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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, the same as December, in Grenville, South Dakota, is a freezing cold winter month, with temperature in the range of an average low of 5°F (-15°C) and an average high of 18.9°F (-7.3°C). January stands out as Grenville's coldest month, with temperatures ranging between an average high of 18.9°F (-7.3°C) and 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 Grenville, South Dakota, with an average temperature ranging between max 21.4°F (-5.9°C) and min 7.2°F (-13.8°C). The shift from January to February is characterized by an average high-temperature of a still subzero cold 21.4°F (-5.9°C), not significantly different from the 18.9°F (-7.3°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Grenville, South Dakota, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 37.6°F (3.1°C). With the beginning of March, Grenville's average high-temperature experiences a significant increase, moving from a subzero cold 21.4°F (-5.9°C) in February to a wintry 37.6°F (3.1°C). Weather in March »
Weather in April
April in Grenville, South Dakota, is a cool spring month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 51.1°F (10.6°C). As Grenville transitions into April, the average high-temperature is observed to rise from an icy 37.6°F (3.1°C) in March to a fresh 51.1°F (10.6°C). Weather in April »
Weather in May
May, the last month of the spring in Grenville, is a refreshing month, with an average temperature ranging between max 64°F (17.8°C) and min 46.6°F (8.1°C). The rise of average high-temperatures is seen in May, with an increase 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 Grenville, is a moderately hot month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.3°F (13.5°C). Grenville's weather in June presents a rise in the average high-temperature, moving from an enjoyable 64°F (17.8°C) in May to a moderately hot 74.3°F (23.5°C). Weather in June »
Weather in July
July, like June, in Grenville, South Dakota, is a moderately hot summer month, with an average temperature varying between 81°F (27.2°C) and 61.3°F (16.3°C). Grenville registers the highest average temperatures during the month of July, with peaks of 81°F (27.2°C) and lows of 61.3°F (16.3°C). July's heat index is appraised at 84.2°F (29°C). Weather in July »
Weather in August
August, the last month of the summer in Grenville, is another warm month, with an average temperature varying between 58.8°F (14.9°C) and 80.1°F (26.7°C). Grenville, South Dakota, in August witnesses an average high-temperature of a still moderately hot 80.1°F (26.7°C), indicating a slight variation from July's 81°F (27.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Grenville, is still a pleasant month, with an average temperature fluctuating between 71.6°F (22°C) and 51.3°F (10.7°C). A mild shift in the average high-temperature occurs in September, reducing 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, the same as September, is a cool autumn month in Grenville, South Dakota, with an average temperature fluctuating between 38.7°F (3.7°C) and 53.8°F (12.1°C). October is characterized by a noticeable reduction in the average high-temperature, falling from a pleasant 71.6°F (22°C) in September to a cool 53.8°F (12.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Grenville, is also a wintry month, with an average temperature varying between 38.8°F (3.8°C) and 25.7°F (-3.5°C). The arrival of November brings a significant change in Grenville's weather, with average high-temperatures dropping from October's fresh 53.8°F (12.1°C) to a wintry 38.8°F (3.8°C). Weather in November »
Weather in December
December, the first month of the winter in Grenville, is still a freezing cold month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 11.5°F (-11.4°C). The onset of December brings a clear temperature shift, with the average high-temperature decreasing from an icy 38.8°F (3.8°C) in November to a subzero cold 23.2°F (-4.9°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Grenville?
January is the coldest month of the year in Grenville, registering average temperatures as high as 18.9°F (-7.3°C) and as low as 5°F (-15°C).
What is the most humid month in Grenville?
The most humid month in Grenville is January, with an average relative humidity of 91%.
How much does it rain in Grenville?
In Grenville, South Dakota, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.
When does it snow in Grenville?
January through May, October through December are months with snowfall.
How much does it snow in Grenville?
In Grenville, South Dakota, during the entire year, snow falls for 68.4 days and aggregates up to 23.74" (603mm) of snow.
What is the month with the least sunshine in Grenville?
January has the least sunshine of the year in Grenville, with an average of 3.2h of sunshine.
What is the month with the lowest UV index in Grenville?
The months with the lowest UV index in Grenville are January, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Grenville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grenville, South Dakota, 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.
When it does not snow in Grenville?
June through September are months without snowfall.
When are the longest days in Grenville?
With an average of 15h and 36min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Grenville?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What are the warmest months in Grenville?
In Grenville, July is identified by the average highest temperatures, reaching a peak of 81°F (27.2°C) and a low of 61.3°F (16.3°C).
What is the wettest month in Grenville?
July is the month with the most rainfall in Grenville. Rain falls for 14.4 days and accumulates 3.58" (91mm) of precipitation.
What month has the most sunshine in Grenville?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the least humid month in Grenville?
September is the least humid month in Grenville, South Dakota, with an average relative humidity of 66%.
What is the driest month in Grenville?
November is the month with the least rainfall in Grenville. Rain falls for 4.6 days and accumulates 0.63" (16mm) of precipitation.
When does it snow the most in Grenville?
The month with the most snowfall is December, when snow falls for 14.6 days and typically aggregates up to 4.53" (115mm) of snow.
What is the month with the shortest days in Grenville?
December has the shortest days of the year in Grenville, South Dakota, with an average of 8h and 48min of daylight.
Average temperature
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, SD
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - 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 1min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 4min
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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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).
Grenville, South Dakota, USA
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