April weather forecast
Rockland, ME

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A US flag flying outside a lighthouse on the water in Rockland, Maine
A US flag flying outside a lighthouse on the water in Rockland, Maine

Weather in April

In April, Rockland, Maine experiences more drastic temperature changes with the upper limit jumping to 45.9°F (7.7°C). This is accompanied by an increase in rainfall, with precipitation escalating to 2.99" (76mm) for the month. As a result, April ushers in a noticeably wetter season. The longer days provide more daylight for outdoor activities. Despite increased rainfall, the number of sunny days also rises, making the weather conditions more balanced and less harsh.

Temperature

Observing a minor shift, the average high-temperature during April adjusts from March's cold 37.6°F (3.1°C) to a chilly 45.9°F (7.7°C). Recording a slight drop from the daily maximum, Rockland notes an average low temperature of 37.8°F (3.2°C) in the month of April.

Humidity

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

Rainfall

In Rockland, in April, it is raining for 15.8 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, in Rockland, there are 144.8 rainfall days, and 30.63" (778mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Rockland. April is the last month it regularly snows in Rockland. During 2 snowfall days, in April, Rockland aggregates 1.1" (28mm) of snow. Throughout the year, in Rockland, there are 33.1 snowfall days, and 12.36" (314mm) of snow is accumulated.

Ocean temperature

In Rockland, the average seawater temperature in April is 40.6°F (4.8°C).
Note: During swimming activities, this is a serious life-threatening hazard. Rapid loss of control over breathing impairs cognitive abilities. A specialized swimsuit is essential to limit thermal wastage.

Daylight

In April, the average length of the day is 13h and 29min.
On the first day of April in Rockland, sunrise is at 6:16 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in April is 7.6h.

UV index

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In April, an average UV index of 3 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What are the temperatures in Rockland in April?

The high-temperature in Rockland, Maine, during April is 45.9°F (7.7°C) and the low-temperature is 37.8°F (3.2°C).

What is the average humidity in April in Rockland?

The average relative humidity in April is 79%.

How many days does it rain in April in Rockland?

In Rockland, in April, it is raining for 15.8 days, with typically 2.99" (76mm) of accumulated precipitation.

What is the last month it snows in Rockland?

April is the last month it regularly snows in Rockland. During 2 snowfall days, in April, Rockland aggregates 1.1" (28mm) of snow.

What is the water temperature in April in Rockland?

In Rockland, in April, the average water temperature is 40.6°F (4.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Rockland have in April?

In April, the average day length in Rockland is 13h and 29min.

When is the sunrise / sunset in April in Rockland?

On the first day of April in Rockland, sunrise is at 6:16 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 7:39 pm EDT.

How long on average sun shines in April in Rockland?

The average sunshine duration in April in Rockland, Maine, is 7.6h.

What is the UV index reading in April in Rockland?

In Rockland, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Rockland, ME

Average temperature in April - Rockland, ME
  • Average high temperature in April: 45.9°F

The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in April: 37.8°F

The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in April
Rockland, ME

Average pressure in April - Rockland, 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).

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Average wind speed in April
Rockland, ME

Average wind speed in April - Rockland, ME
  • Average wind speed in April: 12.2mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

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Average humidity in April
Rockland, ME

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in April
Rockland, ME

Average rainfall in April - Rockland, ME
  • Average rainfall in April: 2.99"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in April
Rockland, ME

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

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in April
Rockland, ME

Average snowfall in April - Rockland, ME
  • Average snowfall in April: 1.1"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Rockland, ME

Average snowfall days in April - Rockland, ME
  • Average snowfall days in April: 2 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in April
Rockland, ME

Average sea temperature in April - Rockland, ME
  • Average sea temperature in April: 40.7°F

The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

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Average sunshine days in April
Rockland, ME

Average sunshine days in April - Rockland, ME
  • Average sunshine days in April: 11.5 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).

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Average UV index in April
Rockland, ME

Average UV index in April - Rockland, 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, November and December (UV index 2).

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Average cloud cover in April
Rockland, ME

Average cloud cover in April - Rockland, ME
  • Average cloud cover in April: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in April
Rockland, ME

Average visibility in April - Rockland, ME
  • Average visibility in April: 6mi

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

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Rockland, Maine, USA

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