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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Seneca, South Dakota, with an average temperature fluctuating between 22.6°F (-5.2°C) and 9.1°F (-12.7°C). Seneca notes the coldest temperatures in January, with a high average of 22.6°F (-5.2°C) and a low of 9.1°F (-12.7°C). Weather in January »
Weather in February
February, the last month of the winter in Seneca, is also a subzero cold month, with temperature in the range of an average high of 25.2°F (-3.8°C) and an average low of 11.8°F (-11.2°C). The arrival of February brings an average high-temperature of a still freezing cold 25.2°F (-3.8°C), closely following the temperature pattern of January. Weather in February »
Weather in March
March, the first month of the spring in Seneca, is a cold month, with an average temperature ranging between max 39.9°F (4.4°C) and min 25.5°F (-3.6°C). With the onset of March, Seneca experiences a noticeable temperature shift, with the average high-temperature advancing from a subzero cold 25.2°F (-3.8°C) in February to an icy 39.9°F (4.4°C). Weather in March »
Weather in April
April in Seneca, South Dakota, is a cool spring month, with an average temperature fluctuating between 54°F (12.2°C) and 36.7°F (2.6°C). As April arrives, Seneca's weather shows an increase in high-temperatures, moving from March's cold 39.9°F (4.4°C) to a fresh 54°F (12.2°C). Weather in April »
Weather in May
May, the last month of the spring in Seneca, is an enjoyable month, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 47.8°F (8.8°C). An increase in the average high-temperature marks May, moving from April's cool 54°F (12.2°C) to a refreshing 66.2°F (19°C). Weather in May »
Weather in June
June, the first month of the summer in Seneca, is a warm month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 77.9°F (25.5°C). The beginning of June marks a shift in the average high-temperature, moving from May's comfortable 66.2°F (19°C) to a moderately hot 77.9°F (25.5°C). Weather in June »
Weather in July
July, like June, in Seneca, South Dakota, is another warm summer month, with an average temperature varying between 64.9°F (18.3°C) and 85.8°F (29.9°C). Seneca registers the highest average temperatures during the month of July, with peaks of 85.8°F (29.9°C) and lows of 64.9°F (18.3°C). July's mean heat index is estimated at a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Seneca, South Dakota, with an average temperature ranging between min 63°F (17.2°C) and max 83.8°F (28.8°C). Seneca marks the arrival of August with an average high-temperature of a still moderately hot 83.8°F (28.8°C), hardly different from July's 85.8°F (29.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Seneca, South Dakota, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 74.5°F (23.6°C). The arrival of September corresponds with a reduction in the average high-temperature, down from August's 83.8°F (28.8°C) to a still warm 74.5°F (23.6°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Seneca, South Dakota, with an average temperature fluctuating between 40.6°F (4.8°C) and 55.9°F (13.3°C). The beginning of October signals a clear reduction in the average high-temperature, falling from a warm 74.5°F (23.6°C) in September to a mild 55.9°F (13.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Seneca, South Dakota, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 41.9°F (5.5°C). The onset of November comes with a shift in the average high-temperature, falling from a moderate 55.9°F (13.3°C) in October to a cold 41.9°F (5.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Seneca, South Dakota, with temperature in the range of an average low of 14.2°F (-9.9°C) and an average high of 25.5°F (-3.6°C). The start of December brings a distinct shift in the average high-temperature, dropping from November's wintry 41.9°F (5.5°C) to a subzero cold 25.5°F (-3.6°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Seneca?
Seneca's coldest month, January, registers temperatures that range from a high of 22.6°F (-5.2°C) to a low of 9.1°F (-12.7°C).
What is the most humid month in Seneca?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month in Seneca?
The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.55" (14mm) of precipitation.
How many days does it rain in Seneca?
Throughout the year, in Seneca, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.
When does it snow in Seneca?
January through May, October through December are months with snowfall in Seneca.
How many days does it snow in Seneca?
In Seneca, South Dakota, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.
What is the month with the least sunshine in Seneca?
With an average of 3.9h of sunshine, January has the least sunshine of the year in Seneca, South Dakota.
What are the months with the lowest UV index in Seneca?
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most in Seneca?
The month with the most snowfall in Seneca is February, when snow falls for 12.3 days and typically aggregates up to 5.04" (128mm) of snow.
When is Daylight Saving Time (DST) in Seneca?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Seneca, 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.
What is the wettest month in Seneca?
The month with the most rainfall in Seneca, South Dakota, is June, when the rain falls for 14.4 days and typically aggregates up to 2.8" (71mm) of precipitation.
When it does not snow in Seneca?
June through September are months without snowfall.
When are the longest days in Seneca?
With an average of 15h and 36min of daylight, June has the longest days of the year in Seneca, South Dakota.
When is the highest UV index in Seneca?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Seneca.
What is the hottest time of year in Seneca?
The warmest time of the year in Seneca, South Dakota, is July, with temperatures averaging a high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C).
What month has the most sunshine in Seneca?
With an average of 11.2h of sunshine, July has the most sunshine of the year in Seneca.
What are the least humid months in Seneca?
August and September, with an average relative humidity of 56%, are the least humid months in Seneca.
What is the month with the shortest days in Seneca?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Seneca, SD
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure
Seneca, 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:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.14"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
Seneca, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.8mph - Average wind speed in May:
11mph - Average wind speed in June:
10.5mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.7mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity
Seneca, SD
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall
Seneca, SD
- Average rainfall in January:
0.55" - Average rainfall in February:
0.75" - Average rainfall in March:
1.06" - Average rainfall in April:
1.61" - Average rainfall in May:
2.32" - Average rainfall in June:
2.8"
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
Seneca, SD
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.3 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall
Seneca, SD
- Average snowfall in January:
3.19" - Average snowfall in February:
5.04" - Average snowfall in March:
3.43" - Average snowfall in April:
2.64" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Seneca, SD
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
10.1 days - Average snowfall days in April:
4.9 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:
2.3 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Seneca, SD
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
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 5min - Average sunshine in February:
5h and 0min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Seneca, SD
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index
Seneca, 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, February, November and December (UV index 1).
Average cloud cover
Seneca, SD
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility
Seneca, 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).
Seneca, South Dakota, USA
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