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
Westford sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 42.4°F (5.8°C) in March to a moderate 55.9°F (13.3°C). Throughout the month of April, Westford witnesses an average low-temperature of 38.8°F (3.8°C).Humidity
April is the least humid month, with an average relative humidity of 70%.Rainfall
In Westford, in April, it is raining for 13.3 days, with typically 2.48" (63mm) of accumulated precipitation. In Westford, during the entire year, the rain falls for 140.4 days and collects up to 27.13" (689mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Westford, during April, snow falls for 1.5 days and regularly aggregates up to 1.89" (48mm) of snow. In Westford, during the entire year, snow falls for 35.1 days and aggregates up to 24.88" (632mm) of snow.Daylight
The average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 6:26 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:45 pm EDT.
Sunshine
The average sunshine in April is 8.1h.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 exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties 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 in Westford?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Westford have in April?
When 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
Westford, MA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Westford, 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
Westford, MA
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Westford, MA
- Average humidity in April: 70%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in April
Westford, MA
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is December (2.72").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in April
Westford, MA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Westford, MA
- Average snowfall in April: 1.89"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Westford, MA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Westford, MA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Westford, MA
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in April
Westford, 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
Westford, MA
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Westford, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, July, August, October, November and December (6mi).
The months with the lowest visibility are February, June and September (5mi).
Westford, Massachusetts, USA
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