April weather forecastCambridge, MA
April
Weather in April
April is a month of true transformation in Cambridge, Massachusetts, with the definitive arrival of spring. Traces of winter have finally faded and the city basks in the pleasant and mild temperatures. The beautiful blossoming of flora is hard to overlook, adding vibrancy to the city. Mostly dry and clear days present weather running from 40.1°F (4.5°C) to 55.6°F (13.1°C). This change in climate allows one to enjoy outdoor activities and festivities that come with the warming months.Temperature
April's arrival signals an increase in average high-temperatures, moving from March's chilly 43.3°F (6.3°C) to a moderate 55.6°F (13.1°C). Cambridge experiences a mean temperature of 40.1°F (4.5°C) during April nights.Humidity
The least humid month is April, with an average relative humidity of 69%.Rainfall
In Cambridge, during April, the rain falls for 9.1 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In April, it is snowing for 0.6 days. Throughout April, 0.04" (1mm) of snow is accumulated. Throughout the year, there are 16.8 snowfall days, and 2.4" (61mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Cambridge, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cambridge, MA
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Cambridge, MA
- Average pressure in April: 29.97"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
Cambridge, MA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Cambridge, MA
- Average humidity in April: 69%
The months with the highest relative humidity are January and February (77%).
The month with the lowest relative humidity is April (69%).
Average rainfall in April
Cambridge, MA
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in April
Cambridge, MA
- Average rainfall days in April: 9.1 days
The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Cambridge, MA
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Cambridge, MA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (4.8 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
Cambridge, MA
- Average daylight in April: 13h and 24min
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: 8h and 12min
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 42min).
Average sunshine days in April
Cambridge, MA
- Average sunshine days in April: 19.1 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).
Average UV index in April
Cambridge, MA
- 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, November and December (UV index 2).
Average cloud cover in April
Cambridge, MA
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Cambridge, 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).
