Climate and monthly weather forecastAlpena, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Alpena, South Dakota, is another subzero cold winter month, with temperature in the range of an average high of 23.2°F (-4.9°C) and an average low of 8.2°F (-13.2°C). The month of January, characterized by an average high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C), is recognized as the coldest. Weather in January »Weather in February
February, the last month of the winter in Alpena, is another freezing cold month, with an average temperature ranging between max 26.1°F (-3.3°C) and min 12°F (-11.1°C). February observes an average high-temperature of a still freezing cold 26.1°F (-3.3°C), marking an insignificant difference from January's 23.2°F (-4.9°C). Weather in February »Weather in March
March, the first month of the spring in Alpena, is an icy month, with an average temperature ranging between max 42.3°F (5.7°C) and min 26.6°F (-3°C). Alpena experiences a noticeable temperature shift with the start of March, with average high-temperatures moving from a freezing cold 26.1°F (-3.3°C) in February to a wintry 42.3°F (5.7°C). Weather in March »Weather in April
April is a mild spring month in Alpena, South Dakota, with an average temperature ranging between min 37.9°F (3.3°C) and max 55.9°F (13.3°C). Alpena's weather shows a temperature rise with the arrival of April, moving from an icy 42.3°F (5.7°C) in March to a mild 55.9°F (13.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Alpena, South Dakota, with an average temperature fluctuating between 67.6°F (19.8°C) and 48.9°F (9.4°C). May marks a rise in the average high-temperature, moving from April's moderate 55.9°F (13.3°C) to a still refreshing 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Alpena, South Dakota, with an average temperature ranging between min 59.2°F (15.1°C) and max 78.4°F (25.8°C). The shift from May to June sees an increase in the average high-temperature, transitioning from a comfortable 67.6°F (19.8°C) to a warm 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Alpena, South Dakota, is another warm summer month, with an average temperature ranging between min 64.2°F (17.9°C) and max 85.6°F (29.8°C). In Alpena, temperatures reach their average annual highs in July, measuring 85.6°F (29.8°C) and a minimum average of 64.2°F (17.9°C). July's average heat index is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Alpena, South Dakota, with an average temperature fluctuating between 84.2°F (29°C) and 61.3°F (16.3°C). Alpena ushers in August with an average high-temperature of a still moderately hot 84.2°F (29°C), showing a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Alpena, is also a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 54.5°F (12.5°C). The onset of September brings a small shift in high-temperatures, falling from a warm 84.2°F (29°C) in August to a still moderately hot 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Alpena, South Dakota, with an average temperature fluctuating between 57.9°F (14.4°C) and 41.5°F (5.3°C). With the onset of October, Alpena experiences a noticeable temperature shift, with the average high-temperature receding from a warm 75.7°F (24.3°C) in September to a moderate 57.9°F (14.4°C). Weather in October »Weather in November
November, the last month of the autumn in Alpena, is also a frosty month, with an average temperature varying between 28.8°F (-1.8°C) and 43.7°F (6.5°C). A moderate decline in the average high-temperature is seen during November, decreasing from a refreshing 57.9°F (14.4°C) in October to a chilly 43.7°F (6.5°C). Weather in November »Weather in December
December, the first month of the winter in Alpena, is also a subzero cold month, with an average temperature fluctuating between 14.7°F (-9.6°C) and 27.3°F (-2.6°C). As November transitions into December, a clear downswing in temperatures is observed, with average highs retreating from a chilly 43.7°F (6.5°C) to a subzero cold 27.3°F (-2.6°C). Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Alpena, the average lowest temperatures are observed in January, with a high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C).
With an average relative humidity of 88%, January is the most humid month.
January is the month with the least rainfall in Alpena. Rain falls for 2.7 days and accumulates 0.55" (14mm) of precipitation.
Throughout the year, there are 101.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
Throughout the year, there are 42.3 snowfall days, and 16.54" (420mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4.2h of sunshine.
The months with the lowest UV index are January and November, with an average maximum UV index of 1.
February is the month with the most snowfall. Snow falls for 8.6 days and accumulates 3.54" (90mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
May through September are months without snowfall.
The month with the most rainfall is June, when the rain falls for 15.2 days and typically aggregates up to 2.8" (71mm) of precipitation.
The month with the longest days is June, with an average of 15h and 30min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Alpena reaches its average highest temperatures in July, measuring 85.6°F (29.8°C) at the peak and 64.2°F (17.9°C) at the lowest.
July has the most sunshine of the year, with an average of 11.2h of sunshine.
The least humid month is September, with an average relative humidity of 62%.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Alpena, SD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure
Alpena, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Alpena, SD
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.4mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.6mph - Average wind speed in September:
9.7mph - Average wind speed in October:
10.6mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity
Alpena, SD
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall
Alpena, SD
- Average rainfall in January:
0.55" - Average rainfall in February:
0.59" - Average rainfall in March:
1.06" - Average rainfall in April:
1.77" - Average rainfall in May:
2.36" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.76" - Average rainfall in August:
1.97" - Average rainfall in September:
1.38" - Average rainfall in October:
1.57" - Average rainfall in November:
0.59" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Alpena, SD
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall
Alpena, SD
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Alpena, SD
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.4 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alpena, SD
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
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 January:
4h and 12min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Alpena, SD
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Alpena, SD
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover
Alpena, SD
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility
Alpena, SD
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).
