April weather forecast
Sumner, ME

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Weather in April

April is a chilly spring month in Sumner, Maine, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 47.7°F (8.7°C).

Temperature

Sumner's weather in April shows a rise in the average high-temperature, moving up from March's cold 34.2°F (1.2°C) to a frosty 47.7°F (8.7°C). Sumner, in April, experiences an average temperature of 30.9°F (-0.6°C) at night.

Humidity

In Sumner, the average relative humidity in April is 79%.

Rainfall

In Sumner, in April, it is raining for 13.9 days, with typically 3.11" (79mm) of accumulated precipitation. In Sumner, during the entire year, the rain falls for 146.3 days and collects up to 28.31" (719mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In April, it is snowing for 5.8 days. Throughout April, 5.98" (152mm) of snow is accumulated. Throughout the year, there are 69.3 snowfall days, and 48.15" (1223mm) of snow is accumulated.

Daylight

In Sumner, the average length of the day in April is 13h and 30min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of April, sunrise is at 5:32 am and sunset at 7:45 pm EDT.

Sunshine

In April, the average sunshine is 6.9h.

UV index

In Sumner, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

April temperatures vary between a high-temperature of 47.7°F (8.7°C) and a low-temperature of 30.9°F (-0.6°C).

What is the average humidity in April?

In Sumner, the average relative humidity in April is 79%.

How many days does it rain in April?

In April, in Sumner, the rain falls for 13.9 days. Throughout April, 3.11" (79mm) of precipitation is accumulated.

How much does it snow in Sumner in April?

In Sumner, during April, snow falls for 5.8 days and regularly aggregates up to 5.98" (152mm) of snow.

What is the average length of the day in April?

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

What time are sunrise and sunset in April?

On the first day of April in Sumner, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 7:45 pm EDT.

How long on average sun shines in April?

In April, the average sunshine duration is 6.9h.

What is the UV index intensity in April in Sumner?

In Sumner, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Sumner, ME

Average temperature in April - Sumner, ME
  • Average high temperature in April: 47.7°F

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).

  • Average low temperature in April: 30.9°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 in April
Sumner, ME

Average pressure in April - Sumner, ME
  • Average pressure in April: 29.95"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 in April
Sumner, ME

Average wind speed in April - Sumner, ME
  • Average wind speed in April: 6.5mph

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 in April
Sumner, ME

Average humidity in April - Sumner, ME
  • Average humidity in April: 79%

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 in April
Sumner, ME

Average rainfall in April - Sumner, ME
  • Average rainfall in April: 3.11"

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 in April
Sumner, ME

Average rainfall days in April - Sumner, ME
  • Average rainfall days in April: 13.9 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 in April
Sumner, ME

Average snowfall in April - Sumner, ME
  • Average snowfall in April: 5.98"

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 in April
Sumner, ME

Average snowfall days in April - Sumner, ME
  • Average snowfall days in April: 5.8 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 in April /
Average sunshine in April
Sumner, ME

Average daylight in April / Average sunshine in April - Sumner, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in April
Sumner, ME

Average sunshine days in April - Sumner, ME
  • Average sunshine days in April: 11.3 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 in April
Sumner, ME

Average UV index in April - Sumner, 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 February and December (UV index 1).

Average cloud cover in April
Sumner, ME

Average cloud cover in April - Sumner, ME
  • Average cloud cover in April: 55

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 in April
Sumner, ME

Average visibility in April - Sumner, ME
  • Average visibility in April: 4mi

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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