Climate and monthly weather forecastSand Coulee, MT
Climate and monthly weather forecast
Weather in January
January in Sand Coulee, Montana, is an icy winter month, with an average temperature varying between 19.8°F (-6.8°C) and 32.2°F (0.1°C). Sand Coulee sees the arrival of January with an average high-temperature of an icy 32.2°F (0.1°C), indicating a subtle variation from December. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Sand Coulee, Montana, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 18.3°F (-7.6°C). February brings an average high-temperature of a freezing cold 31.6°F (-0.2°C), showing a slight difference from January's 32.2°F (0.1°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Sand Coulee, Montana, with an average temperature fluctuating between 27.5°F (-2.5°C) and 43.3°F (6.3°C). March's onset witnesses a shift in the average high-temperature, moving from a subzero cold 31.6°F (-0.2°C) in February to a chilly 43.3°F (6.3°C). Weather in March »Weather in April
April in Sand Coulee, Montana, is a cool spring month, with an average temperature fluctuating between 52.3°F (11.3°C) and 34.9°F (1.6°C). Sand Coulee experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 43.3°F (6.3°C) in March to a cool 52.3°F (11.3°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Sand Coulee, Montana, with an average temperature varying between 63°F (17.2°C) and 42.6°F (5.9°C). Sand Coulee sees an increase in average high-temperatures during May, moving from a cool 52.3°F (11.3°C) in April to a refreshing 63°F (17.2°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Sand Coulee, Montana, with an average temperature fluctuating between 49.6°F (9.8°C) and 72°F (22.2°C). The start of June is characterized by an increase in the average high-temperature, transitioning from a refreshing 63°F (17.2°C) in May to a pleasant 72°F (22.2°C). Weather in June »Weather in July
July is a moderately hot summer month in Sand Coulee, Montana, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 56.8°F (13.8°C). Sand Coulee's temperatures tend to reach their peak averages in July, with a high of 82.9°F (28.3°C) and a low of 56.8°F (13.8°C). The heat index in July is computed to be 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Sand Coulee, is another warm month, with an average temperature varying between 58.5°F (14.7°C) and 81.5°F (27.5°C). In the transition from July to August, Sand Coulee reports an average high-temperature of a still warm 81.5°F (27.5°C), indicating a close resemblance to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Sand Coulee, is still a pleasant month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 70.7°F (21.5°C). September indicates a shift in the average high-temperature, from August's moderately hot 81.5°F (27.5°C) to an agreeable 70.7°F (21.5°C). Weather in September »Weather in October
October, like September, in Sand Coulee, Montana, is a cool autumn month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 54.1°F (12.3°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a pleasant 70.7°F (21.5°C) to a cool 54.1°F (12.3°C). Weather in October »Weather in November
November, the last month of the autumn in Sand Coulee, is also an icy month, with an average temperature fluctuating between 41°F (5°C) and 27.3°F (-2.6°C). In Sand Coulee, the beginning of November is marked by a lowered average high-temperature, shifting from October's cool 54.1°F (12.3°C) to a wintry 41°F (5°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Sand Coulee, Montana, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 30°F (-1.1°C). December is the month that records the lowest temperatures, with averages ranging from a high of 30°F (-1.1°C) to a low of 18.5°F (-7.5°C). Weather in December »Updated: Jun 21, 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
January is the most humid month, with an average relative humidity of 77%.
In Sand Coulee, during the entire year, the rain falls for 85.3 days and collects up to 9.84" (250mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, in Sand Coulee, there are 58.9 snowfall days, and 28.54" (725mm) of snow is accumulated.
January, February and December, with an average of 5.6h of sunshine, are months with the least sunshine.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 12.9 days and accumulates 5.67" (144mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sand Coulee, Montana, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
June is the month with the most rainfall. Rain falls for 10.3 days and accumulates 1.57" (40mm) of precipitation.
In Sand Coulee, Montana, snow does not fall in June through August.
The month with the longest days is June, with an average of 15h and 54min of daylight.
July stands out as Sand Coulee's warmest month, with an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 56.8°F (13.8°C).
July is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.47" (12mm) of precipitation.
With an average of 12.1h of sunshine, July has the most sunshine of the year.
July is the month with the highest UV index, with an average maximum UV index of 6.
The least humid month is August, with an average relative humidity of 40%.
In Sand Coulee, the average lowest temperatures are observed in December, with a high of 30°F (-1.1°C) and a low of 18.5°F (-7.5°C).
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average temperature
Sand Coulee, MT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30°F).
The month with the highest average low temperature is August (58.5°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure
Sand Coulee, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"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:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Sand Coulee, MT
- Average wind speed in January:
11.4mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10mph - Average wind speed in November:
11.4mph - Average wind speed in December:
11.1mph
The windiest months (with the highest average wind speed) are January and November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity
Sand Coulee, MT
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall
Sand Coulee, MT
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
0.79" - Average rainfall in April:
1.22" - Average rainfall in May:
1.18" - Average rainfall in June:
1.57"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.51" - Average rainfall in September:
0.67" - Average rainfall in October:
0.63" - Average rainfall in November:
0.67" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days
Sand Coulee, MT
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
11.7 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
6 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
4 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is May (11.7 days).
The months with the least rainy days are November and December (4 days).
Average snowfall
Sand Coulee, MT
- Average snowfall in January:
4.76" - Average snowfall in February:
5.67" - Average snowfall in March:
3.9" - Average snowfall in April:
3.31" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Sand Coulee, MT
- Average snowfall days in January:
11.6 days - Average snowfall days in February:
12.9 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
4.3 days - Average snowfall days in May:
1 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
2.7 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
11 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Sand Coulee, MT
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
5h and 36min - Average sunshine in March:
7h and 48min - Average sunshine in April:
9h and 18min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 48min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 36min).
Average sunshine days
Sand Coulee, MT
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
18 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
23.9 days - Average sunshine days in September:
23.1 days - Average sunshine days in October:
22.2 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (12.4 days).
Average UV index
Sand Coulee, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Sand Coulee, MT
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility
Sand Coulee, MT
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).
