Climate and monthly weather forecastWebster, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Webster, South Dakota, is a freezing cold winter month, with an average temperature ranging between max 18.9°F (-7.3°C) and min 5°F (-15°C). In Webster, January records the lowest average temperatures, peaking at 18.9°F (-7.3°C) and reaching a low of 5°F (-15°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Webster, South Dakota, with temperature in the range of an average high of 21.4°F (-5.9°C) and an average low of 7.2°F (-13.8°C). With the arrival of February, Webster's average high-temperature registers at a still freezing cold 21.4°F (-5.9°C), indicating a subtle variation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Webster, is an icy month, with an average temperature varying between 23.2°F (-4.9°C) and 37.6°F (3.1°C). Webster's weather in March is marked by a clear rise in the average high-temperature, moving up from February's subzero cold 21.4°F (-5.9°C) to a wintry 37.6°F (3.1°C). Weather in March »Weather in April
April in Webster, South Dakota, is a fresh spring month, with an average temperature fluctuating between 51.1°F (10.6°C) and 35.1°F (1.7°C). The arrival of April signals an increase in the average high-temperature, moving from an icy 37.6°F (3.1°C) in March to a cool 51.1°F (10.6°C). Weather in April »Weather in May
May, the last month of the spring in Webster, is a comfortable month, with an average temperature ranging between min 46.6°F (8.1°C) and max 64°F (17.8°C). In May, the average high-temperature increases from a fresh 51.1°F (10.6°C) in April to a refreshing 64°F (17.8°C). Weather in May »Weather in June
June, the first month of the summer in Webster, is a warm month, with an average temperature ranging between min 56.3°F (13.5°C) and max 74.3°F (23.5°C). As May transitions into June, Webster sees a rise in the average high-temperature, moving from a refreshing 64°F (17.8°C) to a warm 74.3°F (23.5°C). Weather in June »Weather in July
July, like June, in Webster, South Dakota, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 61.3°F (16.3°C). July, on average, is the warmest month, registering a high temperature of 81°F (27.2°C) and a low of 61.3°F (16.3°C). The heat index in July is estimated at 84.2°F (29°C). Weather in July »Weather in August
August, the last month of the summer in Webster, is another warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.8°F (14.9°C). The dawn of August sees an average high-temperature of a still moderately hot 80.1°F (26.7°C), subtly contrasting with July's 81°F (27.2°C). Weather in August »Weather in September
September, the first month of the autumn in Webster, is also an agreeable month, with an average temperature ranging between min 51.3°F (10.7°C) and max 71.6°F (22°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 80.1°F (26.7°C) in August to an agreeable 71.6°F (22°C). Weather in September »Weather in October
October, like September, in Webster, South Dakota, is another fresh autumn month, with an average temperature fluctuating between 38.7°F (3.7°C) and 53.8°F (12.1°C). As October arrives, Webster's weather displays a notable decrease in high-temperatures, falling from September's agreeable 71.6°F (22°C) to a cool 53.8°F (12.1°C). Weather in October »Weather in November
November, the last month of the autumn in Webster, is another cold month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 38.8°F (3.8°C). The shift from October to November sees a distinct decrease in the average high-temperature, dropping from a cool 53.8°F (12.1°C) to an icy 38.8°F (3.8°C). Weather in November »Weather in December
December, the first month of the winter in Webster, is also a subzero cold month, with an average temperature ranging between max 23.2°F (-4.9°C) and min 11.5°F (-11.4°C). December signals a significant shift in the average high-temperature, falling from November's cold 38.8°F (3.8°C) to a subzero cold 23.2°F (-4.9°C). Weather in December »Updated: Feb 14, 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
The coldest period in Webster tends to be January, when average temperatures fluctuate between a high of 18.9°F (-7.3°C) and a low of 5°F (-15°C).
January is the most humid month, with an average relative humidity of 91%.
Throughout the year, in Webster, there are 112.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.
Months with snowfall in Webster are January through May, October through December.
Throughout the year, in Webster, South Dakota, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.
The month with the least sunshine in Webster, South Dakota, is January, with an average of 3.2h of sunshine.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Webster, South Dakota.
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.
In Webster, South Dakota, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 36min of daylight.
The months with the highest UV index in Webster are June and July, with an average maximum UV index of 6.
Webster's warmest weather arrives in July, when temperatures average a high of 81°F (27.2°C) and a low of 61.3°F (16.3°C).
The month with the most rainfall is July, when the rain falls for 14.4 days and typically aggregates up to 3.58" (91mm) of precipitation.
July has the most sunshine of the year in Webster, South Dakota, with an average of 10.7h of sunshine.
With an average relative humidity of 66%, September is the least humid month in Webster, South Dakota.
November is the month with the least rainfall. Rain falls for 4.6 days and accumulates 0.63" (16mm) of precipitation.
The month with the most snowfall in Webster, South Dakota, is December, when snow falls for 14.6 days and typically aggregates up to 4.53" (115mm) of snow.
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Webster, SD
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure
Webster, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"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 month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Webster, SD
- Average wind speed in January:
11mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11mph - Average wind speed in April:
11.7mph - Average wind speed in May:
10.5mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
8.7mph - Average wind speed in August:
8.8mph - Average wind speed in September:
10.3mph - Average wind speed in October:
11.3mph - Average wind speed in November:
11mph - Average wind speed in December:
11mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity
Webster, SD
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall
Webster, SD
- Average rainfall in January:
0.71" - Average rainfall in February:
0.71" - Average rainfall in March:
1.26" - Average rainfall in April:
1.93" - Average rainfall in May:
2.72" - Average rainfall in June:
3.46"
- Average rainfall in July:
3.58" - Average rainfall in August:
2.01" - Average rainfall in September:
1.57" - Average rainfall in October:
2.52" - Average rainfall in November:
0.63" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days
Webster, SD
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Webster, SD
- Average snowfall in January:
4.45" - Average snowfall in February:
4.29" - Average snowfall in March:
3.19" - Average snowfall in April:
2.64" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Webster, SD
- Average snowfall days in January:
15.1 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
10.4 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
0.8 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:
2.6 days - Average snowfall days in November:
6.6 days - Average snowfall days in December:
14.6 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Webster, SD
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- 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:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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 January:
3h and 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Webster, SD
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
Webster, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Webster, SD
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
Webster, SD
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
