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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 Glen Ullin, North Dakota, is another subzero cold winter month, with an average temperature ranging between max 21.2°F (-6°C) and min 7.2°F (-13.8°C). The coldest temperatures occur during January, when averages reach a peak of 21.2°F (-6°C) and a low of 7.2°F (-13.8°C). Weather in January »
Weather in February
February, the last month of the winter in Glen Ullin, is another freezing cold month, with temperature in the range of an average high of 21.9°F (-5.6°C) and an average low of 7.5°F (-13.6°C). As February takes its course, Glen Ullin's average high-temperature registers at a still subzero cold 21.9°F (-5.6°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Glen Ullin, is a cold month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 37.8°F (3.2°C). The beginning of March signals a clear escalation in the average high-temperature, soaring from a subzero cold 21.9°F (-5.6°C) in February to a wintry 37.8°F (3.2°C). Weather in March »
Weather in April
April is a cool spring month in Glen Ullin, North Dakota, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 34.3°F (1.3°C). With the onset of April, Glen Ullin sees a temperature rise, with the average high-temperature moving from March's wintry 37.8°F (3.2°C) to a fresh 50.9°F (10.5°C). Weather in April »
Weather in May
May, the last month of the spring in Glen Ullin, is an enjoyable month, with an average temperature fluctuating between 64.8°F (18.2°C) and 46.2°F (7.9°C). May marks a rise in the average high-temperature, moving from April's cool 50.9°F (10.5°C) to an enjoyable 64.8°F (18.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Glen Ullin, North Dakota, with an average temperature ranging between max 75°F (23.9°C) and min 55°F (12.8°C). The shift from May to June brings an increase in the average high-temperature, moving from a refreshing 64.8°F (18.2°C) to a moderately hot 75°F (23.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Glen Ullin, North Dakota, with an average temperature fluctuating between 82.9°F (28.3°C) and 60.4°F (15.8°C). July stands out as Glen Ullin's warmest month, with an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 60.4°F (15.8°C). The heat index value for July is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Glen Ullin, is another warm month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 59.7°F (15.4°C). August's weather displays an average high-temperature of a still moderately hot 81.9°F (27.7°C), slightly varied from July's 82.9°F (28.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Glen Ullin, North Dakota, with an average temperature ranging between min 51.8°F (11°C) and max 71.6°F (22°C). Glen Ullin in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 81.9°F (27.7°C) in August to a pleasant 71.6°F (22°C). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Glen Ullin, North Dakota, with an average temperature fluctuating between 38.5°F (3.6°C) and 53.6°F (12°C). The shift into October is characterized by a noticeable reduction in the average high-temperature, decreasing from September's pleasant 71.6°F (22°C) to a fresh 53.6°F (12°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Glen Ullin, North Dakota, with an average temperature varying between 38.7°F (3.7°C) and 25.3°F (-3.7°C). November's onset brings a clear reduction in the average high-temperature, falling from a fresh 53.6°F (12°C) in October to an icy 38.7°F (3.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Glen Ullin, North Dakota, with an average temperature ranging between max 23.2°F (-4.9°C) and min 11.3°F (-11.5°C). Glen Ullin's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a wintry 38.7°F (3.7°C) in November to a freezing cold 23.2°F (-4.9°C). Weather in December »
Updated: Feb 13, 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 part of the year is the coldest in Glen Ullin?
January, with average temperatures reaching a high of 21.2°F (-6°C) and a low of 7.2°F (-13.8°C), is the coldest month.
What is the most humid month in Glen Ullin?
With an average relative humidity of 89%, January is the most humid month in Glen Ullin.
How many days does it rain in Glen Ullin?
Throughout the year, in Glen Ullin, North Dakota, there are 100.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.
When does it snow in Glen Ullin?
Months with snowfall in Glen Ullin, North Dakota, are January through May, October through December.
How many days does it snow in Glen Ullin?
Throughout the year, there are 66.7 snowfall days, and 20.04" (509mm) of snow is accumulated.
What is the month with the least sunshine in Glen Ullin?
The months with the least sunshine are January and December, with an average of 4h of sunshine.
What is the driest month in Glen Ullin?
The month with the least rainfall in Glen Ullin, North Dakota, is February, when the rain falls for 2.8 days and typically collects 0.51" (13mm) of precipitation.
What is the month with the lowest UV index in Glen Ullin?
February is the month with the lowest UV index in Glen Ullin, North Dakota, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Glen Ullin?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glen Ullin, 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 in Glen Ullin?
The month with the most rainfall in Glen Ullin is June, when the rain falls for 15.4 days and typically aggregates up to 2.56" (65mm) of precipitation.
When it does not snow in Glen Ullin?
In Glen Ullin, North Dakota, snow does not fall in June through September.
When are the longest days in Glen Ullin?
With an average of 15h and 48min of daylight, June has the longest days of the year.
What part of the year is the hottest in Glen Ullin?
In Glen Ullin, the peak average temperatures are observed in July, with a high of 82.9°F (28.3°C) and a low of 60.4°F (15.8°C).
What month has the most sunshine in Glen Ullin?
The month with the most sunshine is July, with an average of 11.4h of sunshine.
What is the month with the highest UV index in Glen Ullin?
With an average maximum UV index of 6, July is the month with the highest UV index in Glen Ullin.
What is the least humid month in Glen Ullin?
With an average relative humidity of 53%, August is the least humid month in Glen Ullin.
When does it snow the most in Glen Ullin?
December is the month with the most snowfall. Snow falls for 13.6 days and accumulates 3.98" (101mm) of snow.
What is the month with the shortest days in Glen Ullin?
With an average of 8h and 36min of daylight, December has the shortest days of the year in Glen Ullin, North Dakota.
Average temperature
Glen Ullin, ND
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (21.2°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure
Glen Ullin, ND
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"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:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Glen Ullin, ND
- Average wind speed in January:
10.4mph - Average wind speed in February:
9.2mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.7mph - Average wind speed in May:
10.1mph - Average wind speed in June:
9.4mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.8mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Glen Ullin, ND
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (53%).
Average rainfall
Glen Ullin, ND
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.83" - Average rainfall in April:
1.22" - Average rainfall in May:
1.93" - Average rainfall in June:
2.56"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Glen Ullin, ND
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
10.5 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
3.4 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Glen Ullin, ND
- Average snowfall in January:
3.58" - Average snowfall in February:
3.43" - Average snowfall in March:
3.03" - Average snowfall in April:
1.57" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glen Ullin, ND
- Average snowfall days in January:
13.8 days - Average snowfall days in February:
13.2 days - Average snowfall days in March:
9.8 days - Average snowfall days in April:
4.4 days - Average snowfall days in May:
0.5 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:
0.1 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
7.8 days - Average snowfall days in December:
13.6 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Glen Ullin, ND
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- 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 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 3min - Average sunshine in May:
9h and 4min - 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 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days
Glen Ullin, ND
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
15 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
15 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
20 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is September (20 days).
The month with the least sunshine days is June (13.1 days).
Average UV index
Glen Ullin, ND
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Glen Ullin, ND
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility
Glen Ullin, ND
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).
Glen Ullin, North Dakota, USA
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