Monthly weather forecast and climate
Saint Xavier, MT

January is a cold winter month in Saint Xavier, Montana, with average temperature fluctuating between 32.5°F (0.3°C) and 18.5°F (-7.5°C). In Saint Xavier, the average high-temperature is essentially the same as in December - a wintry 32.5°F (0.3°C). Weather in January »

February, the last month of the winter, in Saint Xavier, is also a wintry month, with average temperature ranging between max 32.7°F (0.4°C) and min 17.8°F (-7.9°C). In Saint Xavier, the average high-temperature is almost the same as in January - a still cold 32.7°F (0.4°C). Weather in February »

The first month of the spring, March, is a chilly month in Saint Xavier, Montana, with average temperature ranging between min 29.1°F (-1.6°C) and max 45.3°F (7.4°C). In Saint Xavier, the average high-temperature in March increases, from a wintry 32.7°F (0.4°C) in February, to a chilly 45.3°F (7.4°C). Weather in March »

April is a fresh spring month in Saint Xavier, Montana, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 35.8°F (2.1°C). In April, the average high-temperature marginally rises, from a chilly 45.3°F (7.4°C) in March, to a fresh 54°F (12.2°C). Weather in April »

May, the last month of the spring, in Saint Xavier, is a comfortable month, with average temperature ranging between min 44.2°F (6.8°C) and max 64.2°F (17.9°C). In Saint Xavier, the average high-temperature increases, from a fresh 54°F (12.2°C) in April, to an enjoyable 64.2°F (17.9°C). Weather in May »

June, the first month of the summer, in Saint Xavier, is a warm month, with average temperature varying between 53.4°F (11.9°C) and 75.7°F (24.3°C). In Saint Xavier, the average high-temperature increases, from a comfortable 64.2°F (17.9°C) in May, to a moderately hot 75.7°F (24.3°C). Weather in June »

July, like June, in Saint Xavier, Montana, is a moderately hot summer month, with average temperature ranging between min 61.3°F (16.3°C) and max 85.8°F (29.9°C). The warmest month is July, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 61.3°F (16.3°C). In July, the average heat index is calculated to 85.5°F (29.7°C). Weather in July »

August, the last month of the summer, in Saint Xavier, is another warm month, with average temperature ranging between max 84°F (28.9°C) and min 61.3°F (16.3°C). In August, the average high-temperature is practically the same as in July - a still warm 84°F (28.9°C). Weather in August »

September, the first month of the autumn, in Saint Xavier, is also a moderately hot month, with average temperature ranging between min 54°F (12.2°C) and max 74.3°F (23.5°C). In September, the average high-temperature drops, from a moderately hot 84°F (28.9°C) in August, to a still warm 74.3°F (23.5°C). Weather in September »

October, the same as September, in Saint Xavier, Montana, is another mild autumn month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 57°F (13.9°C). In October, the average high-temperature plummets, from a moderately hot 74.3°F (23.5°C) in September, to a mild 57°F (13.9°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Saint Xavier, Montana, with average temperature varying between 29.1°F (-1.6°C) and 43.5°F (6.4°C). In November, the average high-temperature drops, from a moderate 57°F (13.9°C) in October, to a frosty 43.5°F (6.4°C). Weather in November »

December, the first month of the winter, in Saint Xavier, is still a freezing cold month, with average temperature fluctuating between 18.1°F (-7.7°C) and 31.3°F (-0.4°C). The coldest month is December, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.1°F (-7.7°C). Weather in December »

What is the most humid month in Saint Xavier?

January and February, with an average relative humidity of 76%, are most humid months.

How many days does it rain in Saint Xavier?

In Saint Xavier, during the entire year, the rain falls for 46.3 days and collects up to 2.83" (72mm) of precipitation.

What is the driest month in Saint Xavier?

January and December are months with the least rain when the rain falls for 3.1 days and typically aggregates up to 0.12" (3mm) of rain.

When does it snow in Saint Xavier?

January through May, October through December are months with snowfall in Saint Xavier.

How many days does it snow in Saint Xavier?

In Saint Xavier, Montana, during the entire year, snow falls for 23.9 days, and aggregates up to 6.22" (158mm) of snow.

What are the months with the lowest UV index in Saint Xavier?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Saint Xavier?

The month with the most snowfall in Saint Xavier is February when snow falls for 5.6 days and typically aggregates up to 1.57" (40mm) of snow.

What is the month with the least sunshine in Saint Xavier?

The month with the least sunshine is February, with an average of 5.6h of sunshine.

What is the rainiest month in Saint Xavier?

May is the month with the most rainfall in Saint Xavier. Rain falls for 6.1 days and accumulates 0.47" (12mm) of precipitation.

When it does not snow in Saint Xavier?

In Saint Xavier snow does not fall in June through September.

When are the longest days in Saint Xavier?

The month with the longest days in Saint Xavier is June, with an average of 15.6h of daylight.

What is the warmest month in Saint Xavier?

With an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 61.3°F (16.3°C), July is the warmest month.

What month has the most sunshine in Saint Xavier?

July has the most sunshine of the year, with an average of 12h of sunshine.

What is the month with the highest UV index in Saint Xavier?

July is the month with the highest UV index in Saint Xavier, Montana, with an average maximum UV index of 7.

What is the least humid month in Saint Xavier?

August is the least humid month in Saint Xavier, with an average relative humidity of 38%.

What is the coldest month in Saint Xavier?

With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.1°F (-7.7°C), December is the coldest month in Saint Xavier.

What is the month with the shortest days in Saint Xavier?

The month with the shortest days in Saint Xavier is December, with an average of 8.8h of daylight.
Average temperature - Saint Xavier, MT
Average pressure - Saint Xavier, MT

Months with the highest atmospheric pressure are January and December (30.13").
The month with the lowest atmospheric pressure is June (29.85").

Average wind speed - Saint Xavier, MT

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
Average rainfall - Saint Xavier, MT

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 snowfall - Saint Xavier, MT
Average snowfall days - Saint Xavier, MT

The month with the highest number of snowfall days is February (5.6 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Saint Xavier, MT

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 5.6h).

Average sunshine days - Saint Xavier, MT

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
Average visibility - Saint Xavier, MT

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).