April weather forecast
Sumner, ME

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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).

Temperature

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). During the nights in April, Sumner observes an average low-temperature of 30.9°F (-0.6°C).

Humidity

The average relative humidity in April is 79%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. In April, it is snowing for 5.8 days. Throughout April, 5.98" (152mm) of snow is accumulated. In Sumner, during the entire year, snow falls for 69.3 days and aggregates up to 48.15" (1223mm) of snow.

Daylight

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 April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during April, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What are April temperatures in Sumner?

During April, Sumner experiences an average 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 in Sumner, Maine, is 79%.

How much does it rain in Sumner in April?

In Sumner, Maine, during April, the rain falls for 13.9 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How much does it snow in Sumner in April?

In April, it is snowing for 5.8 days. Throughout April, 5.98" (152mm) of snow is accumulated.

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

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

When is the sunrise / sunset in April in Sumner?

On the first day of April, 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 Sumner?

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

How high is the UV index in April in Sumner?

In April, the average daily maximum UV index in Sumner, Maine, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Sumner, Maine, USA

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