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
Portsmouth's April weather shows an increase in high-temperatures, moving from March's chilly 43.5°F (6.4°C) to a cool 53.2°F (11.8°C). The temperature lowers to an average of 42.1°F (5.6°C) during April nights.Humidity
In Portsmouth, the average relative humidity in April is 74%.Rainfall
In April, in Portsmouth, the rain falls for 15.6 days. Throughout April, 2.95" (75mm) of precipitation is accumulated. In Portsmouth, during the entire year, the rain falls for 148.1 days and collects up to 29.65" (753mm) of precipitation.Snowfall
In Portsmouth, snow does not fall in April, June through October.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:10 pm. On the last day of April, in Portsmouth, sunrise is at 5:41 am and sunset at 7:42 pm EDT.
Sunshine
The average sunshine in April in Portsmouth is 8.3h.UV index
In Portsmouth, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are April temperatures in Portsmouth?
What is the average humidity in April in Portsmouth?
How much does it rain in Portsmouth in April?
When it does not snow in Portsmouth?
Does it snow in Portsmouth in April?
How many hours of daylight does Portsmouth have in April?
What time are sunrise and sunset in April in Portsmouth?
How long on average sun shines in April in Portsmouth?
What is the UV index intensity in April in Portsmouth?
Average temperature in April
Portsmouth, RI
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in April
Portsmouth, RI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Portsmouth, RI
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in April
Portsmouth, RI
- Average humidity in April: 74%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall in April
Portsmouth, RI
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in April
Portsmouth, RI
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in April
Portsmouth, RI
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in April
Portsmouth, RI
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Portsmouth, RI
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Portsmouth, RI
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in April
Portsmouth, RI
- Average UV index in April: 3
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, March and December (UV index 2).
Average cloud cover in April
Portsmouth, RI
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Portsmouth, RI
- 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).
Portsmouth, Rhode Island, USA
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