Climate and monthly weather forecastAstoria, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Astoria, South Dakota, is a freezing cold winter month, with an average temperature varying between 7.2°F (-13.8°C) and 20.5°F (-6.4°C). During the coldest month, January, temperatures average a high of 20.5°F (-6.4°C) and a low of 7.2°F (-13.8°C). Weather in January »Weather in February
February, the last month of the winter in Astoria, is another freezing cold month, with an average temperature varying between 23.9°F (-4.5°C) and 9.9°F (-12.3°C). The transition into February notes an average high-temperature of a still freezing cold 23.9°F (-4.5°C), revealing a mild distinction from the 20.5°F (-6.4°C) in January. Weather in February »Weather in March
March, the first month of the spring in Astoria, is a cold month, with an average temperature varying between 24.8°F (-4°C) and 39°F (3.9°C). Astoria's weather in March is marked by a clear rise in the average high-temperature, moving up from February's subzero cold 23.9°F (-4.5°C) to a wintry 39°F (3.9°C). Weather in March »Weather in April
April in Astoria, South Dakota, is a cool spring month, with an average temperature fluctuating between 53.2°F (11.8°C) and 37°F (2.8°C). In Astoria, the onset of April comes with an increased average high-temperature, moving from March's icy 39°F (3.9°C) to a cool 53.2°F (11.8°C). Weather in April »Weather in May
May, the last month of the spring in Astoria, is a refreshing month, with an average temperature varying between 66.4°F (19.1°C) and 48.6°F (9.2°C). Astoria's May weather shows an increase in high-temperatures, moving from April's fresh 53.2°F (11.8°C) to a refreshing 66.4°F (19.1°C). Weather in May »Weather in June
June, the first month of the summer in Astoria, is a moderately hot month, with an average temperature fluctuating between 58.6°F (14.8°C) and 75.7°F (24.3°C). With the onset of June, Astoria's average high-temperature sees a rise, moving from May's refreshing 66.4°F (19.1°C) to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Astoria, South Dakota, with an average temperature varying between 62.1°F (16.7°C) and 81.1°F (27.3°C). Astoria witnesses the warmest weather in July, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 62.1°F (16.7°C). Throughout July, the heat index is appraised at a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Astoria, South Dakota, with an average temperature varying between 80.1°F (26.7°C) and 59.5°F (15.3°C). August observes an average high-temperature of a still moderately hot 80.1°F (26.7°C), marking an insignificant difference from July's 81.1°F (27.3°C). Weather in August »Weather in September
September, the first month of the autumn in Astoria, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 52.7°F (11.5°C). A mild drop in Astoria's average high-temperature is observed in September, transitioning from a moderately hot 80.1°F (26.7°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »Weather in October
October, the same as September, in Astoria, South Dakota, is another refreshing autumn month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 41°F (5°C). The average high-temperature exhibits a considerable decrease in October, dropping from an agreeable 72.5°F (22.5°C) in September to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
November, the last month of the autumn in Astoria, is also a wintry month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 41.4°F (5.2°C). Astoria's transition into November is marked by a distinct drop in the average high-temperature, reducing from a mild 56.3°F (13.5°C) in October to an icy 41.4°F (5.2°C). Weather in November »Weather in December
December, the first month of the winter in Astoria, is also a subzero cold month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 14°F (-10°C). December's arrival sees a clear drop in the average high-temperature, decreasing from November's wintry 41.4°F (5.2°C) to a subzero cold 25.3°F (-3.7°C). Weather in December »Updated: Jul 5, 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
Astoria experiences its average lowest temperatures in January, reaching a peak of 20.5°F (-6.4°C) and a minimum of 7.2°F (-13.8°C).
With an average relative humidity of 89%, January is the most humid month.
January is the month with the least rainfall in Astoria. Rain falls for 1.7 days and accumulates 0.43" (11mm) of precipitation.
Throughout the year, there are 101.9 rainfall days, and 14.61" (371mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 49.9 snowfall days, and 14.02" (356mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4h 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 10.1 days and accumulates 3.27" (83mm) 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.
June through September are months without snowfall.
The month with the longest days in Astoria is June, with an average of 15h and 30min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July, known for its average high temperature of 81.1°F (27.3°C) and an average low temperature of 62.1°F (16.7°C), is the warmest month.
July is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.56" (65mm) of precipitation.
With an average of 10.6h of sunshine, July has the most sunshine of the year in Astoria.
October is the least humid month, with an average relative humidity of 67%.
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
Astoria, SD
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure
Astoria, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Astoria, SD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.5mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity
Astoria, SD
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Astoria, SD
- Average rainfall in January:
0.43" - Average rainfall in February:
0.47" - Average rainfall in March:
0.75" - Average rainfall in April:
1.34" - Average rainfall in May:
1.89" - Average rainfall in June:
2.01"
- Average rainfall in July:
2.56" - Average rainfall in August:
1.5" - Average rainfall in September:
1.26" - Average rainfall in October:
1.26" - Average rainfall in November:
0.47" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days
Astoria, SD
- Average rainfall days in January:
1.7 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
6.9 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.7 days).
Average snowfall
Astoria, SD
- Average snowfall in January:
2.72" - Average snowfall in February:
3.27" - Average snowfall in March:
2.28" - Average snowfall in April:
1.34" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Astoria, SD
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.3 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 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
10.9 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Astoria, 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 12min - 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 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Astoria, SD
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
15.2 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index
Astoria, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover
Astoria, SD
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Astoria, 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).
