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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 Glenham, South Dakota, with an average temperature varying between 23°F (-5°C) and 9°F (-12.8°C). January, on average, is the coldest month, registering a high temperature of 23°F (-5°C) and a low of 9°F (-12.8°C). Weather in January »
Weather in February
February, the last month of the winter in Glenham, is another freezing cold month, with an average temperature ranging between max 25.2°F (-3.8°C) and min 11.7°F (-11.3°C). Glenham's average high-temperature in February is a still freezing cold 25.2°F (-3.8°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Glenham, is an icy month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 40.5°F (4.7°C). March is marked by a distinct increase in the average high-temperature, climbing from a subzero cold 25.2°F (-3.8°C) in February to a cold 40.5°F (4.7°C). Weather in March »
Weather in April
April is a cool spring month in Glenham, South Dakota, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 36.9°F (2.7°C). In April, the average high-temperature increases from a wintry 40.5°F (4.7°C) in March to a fresh 54.1°F (12.3°C). Weather in April »
Weather in May
May, the last month of the spring in Glenham, is a refreshing month, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 66.6°F (19.2°C). Glenham's weather in May shows a rise in the average high-temperature, moving up from April's fresh 54.1°F (12.3°C) to a comfortable 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Glenham, South Dakota, with an average temperature varying between 58.6°F (14.8°C) and 78.3°F (25.7°C). June's onset witnesses a shift in the average high-temperature, moving from a comfortable 66.6°F (19.2°C) in May to a warm 78.3°F (25.7°C). Weather in June »
Weather in July
July is a tropical summer month in Glenham, South Dakota, with an average temperature varying between 86.4°F (30.2°C) and 65.5°F (18.6°C). July, with its high-temperature average of 86.4°F (30.2°C) and a low-temperature average of 65.5°F (18.6°C), is the warmest month. During July, the heat index is calculated to be 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 Glenham, South Dakota, with an average temperature ranging between min 63.3°F (17.4°C) and max 84.2°F (29°C). Glenham, South Dakota, notes an average high-temperature of a moderately hot 84.2°F (29°C) in August, displaying minor variation from July. Weather in August »
Weather in September
September, the first month of the autumn in Glenham, is still a warm month, with an average temperature ranging between min 54.5°F (12.5°C) and max 74.5°F (23.6°C). As August transitions into September, Glenham sees a drop in the average high-temperature, transitioning from a warm 84.2°F (29°C) to a still moderately hot 74.5°F (23.6°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Glenham, South Dakota, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 55.9°F (13.3°C). October signals a significant shift in the average high-temperature, falling from September's moderately hot 74.5°F (23.6°C) to a refreshing 55.9°F (13.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Glenham, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 28.4°F (-2°C). With the onset of November, Glenham experiences a distinct temperature drop, with the average high-temperature reducing from October's moderate 55.9°F (13.3°C) to an icy 41.5°F (5.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Glenham, South Dakota, with an average temperature ranging between min 14.4°F (-9.8°C) and max 25.7°F (-3.5°C). In Glenham, the average high-temperature in December significantly decreases from an icy 41.5°F (5.3°C) in November to a subzero cold 25.7°F (-3.5°C). Weather in December »
Updated: Aug 26, 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 is the coldest time of year?
Glenham's coldest weather arrives in January, when temperatures average a high of 23°F (-5°C) and a low of 9°F (-12.8°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 87%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 2.3 days and typically collects 0.47" (12mm) of precipitation.
How much does it rain?
Throughout the year, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Glenham, during the entire year, snow falls for 49.4 days and aggregates up to 19.09" (485mm) of snow.
What is the month with the least sunshine?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 3.98" (101mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 13.8 days and accumulates 2.32" (59mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 36min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July, with an average high of 86.4°F (30.2°C) and a low of 65.5°F (18.6°C), signifies the warmest month of the year.
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?
August is the least humid month, with an average relative humidity of 52%.
What is the month with the shortest days?
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Glenham, SD
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure
Glenham, 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:
29.95"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:
29.94"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"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
Glenham, SD
- Average wind speed in January:
10mph - Average wind speed in February:
9.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
11.5mph - Average wind speed in May:
10.8mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.8mph - Average wind speed in August:
9.5mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity
Glenham, SD
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Glenham, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.67" - Average rainfall in March:
0.98" - Average rainfall in April:
1.57" - Average rainfall in May:
2.28" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.18" - Average rainfall in September:
1.18" - Average rainfall in October:
1.38" - Average rainfall in November:
0.59" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Glenham, SD
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
1.3 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall
Glenham, SD
- Average snowfall in January:
2.87" - Average snowfall in February:
3.98" - Average snowfall in March:
3.11" - Average snowfall in April:
2.8" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glenham, SD
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3.6 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:
1.6 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Glenham, 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:
4h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
10h and 5min - 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 3min
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 6min).
Average sunshine days
Glenham, SD
- Average sunshine days in January:
18 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
16.7 days - Average sunshine days in August:
18 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
21 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index
Glenham, 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 and December (UV index 1).
Average cloud cover
Glenham, SD
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility
Glenham, 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).
Glenham, South Dakota, USA
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