April weather forecastYork Harbor, ME
April
Weather in April
April in York Harbor, Maine, is a cool spring month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 50.5°F (10.3°C).Temperature
As April begins, there is an increase in the average high-temperature, moving from a wintry 40.1°F (4.5°C) in March to a cool 50.5°F (10.3°C). April sees the temperature falling to a mean low of 37.9°F (3.3°C).Humidity
The months with the lowest humidity in York Harbor are April and November, with an average relative humidity of 75%.Rainfall
In April, in York Harbor, the rain falls for 12.6 days. Throughout April, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 130.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, York Harbor aggregates 0.87" (22mm) of snow. In York Harbor, during the entire year, snow falls for 28.5 days and aggregates up to 14.25" (362mm) of snow.Ocean temperature
In York Harbor, the average seawater temperature in April is 42.4°F (5.8°C).Note: Swimming at temperatures less than 50°F (10°C) in 42.4°F (5.8°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.
Daylight
In York Harbor, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:09 pm. On the last day of April, in York Harbor, sunrise is at 5:36 am and sunset at 7:43 pm EDT.
Sunshine
The average sunshine in April in York Harbor is 8.1h.UV index
The average daily maximum UV index in April in York Harbor is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
York Harbor, ME
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
York Harbor, ME
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
York Harbor, ME
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in April
York Harbor, ME
- Average humidity in April: 75%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in April
York Harbor, ME
- Average rainfall in April: 2.01"
The wettest months (with the highest rainfall) are June and December (2.13").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in April
York Harbor, ME
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in April
York Harbor, ME
- Average snowfall in April: 0.87"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
York Harbor, ME
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in April
York Harbor, ME
- Average sea temperature in April: 42.4°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in April /
Average sunshine in April
York Harbor, ME
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in April
York Harbor, ME
- Average sunshine days in April: 15.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in April
York Harbor, ME
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
York Harbor, ME
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
York Harbor, 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).





