Climate and monthly weather forecastMarion, MT
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Marion, Montana, with an average temperature varying between 16.2°F (-8.8°C) and 28.6°F (-1.9°C). As Marion transitions from December to January, the average high-temperatures adjust to a still subzero cold 28.6°F (-1.9°C), nearly the same as the previous 27.1°F (-2.7°C). Weather in January »Weather in February
February, the last month of the winter in Marion, is also a subzero cold month, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 29.7°F (-1.3°C). The advent of February signifies a minor shift to an average high-temperature of a still subzero cold 29.7°F (-1.3°C), aligning closely with January. Weather in February »Weather in March
The first month of the spring, March, is a cold month in Marion, Montana, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 38.3°F (3.5°C). A soft shift in the average high-temperature is noticeable in March, transitioning from a subzero cold 29.7°F (-1.3°C) in February to a cold 38.3°F (3.5°C). Weather in March »Weather in April
April is a frosty spring month in Marion, Montana, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 47.8°F (8.8°C). The start of April brings a rise in the average high-temperature, moving from a cold 38.3°F (3.5°C) in March to a chilly 47.8°F (8.8°C). Weather in April »Weather in May
May, the last month of the spring in Marion, is a comfortable month, with an average temperature fluctuating between 60.8°F (16°C) and 36.7°F (2.6°C). May brings a rise in Marion's average high-temperature, moving from a frosty 47.8°F (8.8°C) in April to a comfortable 60.8°F (16°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Marion, Montana, with an average temperature fluctuating between 42.8°F (6°C) and 68°F (20°C). In June, the meteorological conditions subtly change with the average high-temperature edging from an enjoyable 60.8°F (16°C) in May to a pleasant 68°F (20°C). Weather in June »Weather in July
July is a moderately hot summer month in Marion, Montana, with an average temperature ranging between min 48.4°F (9.1°C) and max 79.3°F (26.3°C). The warmest time of the year is July, with temperatures averaging a high of 79.3°F (26.3°C) and a low of 48.4°F (9.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Marion, Montana, with an average temperature fluctuating between 78.4°F (25.8°C) and 48.2°F (9°C). The ushering in of August brings an average high-temperature of a still moderately hot 78.4°F (25.8°C), closely mirroring the 79.3°F (26.3°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Marion, is still a comfortable month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 41.5°F (5.3°C). Marion in September undergoes a mild reduction in the average high-temperature, shifting from August's moderately hot 78.4°F (25.8°C) to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, like September, in Marion, Montana, is a cool autumn month, with an average temperature ranging between min 32.7°F (0.4°C) and max 50.4°F (10.2°C). The shift into October is characterized by a noticeable reduction in the average high-temperature, decreasing from September's enjoyable 67.1°F (19.5°C) to a fresh 50.4°F (10.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Marion, Montana, with an average temperature varying between 36°F (2.2°C) and 24.1°F (-4.4°C). Marion's progression into November includes a drop in the average high-temperature, from a cool 50.4°F (10.2°C) in October to an icy 36°F (2.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Marion, Montana, with an average temperature varying between 27.1°F (-2.7°C) and 16.2°F (-8.8°C). Marion's December weather, with an average high temperature of 27.1°F (-2.7°C) and an average low temperature of 16.2°F (-8.8°C), tends to be the coldest of the year. 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
With an average relative humidity of 93%, January is the most humid month in Marion.
In Marion, Montana, during the entire year, the rain falls for 129.8 days and collects up to 16.42" (417mm) of precipitation.
January through June, September through December are months with snowfall.
In Marion, during the entire year, snow falls for 117.4 days and aggregates up to 58.62" (1489mm) of snow.
January has the least sunshine of the year in Marion, with an average of 3.5h of sunshine.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The month with the most rainfall in Marion, Montana, is June, when the rain falls for 14.9 days and typically aggregates up to 1.89" (48mm) of precipitation.
The month with the longest days in Marion is June, with an average of 16h and 0min of daylight.
With average high and low temperatures of 79.3°F (26.3°C) and 48.4°F (9.1°C) respectively, July is Marion's warmest month.
The months with the lowest humidity are July and August, with an average relative humidity of 52%.
July is the month with the least rainfall in Marion. Rain falls for 8 days and accumulates 0.59" (15mm) of precipitation.
July and August are months without snowfall.
With an average of 11.7h 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.
With average high and low temperatures of 27.1°F (-2.7°C) and 16.2°F (-8.8°C) respectively, December is Marion's coldest month.
December is the month with the most snowfall in Marion. Snow falls for 21.7 days and accumulates 12.36" (314mm) of snow.
December has the shortest days of the year, with an average of 8h and 24min of daylight.
Average temperature
Marion, MT
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).
The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).
Average pressure
Marion, MT
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Marion, MT
- Average wind speed in January:
3.7mph - Average wind speed in February:
4mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.7mph - Average wind speed in October:
4mph - Average wind speed in November:
4mph - Average wind speed in December:
3.6mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).
Average humidity
Marion, MT
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall
Marion, MT
- Average rainfall in January:
1.42" - Average rainfall in February:
1.5" - Average rainfall in March:
1.65" - Average rainfall in April:
1.73" - Average rainfall in May:
1.5" - Average rainfall in June:
1.89"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.63" - Average rainfall in September:
0.98" - Average rainfall in October:
1.54" - Average rainfall in November:
1.42" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days
Marion, MT
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
7.1 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).
Average snowfall
Marion, MT
- Average snowfall in January:
11.14" - Average snowfall in February:
11.46" - Average snowfall in March:
9.06" - Average snowfall in April:
4.25" - Average snowfall in May:
0.83" - Average snowfall in June:
0.04"
The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").
Average snowfall days
Marion, MT
- Average snowfall days in January:
22.3 days - Average snowfall days in February:
20.9 days - Average snowfall days in March:
18.9 days - Average snowfall days in April:
9.8 days - Average snowfall days in May:
2.3 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:
0.4 days - Average snowfall days in October:
5 days - Average snowfall days in November:
16 days - Average snowfall days in December:
21.7 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Marion, MT
- Average daylight in January:
8h and 54min - 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 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Marion, MT
- Average sunshine days in January:
8.9 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
7.5 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
10.1 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index
Marion, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Marion, MT
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Marion, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
