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 indicates a change in the average high-temperature, moving up from a frosty 43.5°F (6.4°C) in March to a refreshing 56.1°F (13.4°C). In Holliston, April's nights observe an average temperature dip to an icy 39.2°F (4°C).Humidity
The least humid month in Holliston is April, with an average relative humidity of 70%.Rainfall
The month with the most rainfall in Holliston is April, when the rain falls for 14.6 days and typically aggregates up to 2.87" (73mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Holliston. In April, it is snowing for 1.3 days. Throughout April, 1.18" (30mm) of snow is accumulated. Throughout the year, in Holliston, Massachusetts, there are 28.8 snowfall days, and 17.32" (440mm) of snow is accumulated.Daylight
In Holliston, the average length of the day in April is 13h and 23min.On the first day of April in Holliston, sunrise is at 6:26 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April in Holliston is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are April temperatures in Holliston?
What is the least humid month in Holliston?
What is the average humidity in April in Holliston?
What is the rainiest month in Holliston?
How many days does it rain in April in Holliston?
How many days does it snow in April in Holliston?
How many hours of daylight does Holliston have in April?
When are sunrise and sunset in April in Holliston?
How long on average sun shines in April in Holliston?
How high is the UV index in April in Holliston?
Average temperature in April
Holliston, MA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in April: 39.2°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 (21°F).
Average pressure in April
Holliston, 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 (29.93"Hg).
Average wind speed in April
Holliston, 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 (5.7mph).
Average humidity in April
Holliston, MA
- Average humidity in April: 70%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in April
Holliston, MA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in April
Holliston, MA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
Holliston, MA
- Average snowfall in April: 1.18"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Holliston, MA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Holliston, 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 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
Holliston, MA
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).
Average UV index in April
Holliston, 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
Holliston, MA
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Holliston, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are February, August and September (5mi).
Holliston, Massachusetts, USA
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