Monthly weather forecast and climate
Sphinx, MT

January, the same as December, in Sphinx, Montana, is another subzero cold winter month, with average temperature varying between 9.9°F (-12.3°C) and 25°F (-3.9°C). In January, the average high-temperature is almost the same as in December - a still subzero cold 25°F (-3.9°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Sphinx, Montana, with temperature in the range of an average low of 9.5°F (-12.5°C) and an average high of 25.2°F (-3.8°C). In Sphinx, the average high-temperature is relatively the same as in January - a still freezing cold 25.2°F (-3.8°C). Weather in February »

The first month of the spring, March, is a cold month in Sphinx, Montana, with average temperature fluctuating between 32.9°F (0.5°C) and 17.6°F (-8°C). In Sphinx, the average high-temperature in March slightly increases, from a freezing cold 25.2°F (-3.8°C) in February, to a cold 32.9°F (0.5°C). Weather in March »

April, the same as March, is another cold spring month in Sphinx, Montana, with average temperature varying between 40.1°F (4.5°C) and 22.1°F (-5.5°C). In Sphinx, the average high-temperature marginally rises, from 32.9°F (0.5°C) in March, to a still cold 40.1°F (4.5°C). Weather in April »

May, the last month of the spring, in Sphinx, is a cool month, with average temperature varying between 52°F (11.1°C) and 30.6°F (-0.8°C). In Sphinx, the average high-temperature rises, from a wintry 40.1°F (4.5°C) in April, to a cool 52°F (11.1°C). Weather in May »

The first month of the summer, June, is an enjoyable month in Sphinx, Montana, with average temperature fluctuating between 38.5°F (3.6°C) and 64°F (17.8°C). In Sphinx, the average high-temperature in June increases, from a cool 52°F (11.1°C) in May, to a comfortable 64°F (17.8°C). Weather in June »

July is a moderately hot summer month in Sphinx, Montana, with average temperature varying between 44.6°F (7°C) and 74.8°F (23.8°C). With an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 44.6°F (7°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Sphinx, is also an agreeable month, with average temperature fluctuating between 72.7°F (22.6°C) and 45.1°F (7.3°C). In Sphinx, the average high-temperature in August is almost the same as in July - an agreeable 72.7°F (22.6°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Sphinx, Montana, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 39.6°F (4.2°C). In September, the average high-temperature drops, from a pleasant 72.7°F (22.6°C) in August, to a comfortable 63.5°F (17.5°C). Weather in September »

October, the same as September, in Sphinx, Montana, is a frosty autumn month, with average temperature ranging between min 27.5°F (-2.5°C) and max 45.5°F (7.5°C). In Sphinx, the average high-temperature in October plummets, from an enjoyable 63.5°F (17.5°C) in September, to a chilly 45.5°F (7.5°C). Weather in October »

The last month of the autumn, November, is another cold month in Sphinx, Montana, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 32.2°F (0.1°C). In November, the average high-temperature decreases, from a chilly 45.5°F (7.5°C) in October, to a cold 32.2°F (0.1°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Sphinx, Montana, with average temperature ranging between max 22.5°F (-5.3°C) and min 7.9°F (-13.4°C). With an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 7.9°F (-13.4°C), December is the coldest month. Weather in December »

What is the most humid month in Sphinx?

Months with the highest humidity in Sphinx, Montana, are January and February, with an average relative humidity of 90%.

How much does it rain in Sphinx?

Throughout the year, there are 116.1 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

When does it snow in Sphinx?

Months with snowfall are January through December.

How much does it snow in Sphinx?

In Sphinx, Montana, during the entire year, snow falls for 151.6 days, and aggregates up to 124.06" (3151mm) of snow.

What is the month with the least sunshine in Sphinx?

With an average of 4.7h of sunshine, January has the least sunshine of the year in Sphinx, Montana.

When is the lowest UV index in Sphinx?

Months with the lowest UV index are January and February, with an average maximum UV index of 1.

What is the wettest month in Sphinx?

The wettest months are April and May, with an average 2.91" (74mm) of rainfall.

What is the snowiest month in Sphinx?

The month with the most snowfall in Sphinx is April when snow falls for 20.5 days and typically aggregates up to 19.88" (505mm) of snow.

When are the longest days in Sphinx?

June has the longest days of the year in Sphinx, Montana, with an average of 15.6h of daylight.

What is the warmest month in Sphinx?

With an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 44.6°F (7°C), July is the warmest month.

What is the driest month in Sphinx?

The month with the least rainfall in Sphinx, Montana, is July when the rain falls for 12.5 days and typically collects 1.18" (30mm) of precipitation.

What month has the most sunshine in Sphinx?

July has the most sunshine of the year in Sphinx, Montana, with an average of 11.7h of sunshine.

When is the highest UV index in Sphinx?

With an average maximum UV index of 5, July is the month with the highest UV index.

What is the least humid month in Sphinx?

With an average relative humidity of 51%, August is the least humid month in Sphinx.

When it does not snow in Sphinx?

August is the month with the least snowfall. Snow falls for 0.3 days and accumulates 0.08" (2mm) of snow.

What is the coldest month in Sphinx?

December is the coldest month in Sphinx, with an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 7.9°F (-13.4°C).

What is the month with the shortest days in Sphinx?

December has the shortest days of the year, with an average of 8.8h of daylight.
Average temperature - Sphinx, MT
Average pressure - Sphinx, MT

The month with the highest atmospheric pressure is January (30.22").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed - Sphinx, MT

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity - Sphinx, MT
Average rainfall - Sphinx, MT

The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").

Average rainfall days - Sphinx, MT

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).

Average snowfall - Sphinx, MT
Average snowfall days - Sphinx, MT

The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).

Average daylight / Average sunshine - Sphinx, 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: 11.7h).
The month with the least sunshine is January (Average sunshine: 4.7h).

Average sunshine days - Sphinx, MT
Average visibility - Sphinx, MT

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).