April weather forecastRockport, ME
April
Weather in April
April showers grace Rockport, inducing a fresh lease of life into the flora. Almost doubling the previous averages, the recorded temperature highs reach 46.9°F (8.3°C). An increase in rainfall is noted, with an average precipitation of 1.42" (36mm) over 13.2 days. As the snow melts, the city swells with life again, ready to bloom under spring’s touch. April's showers and rising temperatures awaken the city, bringing an end to winter hibernation.Temperature
With the beginning of April, Rockport's average high-temperature sees an increase, transitioning from a wintry 37.2°F (2.9°C) in March to a chilly 46.9°F (8.3°C). In the month of April, the temperature in Rockport generally rests at an average low of 36.7°F (2.6°C).Humidity
The average relative humidity in April is 78%.Rainfall
The wettest months in Rockport are April, November and December, with an average 1.42" (36mm) of rainfall.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Rockport. During 2.2 snowfall days, in April, Rockport aggregates 0.91" (23mm) of snow. In Rockport, during the entire year, snow falls for 32.6 days and aggregates up to 7.05" (179mm) of snow.Ocean temperature
In April, the average ocean temperature is 40.6°F (4.8°C).Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
Daylight
In April, the average length of the day is 13h and 29min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:03 pm. On the last day of April, in Rockport, sunrise is at 5:27 am and sunset at 7:39 pm EDT.
Sunshine
The average sunshine in April in Rockport, Maine, is 7.6h.UV index
In April, the average daily maximum UV index in Rockport is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rockport, ME
- Average high temperature in April: 46.9°F
The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 36.7°F
The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Rockport, 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
Rockport, ME
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in April
Rockport, ME
- Average humidity in April: 78%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Rockport, ME
- Average rainfall in April: 1.42"
The wettest months (with the highest rainfall) are April, November and December (1.42").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in April
Rockport, ME
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is April (13.2 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in April
Rockport, ME
- Average snowfall in April: 0.91"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Rockport, ME
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in April
Rockport, 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).
Average daylight in April /
Average sunshine in April
Rockport, ME
- Average daylight in April: 13h and 30min
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 36min
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 36min).
Average sunshine days in April
Rockport, ME
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in April
Rockport, 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).
Average cloud cover in April
Rockport, ME
- Average cloud cover in April: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Rockport, 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).





