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 sea temperature 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
In April, the average high-temperature increases from a chilly 43.5°F (6.4°C) in March to a cool 53.2°F (11.8°C). In April, the average low-temperature is 42.1°F (5.6°C).Humidity
In Jamestown, the average relative humidity in April is 74%.Rainfall
In Jamestown, during 15.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Jamestown, there are 148.1 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
In Jamestown, snow does not fall in April, June through October.Ocean temperature
In Jamestown, the average seawater temperature in April is 44.4°F (6.9°C).Note: Swimming in 44.4°F (6.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In Jamestown, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:43 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in April is 8.3h.UV index
In Jamestown, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in April in Jamestown?
What is the average humidity in April in Jamestown?
How many days does it rain in April in Jamestown?
When it does not snow in Jamestown?
Does it snow in Jamestown in April?
What is the ocean temperature in April in Jamestown?
What is the average length of the day in April in Jamestown?
When is the sunrise / sunset in April in Jamestown?
How many hours of sunshine does Jamestown have in April?
How high is the UV index in April in Jamestown?
Average temperature in April
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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 sea temperature in April
Jamestown, RI
- Average sea temperature in April: 44.5°F
The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in April /
Average sunshine in April
Jamestown, RI
- Average daylight in April: 13h and 22min
The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).
- Average sunshine in April: 8h and 18min
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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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).
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