Climate and monthly weather forecastSphinx, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sphinx, Montana, is a freezing cold winter month, with an average temperature varying between 9.9°F (-12.3°C) and 25°F (-3.9°C). On the advent of January, Sphinx's average high-temperature exhibits a minor adjustment to a still freezing cold 25°F (-3.9°C) from December's 22.5°F (-5.3°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Sphinx, Montana, with an average temperature varying between 9.5°F (-12.5°C) and 25.2°F (-3.8°C). February's arrival brings an average high-temperature of a still freezing cold 25.2°F (-3.8°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Sphinx, is an icy month, with an average temperature varying between 17.6°F (-8°C) and 32.9°F (0.5°C). As Sphinx welcomes March, the average high-temperature sees a modest rise, transitioning from a freezing cold 25.2°F (-3.8°C) in February to an icy 32.9°F (0.5°C). Weather in March »Weather in April
April, like March, in Sphinx, Montana, is an icy spring month, with an average temperature fluctuating between 40.1°F (4.5°C) and 22.1°F (-5.5°C). April witnesses a minor rise in the average high-temperature, transitioning from an icy 32.9°F (0.5°C) in March to a still cold 40.1°F (4.5°C). Weather in April »Weather in May
The last month of the spring, May, is a cool month in Sphinx, Montana, with an average temperature varying between 52°F (11.1°C) and 30.6°F (-0.8°C). With the beginning of May, Sphinx's average high-temperature sees an increase, transitioning from a cold 40.1°F (4.5°C) in April to a fresh 52°F (11.1°C). Weather in May »Weather in June
June, the first month of the summer in Sphinx, is a comfortable month, with an average temperature ranging between min 38.5°F (3.6°C) and max 64°F (17.8°C). With the onset of June, Sphinx sees a temperature rise, with the average high-temperature moving from May's fresh 52°F (11.1°C) to an enjoyable 64°F (17.8°C). Weather in June »Weather in July
July in Sphinx, Montana, is a warm summer month, with an average temperature fluctuating between 44.6°F (7°C) and 74.8°F (23.8°C). In Sphinx, the highest average temperatures are observed in July, with a high of 74.8°F (23.8°C) and a low of 44.6°F (7°C). Weather in July »Weather in August
August, the last month of the summer in Sphinx, is another pleasant month, with an average temperature varying between 72.7°F (22.6°C) and 45.1°F (7.3°C). Sphinx marks the onset of August with an average high-temperature of a pleasant 72.7°F (22.6°C), a subtle shift from July's 74.8°F (23.8°C). Weather in August »Weather in September
September, the first month of the autumn in Sphinx, is still a comfortable month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 63.5°F (17.5°C). Sphinx's September weather shows a moderate shift in high-temperatures, falling from August's agreeable 72.7°F (22.6°C) to an enjoyable 63.5°F (17.5°C). Weather in September »Weather in October
October, the same as September, in Sphinx, Montana, is a frosty autumn month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 45.5°F (7.5°C). As October begins, there is a noticeable decrease in the average high-temperature, falling from an enjoyable 63.5°F (17.5°C) in September to a frosty 45.5°F (7.5°C). Weather in October »Weather in November
November, the last month of the autumn in Sphinx, is another cold month, 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). November's arrival correlates with a reduction in the average high-temperature, down from a chilly 45.5°F (7.5°C) in October to a wintry 32.2°F (0.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Sphinx, Montana, with an average temperature fluctuating between 22.5°F (-5.3°C) and 7.9°F (-13.4°C). The month of December sees the lowest average temperatures, reaching 22.5°F (-5.3°C) at the peak and 7.9°F (-13.4°C) at the low. Weather in December »Updated: Aug 9, 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 and February, with an average relative humidity of 90%, are most humid months.
In Sphinx, during the entire year, the rain falls for 116.1 days and collects up to 23.5" (597mm) of precipitation.
January through December are months with snowfall.
In Sphinx, during the entire year, snow falls for 151.6 days and aggregates up to 124.06" (3151mm) of snow.
January has the least sunshine of the year, with an average of 4.7h of sunshine.
The months with the lowest UV index are January and February, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sphinx, 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 months with the most rainfall are April and May, with an average 2.91" (74mm) of precipitation.
The month with the most snowfall is April, when snow falls for 20.5 days and typically aggregates up to 19.88" (505mm) of snow.
With an average of 15h and 36min of daylight, June has the longest days of the year.
The month of July sees the average highest temperatures, reaching 74.8°F (23.8°C) at the peak and 44.6°F (7°C) at the low.
The month with the least rainfall is July, when the rain falls for 12.5 days and typically collects 1.18" (30mm) of precipitation.
With an average of 11.7h of sunshine, July has the most sunshine of the year.
With an average maximum UV index of 5, July is the month with the highest UV index.
With an average relative humidity of 51%, August is the least humid month.
The month with the least snowfall is August, when snow falls for 0.3 days and typically aggregates up to 0.08" (2mm) of snow.
Sphinx experiences its average lowest temperatures in December, reaching a peak of 22.5°F (-5.3°C) and a minimum of 7.9°F (-13.4°C).
December has the shortest days of the year in Sphinx, with an average of 8h and 48min of daylight.
Average temperature
Sphinx, MT
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (7.9°F).
Average pressure
Sphinx, MT
- Average pressure in January:
30.22"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.21"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Sphinx, MT
- Average wind speed in January:
7.1mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.3mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
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
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).
Average rainfall
Sphinx, MT
- Average rainfall in January:
1.54" - Average rainfall in February:
2.01" - Average rainfall in March:
1.97" - Average rainfall in April:
2.91" - Average rainfall in May:
2.91" - Average rainfall in June:
2.68"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.42" - Average rainfall in September:
1.81" - Average rainfall in October:
2.01" - Average rainfall in November:
1.73" - Average rainfall in December:
1.34"
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
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
8 days - Average rainfall days in April:
9.6 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
5 days - Average rainfall days in December:
6.3 days
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 in January:
12.72" - Average snowfall in February:
16.93" - Average snowfall in March:
15.63" - Average snowfall in April:
19.88" - Average snowfall in May:
10.16" - Average snowfall in June:
5.28"
- Average snowfall in July:
0.35" - Average snowfall in August:
0.08" - Average snowfall in September:
5.04" - Average snowfall in October:
12.44" - Average snowfall in November:
14.45" - Average snowfall in December:
11.1"
The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").
Average snowfall days
Sphinx, MT
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
19.3 days - Average snowfall days in March:
21 days - Average snowfall days in April:
20.5 days - Average snowfall days in May:
13.5 days - Average snowfall days in June:
4.4 days
- Average snowfall days in July:
0.7 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
3.6 days - Average snowfall days in October:
13.8 days - Average snowfall days in November:
16.5 days - Average snowfall days in December:
19.1 days
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
- 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 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - 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:
4h and 42min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 36min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 48min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h 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: 4h and 42min).
Average sunshine days
Sphinx, MT
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
6.6 days - Average sunshine days in May:
5.7 days - Average sunshine days in June:
9.5 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).
Average UV index
Sphinx, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Sphinx, MT
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility
Sphinx, MT
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
