Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The start of April brings a shift in the average high-temperature, increasing from March's chilly 48°F (8.9°C) to a mild 60.3°F (15.7°C). Castine's temperature lowers to a mean of 43.2°F (6.2°C) during the nights in April.Humidity
The average relative humidity in April in Castine is 77%.Rainfall
In Castine, in April, it is raining for 16.9 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 168.9 rainfall days, and 33.46" (850mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Castine. April is the last month it regularly snows in Castine, Ohio. 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 in Castine is 13h and 17min.On the first day of April, sunrise is at 7:21 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:32 pm EDT.
Sunshine
In Castine, Ohio, the average sunshine in April is 7h.UV index
In Castine, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during April leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Castine in April?
What is the average humidity in April in Castine?
How many days does it rain in April in Castine?
What is the last month it snows in Castine?
What is the average length of the day in April in Castine?
When is the sunrise / sunset in April in Castine?
How many hours of sunshine does Castine have in April?
What is the UV index reading in April in Castine?
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 2min
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).
Castine, Ohio, USA
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