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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Gregory, South Dakota, is another subzero cold winter month, with an average temperature varying between 15.6°F (-9.1°C) and 28.8°F (-1.8°C). In Gregory, January is the coldest month, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Gregory, South Dakota, with temperature in the range of an average low of 18.1°F (-7.7°C) and an average high of 32.5°F (0.3°C). The average high-temperature for February is a cold 32.5°F (0.3°C), closely aligning with the temperature of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Gregory, is a chilly month, with an average temperature fluctuating between 46.6°F (8.1°C) and 30.6°F (-0.8°C). Gregory sees a rise in temperature during March, with average high-temperatures transitioning from a wintry 32.5°F (0.3°C) in February to a frosty 46.6°F (8.1°C). Weather in March »
Weather in April
April is a mild spring month in Gregory, South Dakota, with an average temperature varying between 39.2°F (4°C) and 56.7°F (13.7°C). Gregory's April weather shows an increase in high-temperatures, moving from March's frosty 46.6°F (8.1°C) to a moderate 56.7°F (13.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Gregory, South Dakota, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 67.8°F (19.9°C). Gregory's May weather shows an increase in high-temperatures, moving from April's mild 56.7°F (13.7°C) to a comfortable 67.8°F (19.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Gregory, South Dakota, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 80.2°F (26.8°C). June brings a temperature increase, with average high-temperatures moving from May's refreshing 67.8°F (19.9°C) to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July in Gregory, South Dakota, is a hot summer month, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 66.7°F (19.3°C). With an average high-temperature of 88°F (31.1°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. July's mean heat index is evaluated at a torrid 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Gregory, South Dakota, with an average temperature fluctuating between 85.8°F (29.9°C) and 63.9°F (17.7°C). In August, Gregory experiences a minor shift in meteorological conditions with average high-temperatures marked at a warm 85.8°F (29.9°C), closely mirroring the climate in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Gregory, South Dakota, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 76.6°F (24.8°C). In the transition to September, Gregory observes a drop in the average high-temperature, moving from 85.8°F (29.9°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, the same as September, in Gregory, South Dakota, is another refreshing autumn month, with an average temperature ranging between min 42.8°F (6°C) and max 59.2°F (15.1°C). As Gregory, South Dakota, welcomes October, the average high-temperature witnesses a distinct drop, moving from a moderately hot 76.6°F (24.8°C) in September to a moderate 59.2°F (15.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Gregory, South Dakota, with an average temperature varying between 31.1°F (-0.5°C) and 46.6°F (8.1°C). November indicates a shift in the average high-temperature, from October's moderate 59.2°F (15.1°C) to a chilly 46.6°F (8.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Gregory, South Dakota, with an average temperature varying between 18.3°F (-7.6°C) and 31.1°F (-0.5°C). In Gregory, the average high-temperature in December significantly decreases from a frosty 46.6°F (8.1°C) in November to a subzero cold 31.1°F (-0.5°C). Weather in December »
Updated: Jul 28, 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
What are the coldest months?
Gregory's coldest month, January, generally records average temperatures ranging from a high of 28.8°F (-1.8°C) to a low of 15.6°F (-9.1°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 82%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.47" (12mm) of precipitation.
How much does it rain?
Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow in Gregory?
In Gregory, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.
What is the month with the least sunshine?
With an average of 4.9h of sunshine, January has the least sunshine of the year.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Gregory, 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 rainiest month?
June is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.8" (71mm) of precipitation.
When it does not snow in Gregory?
In Gregory, snow does not fall in June through September.
When are the longest days in Gregory?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
Gregory witnesses the warmest weather in July, with temperatures averaging a high of 88°F (31.1°C) and a low of 66.7°F (19.3°C).
What month has the most sunshine?
With an average of 11.4h of sunshine, July has the most sunshine of the year.
What is the least humid month?
The months with the lowest humidity are August and September, with an average relative humidity of 57%.
When does it snow the most?
December is the month with the most snowfall. Snow falls for 8 days and accumulates 3.19" (81mm) of snow.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
When is the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Gregory, SD
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Gregory, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"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:
29.95"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 January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Gregory, SD
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.9mph - Average wind speed in May:
11mph - Average wind speed in June:
10.3mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.8mph - Average wind speed in September:
10.7mph - Average wind speed in October:
11.6mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity
Gregory, SD
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall
Gregory, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
1.22" - Average rainfall in April:
1.77" - Average rainfall in May:
2.6" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.46" - Average rainfall in September:
1.34" - Average rainfall in October:
1.3" - Average rainfall in November:
0.51" - 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 (0.47").
Average rainfall days
Gregory, SD
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall
Gregory, SD
- Average snowfall in January:
2.64" - Average snowfall in February:
2.52" - Average snowfall in March:
2.28" - Average snowfall in April:
1.73" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Gregory, SD
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.2 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:
1.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Gregory, SD
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Gregory, SD
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Gregory, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Gregory, SD
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility
Gregory, SD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).