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
April witnesses an increase in the average high-temperature, moving from a fresh 52.5°F (11.4°C) in March to a refreshing 64.9°F (18.3°C). Throughout the nights in April, Portsmouth experiences an average low-temperature of 45.1°F (7.3°C).Humidity
In Portsmouth, Ohio, the average relative humidity in April is 76%.Rainfall
In Portsmouth, Ohio, in April, it is raining for 16 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 170.4 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Portsmouth. During 0.8 snowfall days, in April, Portsmouth aggregates 0.43" (11mm) of snow. Throughout the year, there are 36.7 snowfall days, and 11.57" (294mm) of snow is accumulated.Daylight
In April, the average length of the day in Portsmouth, Ohio, is 13h and 14min.On the first day of April, sunrise is at 7:15 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:23 pm EDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In April, the average daily maximum UV index in Portsmouth is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in April in Portsmouth?
What is the average humidity in April in Portsmouth?
How much does it rain in Portsmouth in April?
What is the last month it snows in Portsmouth?
What is the average length of the day in April in Portsmouth?
What time are sunrise and sunset in April in Portsmouth?
How many hours of sunshine does Portsmouth have in April?
What is the UV index intensity in April in Portsmouth?
Average temperature in April
Portsmouth, OH
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Portsmouth, OH
- Average pressure in April: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in April
Portsmouth, OH
- Average wind speed in April: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Portsmouth, OH
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in April
Portsmouth, OH
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Portsmouth, OH
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in April
Portsmouth, OH
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Portsmouth, OH
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Portsmouth, OH
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Portsmouth, OH
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in April
Portsmouth, OH
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Portsmouth, OH
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Portsmouth, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Portsmouth, Ohio, USA
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