Climate and monthly weather forecastMonarch, MT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Monarch, Montana, with temperature in the range of an average low of 14°F (-10°C) and an average high of 26.6°F (-3°C). Monarch marks the onset of January with an average high-temperature of a still subzero cold 26.6°F (-3°C), subtly divergent from December's 24.3°F (-4.3°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Monarch, Montana, with an average temperature fluctuating between 25.5°F (-3.6°C) and 12°F (-11.1°C). Monarch's weather in February, with an average high-temperature of a still subzero cold 25.5°F (-3.6°C), subtly shifts from January's 26.6°F (-3°C). Weather in February »Weather in March
March, the first month of the spring in Monarch, is an icy month, with an average temperature fluctuating between 20.1°F (-6.6°C) and 35.2°F (1.8°C). The shift into March is marked by a rise in the average high-temperature, moving from February's subzero cold 25.5°F (-3.6°C) to a cold 35.2°F (1.8°C). Weather in March »Weather in April
April, the same as March, is a wintry spring month in Monarch, Montana, with an average temperature fluctuating between 25.9°F (-3.4°C) and 42.1°F (5.6°C). The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a cold 35.2°F (1.8°C) in March to a still wintry 42.1°F (5.6°C). Weather in April »Weather in May
May, the last month of the spring in Monarch, is a fresh month, with an average temperature varying between 53.2°F (11.8°C) and 34.2°F (1.2°C). An escalation in the average high-temperature is seen with the onset of May, moving from a wintry 42.1°F (5.6°C) in April to a cool 53.2°F (11.8°C). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Monarch, Montana, with an average temperature ranging between min 41.5°F (5.3°C) and max 63.1°F (17.3°C). June brings a temperature increase, with average high-temperatures moving from May's cool 53.2°F (11.8°C) to an enjoyable 63.1°F (17.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Monarch, Montana, with an average temperature varying between 48.2°F (9°C) and 73.9°F (23.3°C). Monarch's warmest weather arrives in July, when temperatures average a high of 73.9°F (23.3°C) and a low of 48.2°F (9°C). Weather in July »Weather in August
August, the last month of the summer in Monarch, is also an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 48.2°F (9°C). As Monarch, Montana, transitions from July to August, the average high-temperatures adjust to an agreeable 72.1°F (22.3°C), nearly the same as the previous 73.9°F (23.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Monarch, Montana, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 41.5°F (5.3°C). With the onset of September, Monarch experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 72.1°F (22.3°C) in August to an enjoyable 62.8°F (17.1°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Monarch, Montana, with an average temperature varying between 46.4°F (8°C) and 29.8°F (-1.2°C). With the onset of October, Monarch's average high-temperature experiences a noticeable drop, receding from September's comfortable 62.8°F (17.1°C) to a chilly 46.4°F (8°C). Weather in October »Weather in November
November, the last month of the autumn in Monarch, is another cold month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 33.4°F (0.8°C). As October transitions into November, Monarch sees a drop in the average high-temperature, transitioning from a chilly 46.4°F (8°C) to a cold 33.4°F (0.8°C). Weather in November »Weather in December
December, the first month of the winter in Monarch, is still a freezing cold month, with an average temperature varying between 24.3°F (-4.3°C) and 11.7°F (-11.3°C). Monarch, Montana, experiences its lowest temperatures in December, with an average peak of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C). Weather in December »Updated: Jul 23, 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
Throughout the year, there are 138.1 rainfall days, and 28.58" (726mm) of precipitation is accumulated.
January through June, August through December are months with snowfall.
In Monarch, during the entire year, snow falls for 137.4 days and aggregates up to 110.08" (2796mm) of snow.
The months with the lowest UV index are January and February, with an average maximum UV index of 1.
February is the most humid month, with an average relative humidity of 87%.
With an average of 4.8h of sunshine, February has the least sunshine of the year.
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.
The month with the most snowfall is April, when snow falls for 18.8 days and typically aggregates up to 19.29" (490mm) of snow.
May is the month with the most rainfall. Rain falls for 20.2 days and accumulates 4.69" (119mm) of precipitation.
The month with the longest days is June, with an average of 15h and 48min of daylight.
July proves to be the warmest month, recording an average peak temperature of 73.9°F (23.3°C) and a minimum temperature of 48.2°F (9°C).
July is the only month when snow does not fall.
The month with the most sunshine is July, with an average of 11.5h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 5.
The least humid month is August, with an average relative humidity of 53%.
The lowest temperatures in Monarch are recorded in December, with averages reaching a high of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C).
December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 1.26" (32mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 36min of daylight.
Average temperature
Monarch, MT
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (24.3°F).
The months with the highest average low temperature are July and August (48.2°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).
Average pressure
Monarch, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Monarch, MT
- Average wind speed in January:
9.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.8mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Monarch, MT
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (53%).
Average rainfall
Monarch, MT
- Average rainfall in January:
1.46" - Average rainfall in February:
1.97" - Average rainfall in March:
2.05" - Average rainfall in April:
3.58" - Average rainfall in May:
4.69" - Average rainfall in June:
4.09"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.93" - Average rainfall in September:
1.73" - Average rainfall in October:
2.01" - Average rainfall in November:
1.69" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days
Monarch, MT
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
20.9 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall
Monarch, MT
- Average snowfall in January:
11.22" - Average snowfall in February:
15.08" - Average snowfall in March:
14.45" - Average snowfall in April:
19.29" - Average snowfall in May:
11.1" - Average snowfall in June:
1.42"
The month with the highest snowfall is April (19.29").
The month with the least snowfall is July (0").
Average snowfall days
Monarch, MT
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
20 days - Average snowfall days in March:
20.3 days - Average snowfall days in April:
18.8 days - Average snowfall days in May:
10.3 days - Average snowfall days in June:
2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
2.7 days - Average snowfall days in October:
12.3 days - Average snowfall days in November:
14.5 days - Average snowfall days in December:
17.9 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight / Average sunshine
Monarch, MT
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- 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 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Monarch, MT
- Average sunshine days in January:
12.5 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
7.2 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
4.7 days - Average sunshine days in June:
6.7 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
12.3 days - Average sunshine days in November:
13.3 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is May (4.7 days).
Average UV index
Monarch, 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
Monarch, MT
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
Monarch, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is February (4mi).
