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
An increase in the average high-temperature marks April, moving from March's chilly 43°F (6.1°C) to a refreshing 56.1°F (13.4°C). The temperature lowers to an average of 38.8°F (3.8°C) during April nights.Humidity
The least humid month is April, with an average relative humidity of 70%.Rainfall
In April, the rain falls for 14.3 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Littleton, during the entire year, the rain falls for 140 days and collects up to 27.09" (688mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.3 days. Throughout April, 1.81" (46mm) of snow is accumulated. In Littleton, during the entire year, snow falls for 34.1 days and aggregates up to 23.58" (599mm) of snow.Daylight
In Littleton, the average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:12 pm. On the last day of April, sunrise is at 5:41 am and sunset at 7:45 pm EDT.
Sunshine
In April, the average sunshine in Littleton is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Littleton?
Average temperature in April
Littleton, MA
- Average high temperature in April: 56.1°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 (32.5°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Littleton, 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
Littleton, MA
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Littleton, 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
Littleton, MA
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in April
Littleton, MA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6.5 days).
Average snowfall in April
Littleton, MA
- Average snowfall in April: 1.81"
The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Littleton, MA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Littleton, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Littleton, MA
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in April
Littleton, 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
Littleton, MA
- Average cloud cover in April: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Littleton, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Littleton, Massachusetts, USA
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