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 shows a rise in the average high-temperature, moving from March's cold 40.6°F (4.8°C) to a fresh 54°F (12.2°C). Throughout April, Princeton's nights cool down to an average of 36.9°F (2.7°C).Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
In Princeton, during April, the rain falls for 11.8 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Princeton, during the entire year, the rain falls for 119.4 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Princeton, in April, snow falls for 2.9 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, in Princeton, there are 41.1 snowfall days, and 13.27" (337mm) of snow is accumulated.Daylight
In April, the average length of the day in Princeton is 13h and 24min.On the first day of April, sunrise is at 6:28 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:46 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Princeton, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Exercise prevention - Warding off sunburn is urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Princeton have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Princeton have in April?
What is the UV index reading in April?
Average temperature in April
Princeton, MA
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in April
Princeton, MA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Princeton, MA
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Princeton, MA
- Average humidity in April: 73%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Princeton, MA
- Average rainfall in April: 1.18"
The wettest months (with the highest rainfall) are June and July (1.3").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in April
Princeton, MA
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in April
Princeton, MA
- Average snowfall in April: 1.42"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Princeton, MA
- Average snowfall days in April: 2.9 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Princeton, 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 6min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Princeton, MA
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in April
Princeton, MA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Princeton, MA
- Average cloud cover in April: 50
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Princeton, MA
- Average visibility in April: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Princeton, Massachusetts, USA
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