April weather forecastCastine, OH
April
Weather in April
April in Castine, Ohio, is a refreshing spring month, with an average temperature fluctuating between 60.3°F (15.7°C) and 43.2°F (6.2°C).Temperature
Castine's transition into April brings a rise in the average high-temperature, moving from a frosty 48°F (8.9°C) in March to a refreshing 60.3°F (15.7°C). An average low-temperature of 43.2°F (6.2°C) is recorded in the month of April in Castine.Humidity
In Castine, the average relative humidity in April is 77%.Rainfall
In Castine, in April, during 16.9 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Castine, during the entire year, the rain falls for 168.9 days and collects up to 33.46" (850mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.6 snowfall days, in April, Castine aggregates 0.47" (12mm) of snow. Throughout the year, there are 44.1 snowfall days, and 14.8" (376mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 7:21 am and sunset at 8:03 pm. On the last day of April, sunrise is at 6:38 am and sunset at 8:32 pm EDT.
Sunshine
In Castine, the average sunshine in April is 7h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during April translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Castine, OH
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in April: 43.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Castine, OH
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Castine, OH
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
Castine, OH
- Average humidity in April: 77%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Castine, OH
- Average rainfall in April: 3.39"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in April
Castine, OH
- Average rainfall days in April: 16.9 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in April
Castine, OH
- Average snowfall in April: 0.47"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Castine, OH
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Castine, OH
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Castine, OH
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in April
Castine, OH
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Castine, OH
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Castine, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





