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
With the start of April, the average high-temperature marginally shifts from March's icy 41.5°F (5.3°C) to a frosty 47.1°F (8.4°C). A slight dip in temperature to a wintry 42.4°F (5.8°C) marks the average nights during April.Humidity
In Dennis, the average relative humidity in April is 79%.Rainfall
In Dennis, in April, it is raining for 12 days, with typically 1.26" (32mm) of accumulated precipitation. In Dennis, during the entire year, the rain falls for 129.6 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through April and December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Dennis aggregates 0.08" (2mm) of snow. In Dennis, during the entire year, snow falls for 21.6 days and aggregates up to 2.17" (55mm) of snow.Daylight
In April, the average length of the day in Dennis, Massachusetts, is 13h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:06 pm. On the last day of April, sunrise is at 5:37 am and sunset at 7:38 pm EDT.
Sunshine
In Dennis, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during April leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Dennis?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Dennis, MA
- Average high temperature in April: 47.1°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in April
Dennis, MA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Dennis, MA
- Average wind speed in April: 13.9mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in April
Dennis, MA
- Average humidity in April: 79%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in April
Dennis, MA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in April
Dennis, MA
- Average rainfall days in April: 12 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Dennis, MA
- Average snowfall in April: 0.08"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in April
Dennis, MA
- Average snowfall days in April: 0.8 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
Dennis, MA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
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 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in April
Dennis, MA
- Average sunshine days in April: 15.7 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in April
Dennis, MA
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Dennis, MA
- Average cloud cover in April: 44
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Dennis, MA
- 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).
Dennis, Massachusetts, USA
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