Climate and monthly weather forecastSaint Xavier, MT
Climate and monthly weather forecast
Weather in January
January in Saint Xavier, Montana, is a wintry winter month, with an average temperature fluctuating between 32.5°F (0.3°C) and 18.5°F (-7.5°C). The shift into January records an average high-temperature of an icy 32.5°F (0.3°C), subtly varied from December's 31.3°F (-0.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Saint Xavier, Montana, with an average temperature ranging between max 32.7°F (0.4°C) and min 17.8°F (-7.9°C). The transition into February marks the average high-temperature at a still wintry 32.7°F (0.4°C), differing minimally from January's 32.5°F (0.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Saint Xavier, Montana, with an average temperature ranging between max 45.3°F (7.4°C) and min 29.1°F (-1.6°C). Observing a rise in March, the average high-temperature goes from February's cold 32.7°F (0.4°C) to a chilly 45.3°F (7.4°C). Weather in March »Weather in April
April in Saint Xavier, Montana, is a cool spring month, with an average temperature ranging between min 35.8°F (2.1°C) and max 54°F (12.2°C). The commencement of April sees a minor shift in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a cool 54°F (12.2°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Saint Xavier, Montana, with an average temperature ranging between max 64.2°F (17.9°C) and min 44.2°F (6.8°C). In Saint Xavier, stepping into May brings a temperature increase, moving up from April's cool 54°F (12.2°C) to an enjoyable 64.2°F (17.9°C). Weather in May »Weather in June
June, the first month of the summer in Saint Xavier, is a moderately hot month, with an average temperature fluctuating between 53.4°F (11.9°C) and 75.7°F (24.3°C). June shows a rise in the average high-temperature, moving from May's enjoyable 64.2°F (17.9°C) to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Saint Xavier, Montana, with an average temperature fluctuating between 61.3°F (16.3°C) and 85.8°F (29.9°C). Temperature readings reach their annual highs in July, averaging 85.8°F (29.9°C) and a minimum average of 61.3°F (16.3°C). In July, the average heat index is evaluated at a tropical 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Saint Xavier, is also a moderately hot month, with an average temperature fluctuating between 61.3°F (16.3°C) and 84°F (28.9°C). Saint Xavier records an average high-temperature of a still warm 84°F (28.9°C) in August, maintaining a close correlation with July's 85.8°F (29.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Saint Xavier, Montana, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 74.3°F (23.5°C). The arrival of September corresponds with a temperature reduction, down from August's 84°F (28.9°C) to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Saint Xavier, Montana, with an average temperature varying between 40.1°F (4.5°C) and 57°F (13.9°C). Saint Xavier's transition into October is marked by a distinct drop in the average high-temperature, reducing from a moderately hot 74.3°F (23.5°C) in September to a moderate 57°F (13.9°C). Weather in October »Weather in November
November, the last month of the autumn in Saint Xavier, is another chilly month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 43.5°F (6.4°C). Saint Xavier in November experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 57°F (13.9°C) in October to a chilly 43.5°F (6.4°C). Weather in November »Weather in December
December, the first month of the winter in Saint Xavier, is still a freezing cold month, with an average temperature ranging between max 31.3°F (-0.4°C) and min 18.1°F (-7.7°C). December tends to be the coldest month, with temperatures averaging a daily high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Saint Xavier, MT
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (31.3°F).
The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure
Saint Xavier, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Saint Xavier, MT
- Average wind speed in January:
8.8mph - Average wind speed in February:
8mph - Average wind speed in March:
8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity
Saint Xavier, MT
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (38%).
Average rainfall
Saint Xavier, MT
- Average rainfall in January:
0.12" - Average rainfall in February:
0.24" - Average rainfall in March:
0.2" - Average rainfall in April:
0.31" - Average rainfall in May:
0.47" - Average rainfall in June:
0.31"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.16" - Average rainfall in September:
0.24" - Average rainfall in October:
0.2" - Average rainfall in November:
0.16" - Average rainfall in December:
0.12"
The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are January and December (0.12").
Average rainfall days
Saint Xavier, MT
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
4.3 days - Average rainfall days in April:
6 days - Average rainfall days in May:
6.1 days - Average rainfall days in June:
5.3 days
- Average rainfall days in July:
4.5 days - Average rainfall days in August:
4.2 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
3.2 days - Average rainfall days in November:
2.5 days - Average rainfall days in December:
2.2 days
The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is December (2.2 days).
Average snowfall
Saint Xavier, MT
- Average snowfall in January:
0.67" - Average snowfall in February:
1.57" - Average snowfall in March:
0.83" - Average snowfall in April:
0.87" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Saint Xavier, MT
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
5.6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.6 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:
1.1 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
4.3 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Saint Xavier, MT
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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:
6h and 0min - Average sunshine in February:
5h and 36min - Average sunshine in March:
8h and 12min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 18min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days
Saint Xavier, MT
- Average sunshine days in January:
26 days - Average sunshine days in February:
21.6 days - Average sunshine days in March:
24.5 days - Average sunshine days in April:
23.1 days - Average sunshine days in May:
24 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
26.4 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
26.8 days - Average sunshine days in October:
26.5 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
26.5 days
The month with the most sunshine days is September (26.8 days).
The month with the least sunshine days is February (21.6 days).
Average UV index
Saint Xavier, MT
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Saint Xavier, MT
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility
Saint Xavier, 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).





