May weather forecastAlpena, MI
May
Weather in May
A quintessential spring ambiance reigns across Alpena in May. The daylight hours prolong, letting abundant sunlight warm the region, which simplifies outdoor explorations and recreational activities. Temperature disparity from April becomes visible, further contributing to the melting process of any remaining snow. The telltale rise in temperature, rainfall, and declining snowfall is emblematic of the transformation towards summer. The equilibrium between sunlit and overcast days maintains an invigorating ambiance in the city.Temperature
May's arrival in Alpena brings a temperature shift, moving from a chilly 45.1°F (7.3°C) in April to a mild 57.4°F (14.1°C). Throughout the month of May, Alpena witnesses an average temperature of 43.7°F (6.5°C).Humidity
With an average relative humidity of 73%, May is the least humid month in Alpena.Rainfall
The month with the most rainfall in Alpena is May, when the rain falls for 11.6 days and typically aggregates up to 1.61" (41mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alpena, Michigan. May is the last month it regularly snows in Alpena. During 0.5 snowfall days, in May, Alpena aggregates 0.04" (1mm) of snow. In Alpena, Michigan, during the entire year, snow falls for 82.7 days and aggregates up to 14.61" (371mm) of snow.Ocean temperature
In Alpena, in May, the average water temperature is 39.2°F (4°C).Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.
Daylight
The average length of the day in May is 14h and 53min.On the first day of May, sunrise is at 6:21 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:13 pm EDT.
Sunshine
In May, the average sunshine in Alpena, Michigan, is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alpena, MI
- Average high temperature in May: 57.4°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 May: 43.7°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 May
Alpena, MI
- Average pressure in May: 29.98"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 May
Alpena, MI
- Average wind speed in May: 8.6mph
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 May
Alpena, MI
- Average humidity in May: 73%
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 May
Alpena, MI
- Average rainfall in May: 1.61"
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 May
Alpena, MI
- Average rainfall days in May: 11.6 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 May
Alpena, MI
- Average snowfall in May: 0.04"
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 May
Alpena, MI
- Average snowfall days in May: 0.5 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 May
Alpena, MI
- Average sea temperature in May: 39°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 May /
Average sunshine in May
Alpena, MI
- Average daylight in May: 14h and 54min
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 May: 8h and 48min
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 May
Alpena, MI
- Average sunshine days in May: 17.8 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 May
Alpena, MI
- Average UV index in May: 4
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 May
Alpena, MI
- Average cloud cover in May: 40
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 May
Alpena, MI
- Average visibility in May: 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).
