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 Mary's's weather shows an increase in high-temperatures, moving from March's freezing cold 18°F (-7.8°C) to a still subzero cold 31.6°F (-0.2°C). Saint Mary's records a steady low-temperature average of 20.5°F (-6.4°C) during April.Humidity
In Saint Mary's, Alaska, the average relative humidity in April is 90%.Rainfall
In Saint Mary's, during April, the rain falls for 5.8 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Saint Mary's, during the entire year, the rain falls for 104.5 days and collects up to 15.75" (400mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 9.5 days. Throughout April, 2.44" (62mm) of snow is accumulated. Throughout the year, there are 71.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
In Saint Mary's, the average length of the day in April is 14h and 54min.On the first day of the month, sunrise is at 8:10 am and sunset at 9:41 pm. On the last day of April, sunrise is at 6:38 am and sunset at 11:01 pm AKDT.
Sunshine
In April, the average sunshine is 5.5h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in April translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it 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?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Saint Mary's have in April?
What is the UV index intensity in April?
Average temperature in April
Saint Mary's, AK
- Average high temperature in April: 31.6°F
The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).
- Average low temperature in April: 20.5°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).
Average pressure in April
Saint Mary's, AK
- Average pressure in April: 29.8"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).
Average wind speed in April
Saint Mary's, AK
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in April
Saint Mary's, AK
- Average humidity in April: 90%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in April
Saint Mary's, AK
- Average rainfall in April: 0.94"
The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").
Average rainfall days in April
Saint Mary's, AK
- Average rainfall days in April: 5.8 days
The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in April
Saint Mary's, AK
- Average snowfall in April: 2.44"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Saint Mary's, AK
- Average snowfall days in April: 9.5 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Saint Mary's, AK
- Average daylight in April: 14h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in April: 5h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in April
Saint Mary's, AK
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in April
Saint Mary's, AK
- Average UV index in April: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in April
Saint Mary's, AK
- Average cloud cover in April: 65
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in April
Saint Mary's, AK
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Saint Mary's, Alaska, USA
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