April weather forecast
Bangor, ME

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The neon-lit city of Bangor, Maine, at night with the clear sky and neon lights reflected in the water below
The neon-lit city of Bangor, Maine, at night with the clear sky and neon lights reflected in the water below

Weather in April

With Bangor stepping into April, the significant changes shake the standard weather yards of the city. The snowfall plummets from 4.72" (120mm) in March to a mere 0.55" (14mm), signaling the close of snowfall season. The residents now find the outside temperatures fluctuating between 50°F (10°C) high and 33.6°F (0.9°C) low, setting the stage for the arrival of spring. The springtime showers make their first appearance, causing a consistently high relative humidity. The city decks up in vibrant spring blooms, thanks to the infrequent sunshine and moderate rainfall.

Temperature

The transition to April introduces an increase in the average high-temperature, shifting from an icy 36.7°F (2.6°C) in March to a cool 50°F (10°C). Bangor, during the month of April, experiences an average low-temperature of 33.6°F (0.9°C).

Humidity

April and May, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Bangor, in April, during 15.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Bangor, during the entire year, the rain falls for 148.5 days and collects up to 29.8" (757mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In April, it is snowing for 3.9 days. Throughout April, 4.53" (115mm) of snow is accumulated. In Bangor, during the entire year, snow falls for 58 days and aggregates up to 34.09" (866mm) of snow.

Daylight

In April, the average length of the day is 13h and 31min.
On the first day of April, sunrise is at 6:14 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in April in Bangor is 7h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the average April temperature?

Bangor in April has an average high-temperature of 50°F (10°C) and an average low-temperature of 33.6°F (0.9°C).

What is the least humid month?

The months with the lowest humidity are April and May, with an average relative humidity of 77%.

What is the average humidity in April?

The average relative humidity in April is 77%.

How many days does it rain in April?

In Bangor, in April, it is raining for 15.8 days, with typically 3.23" (82mm) of accumulated precipitation.

How many days does it snow in April?

In Bangor, in April, during 3.9 snowfall days, 4.53" (115mm) of snow is typically accumulated.

How many hours of daylight does Bangor have in April?

The average day length in April is 13h and 31min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:14 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 7:39 pm EDT.

How long on average sun shines in April in Bangor?

In Bangor, the average sunshine duration in April is 7h.

How high is the UV index in April?

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Bangor, ME

Average temperature in April - Bangor, ME
  • Average high temperature in April: 50°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in April: 33.6°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in April
Bangor, ME

Average pressure in April - Bangor, ME
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Bangor, ME

Average wind speed in April - Bangor, ME
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in April
Bangor, ME

Average humidity in April - Bangor, ME
  • Average humidity in April: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).

Average rainfall in April
Bangor, ME

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

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").

Average rainfall days in April
Bangor, ME

Average rainfall days in April - Bangor, ME
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in April
Bangor, ME

Average snowfall in April - Bangor, ME
  • Average snowfall in April: 4.53"

The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Bangor, ME

Average snowfall days in April - Bangor, ME
  • Average snowfall days in April: 3.9 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Bangor, 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: 7h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in April
Bangor, ME

Average sunshine days in April - Bangor, ME
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in April
Bangor, ME

Average UV index in April - Bangor, 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).

Average cloud cover in April
Bangor, ME

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

The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in April
Bangor, ME

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

The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).

Bangor, Maine, USA

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