Climate and monthly weather forecastSaint Ignatius, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Saint Ignatius, Montana, is a freezing cold winter month, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 18°F (-7.8°C). The arrival of January sees an average high-temperature of a still freezing cold 29.8°F (-1.2°C), hardly diverging from December's 28.4°F (-2°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Saint Ignatius, Montana, with an average temperature varying between 30.4°F (-0.9°C) and 17.6°F (-8°C). The average high-temperature during February registers at a still freezing cold 30.4°F (-0.9°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Saint Ignatius, is an icy month, with an average temperature ranging between max 39.2°F (4°C) and min 24.8°F (-4°C). The beginning of March signals a minor rise in the average high-temperature, moving from a freezing cold 30.4°F (-0.9°C) in February to a cold 39.2°F (4°C). Weather in March »Weather in April
April in Saint Ignatius, Montana, is a frosty spring month, with an average temperature varying between 29.8°F (-1.2°C) and 48.7°F (9.3°C). Entering April, Saint Ignatius sees a temperature rise, with the average high-temperature advancing from March's cold 39.2°F (4°C) to a frosty 48.7°F (9.3°C). Weather in April »Weather in May
May, the last month of the spring in Saint Ignatius, is a comfortable month, with an average temperature ranging between max 61°F (16.1°C) and min 36.7°F (2.6°C). Saint Ignatius's transition into May brings a rise in the average high-temperature, moving from a frosty 48.7°F (9.3°C) in April to a comfortable 61°F (16.1°C). Weather in May »Weather in June
June, the first month of the summer in Saint Ignatius, is an agreeable month, with an average temperature varying between 68.5°F (20.3°C) and 43.3°F (6.3°C). June marks a minor ascent in the average high-temperature, adjusting from May's comfortable 61°F (16.1°C) to an agreeable 68.5°F (20.3°C). Weather in June »Weather in July
July is a warm summer month in Saint Ignatius, Montana, with an average temperature ranging between min 49.3°F (9.6°C) and max 79.7°F (26.5°C). The highest temperatures are recorded in July, with averages reaching a high of 79.7°F (26.5°C) and a low of 49.3°F (9.6°C). Weather in July »Weather in August
August, the last month of the summer in Saint Ignatius, is also a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 49.5°F (9.7°C). Transitioning into August, Saint Ignatius experiences an average high-temperature of a still moderately hot 79.3°F (26.3°C), marking a minor shift from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Saint Ignatius, is still a pleasant month, with an average temperature varying between 42.3°F (5.7°C) and 68.5°F (20.3°C). In Saint Ignatius, the average high-temperature in September drops from a moderately hot 79.3°F (26.3°C) in August to an agreeable 68.5°F (20.3°C). Weather in September »Weather in October
October, like September, in Saint Ignatius, Montana, is a cool autumn month, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 32.7°F (0.4°C). Saint Ignatius's weather experiences a significant temperature drop with the arrival of October, falling from a pleasant 68.5°F (20.3°C) in September to a cool 51.8°F (11°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Saint Ignatius, Montana, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 24.4°F (-4.2°C). November's arrival is marked by a significant decrease in the average high-temperature, moving from a cool 51.8°F (11°C) in October to a cold 37.2°F (2.9°C). Weather in November »Weather in December
December, the first month of the winter in Saint Ignatius, is also a subzero cold month, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 16.7°F (-8.5°C). December is Saint Ignatius's coldest month, registering average high temperatures of 28.4°F (-2°C) and lows of 16.7°F (-8.5°C). Weather in December »Updated: Aug 29, 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 91%.
Throughout the year, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.
January through May, September through December are months with snowfall.
Throughout the year, there are 67.1 snowfall days, and 28.27" (718mm) of snow is accumulated.
With an average of 4.7h of sunshine, January has the least sunshine of the year.
February is the month with the most snowfall. Snow falls for 14.1 days and accumulates 6.5" (165mm) of snow.
February 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.
June is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.2" (56mm) of precipitation.
In Saint Ignatius, 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, having an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 49.3°F (9.6°C), is the warmest month.
The months with the least rainfall in Saint Ignatius are July and August Rain falls for 8 days and accumulates 0.63" (16mm) of rain.
July has the most sunshine of the year, with an average of 11.8h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
With an average relative humidity of 49%, August is the least humid month.
In Saint Ignatius, the average lowest temperatures are observed in December, with a high of 28.4°F (-2°C) and a low of 16.7°F (-8.5°C).
The month with the shortest days is December, with an average of 8h and 30min of daylight.
Average temperature
Saint Ignatius, MT
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure
Saint Ignatius, MT
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Saint Ignatius, MT
- Average wind speed in January:
3.9mph - Average wind speed in February:
4mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
4.1mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.2mph - Average wind speed in December:
3.9mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).
Average humidity
Saint Ignatius, MT
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).
Average rainfall
Saint Ignatius, MT
- Average rainfall in January:
1.06" - Average rainfall in February:
1.18" - Average rainfall in March:
1.22" - Average rainfall in April:
1.34" - Average rainfall in May:
1.26" - Average rainfall in June:
2.2"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.63" - Average rainfall in September:
0.91" - Average rainfall in October:
1.14" - Average rainfall in November:
0.87" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days
Saint Ignatius, MT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
7.4 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).
Average snowfall
Saint Ignatius, MT
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Saint Ignatius, MT
- Average snowfall days in January:
13.9 days - Average snowfall days in February:
14.1 days - Average snowfall days in March:
9.7 days - Average snowfall days in April:
4.3 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:
0.2 days - Average snowfall days in October:
2 days - Average snowfall days in November:
8.1 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Saint Ignatius, 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:
4h and 42min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 6min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 42min - Average sunshine in September:
9h and 18min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Saint Ignatius, MT
- Average sunshine days in January:
13.7 days - Average sunshine days in February:
11 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
15.9 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).
Average UV index
Saint Ignatius, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Saint Ignatius, MT
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Saint Ignatius, MT
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
