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 sea temperature 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 in Alpena brings an increase in the average high-temperature, progressing from a cold 34.9°F (1.6°C) in March to a frosty 45.1°F (7.3°C). Alpena's average low-temperature in April is measured at a wintry 34°F (1.1°C).Humidity
In April, the average relative humidity in Alpena is 76%.Rainfall
In Alpena, in April, it is raining for 11 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Alpena, there are 119.4 rainfall days, and 13.9" (353mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Alpena. In Alpena, during April, snow falls for 5.2 days and regularly aggregates up to 1.77" (45mm) of snow. In Alpena, during the entire year, snow falls for 82.7 days and aggregates up to 14.61" (371mm) of snow.Ocean temperature
The months with the coldest seawater are February through April, with an average ocean temperature of 35.6°F (2°C).Note: During swimming activities, this situation is lethal and fraught with danger. The frigid water triggers acute discomfort and swift hyperventilation. A specialized swimsuit is necessary to reduce thermal harm.
Daylight
In Alpena, the average length of the day in April is 13h and 32min.On the first day of April in Alpena, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in April in Alpena is 6.7h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 in April translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alpena in April?
What is the average humidity in April in Alpena?
How much does it rain in Alpena in April?
How many days does it snow in April in Alpena?
When is the ocean coldest in Alpena?
How cold is the water in April in Alpena?
How many hours of daylight does Alpena have in April?
What time are sunrise and sunset in April in Alpena?
How many hours of sunshine does Alpena have in April?
What is the UV index reading in April in Alpena?
Average temperature in April
Alpena, MI
- Average high temperature in April: 45.1°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in April: 34°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are January and February (18°F).
Average pressure in April
Alpena, MI
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Alpena, MI
- Average wind speed in April: 10.6mph
The windiest months (with the highest average wind speed) are January and December (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in April
Alpena, MI
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in April
Alpena, MI
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in April
Alpena, MI
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is October (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in April
Alpena, MI
- Average snowfall in April: 1.77"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Alpena, MI
- Average snowfall days in April: 5.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Alpena, MI
- Average sea temperature in April: 36°F
The best month for swimming (with the highest average sea temperature) is August (64°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight in April /
Average sunshine in April
Alpena, MI
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in April
Alpena, MI
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in April
Alpena, MI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Alpena, MI
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Alpena, MI
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Alpena, Michigan, USA
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