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
As April arrives, Saint Johnsbury's weather shows an increase in high-temperatures, moving from March's cold 34°F (1.1°C) to a chilly 47.5°F (8.6°C). The average temperature during April nights dips to a subzero cold 30.6°F (-0.8°C).Humidity
In April, the average relative humidity is 79%.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 157.2 rainfall days, and 28.35" (720mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Saint Johnsbury. In April, it is snowing for 8 days. Throughout April, 4.49" (114mm) of snow is accumulated. Throughout the year, there are 98.4 snowfall days, and 51.97" (1320mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 30min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:15 pm. On the last day of April, sunrise is at 5:38 am and sunset at 7:51 pm EDT.
Sunshine
The average sunshine in April is 6.5h.UV index
The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during April translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Johnsbury in April?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Saint Johnsbury?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Saint Johnsbury have in April?
What is the UV index reading in April?
Average temperature in April
Saint Johnsbury, VT
- Average high temperature in April: 47.5°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in April
Saint Johnsbury, VT
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Saint Johnsbury, VT
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Saint Johnsbury, VT
- Average humidity in April: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in April
Saint Johnsbury, VT
- Average rainfall in April: 2.72"
The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in April
Saint Johnsbury, VT
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in April
Saint Johnsbury, VT
- Average snowfall in April: 4.49"
The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Johnsbury, VT
- Average snowfall days in April: 8 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Johnsbury, VT
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 6h and 3min
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: 2h and 48min).
Average sunshine days in April
Saint Johnsbury, VT
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in April
Saint Johnsbury, VT
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Saint Johnsbury, VT
- Average cloud cover in April: 58
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in April
Saint Johnsbury, VT
- Average visibility in April: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Saint Johnsbury, Vermont, USA
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