days, with typically 3.23" (82mm) of accumulated precipitation.

How many days does it snow in April in Palermo?

In April, in Palermo, Maine, it is snowing for 3.9 days. Throughout April, 4.65" (118mm) of snow is accumulated.

What is the average length of the day in April in Palermo?

In April, the average day length in Palermo is 13h and 30min.

When is the sunrise / sunset in April in Palermo?

On the first day of April in Palermo, Maine, sunrise is at 6:17 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 7:41 pm EDT.

How many hours of sunshine does Palermo have in April?

In April, the average sunshine duration in Palermo, Maine, is 6.9h.

What is the UV index reading in April in Palermo?

The average daily maximum UV index in April in Palermo, Maine, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Palermo, ME

Average temperature in April - Palermo, ME
  • Average high temperature in April: 49.6°F

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).

  • Average low temperature in April: 33.4°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).

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Average pressure in April
Palermo, ME

Average pressure in April - Palermo, ME
  • Average pressure in April: 29.95"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).

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Average wind speed in April
Palermo, ME

Average wind speed in April - Palermo, ME
  • Average wind speed in April: 8.3mph

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).

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Average humidity in April
Palermo, ME

Average humidity in April - Palermo, ME
  • Average humidity in April: 78%

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%).

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Average rainfall in April
Palermo, ME

Average rainfall in April - Palermo, ME
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in April
Palermo, ME

Average rainfall days in April - Palermo, ME
  • Average rainfall days in April: 14.6 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).

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Average snowfall in April
Palermo, ME

Average snowfall in April - Palermo, ME
  • Average snowfall in April: 4.65"

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Palermo, ME

Average snowfall days in April - Palermo, ME
  • Average snowfall days in April: 3.9 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).

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Average daylight in April /
Average sunshine in April
Palermo, ME

Average daylight in April / Average sunshine in April - Palermo, ME
  • Average daylight in April: 13h and 3min

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 April: 6h and 5min

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).

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Average sunshine days in April
Palermo, ME

Average sunshine days in April - Palermo, ME
  • Average sunshine days in April: 11.3 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).

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Average UV index in April
Palermo, ME

Average UV index in April - Palermo, ME
  • Average UV index in April: 3

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).

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Average cloud cover in April
Palermo, ME

Average cloud cover in April - Palermo, ME
  • Average cloud cover in April: 54

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).

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Average visibility in April
Palermo, ME

Average visibility in April - Palermo, ME
  • Average visibility in April: 5mi

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).

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Palermo, Maine, USA

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