Climate and monthly weather forecastMiles City, MT
Climate and monthly weather forecast
The climate of Miles City
Miles City, located in Montana, USA, demonstrates a mid-latitude steppe climate, per the Köppen climate classification of BSk. This classification signifies that Miles City experiences a semi-arid climate, with distinct seasons, mild to chilly winters, and warm to hot summers.The year in Miles City brings great variations in weather elements, from fluctuating temperatures to shifting humidity levels and precipitation patterns. Temperatures can go as low as 15.1°F (-9.4°C) in January and as high as 86.7°F (30.4°C) in July, exemplifying the wide range. Humidity also varies, with January and December experiencing the highest relative humidity at around 83% and 78%, while July registers the lowest at 41%.
Rainfall is more considerable during the spring than in the drier seasons of summer and winter, reaching a peak of 1.1" (28mm) in May. In contrast, there is hardly any rainfall from November to February with only 0.28" (7mm) recorded. However, these months do see the most snowfall, with January and December reaching up to 1.97" (50mm) and 1.5" (38mm), respectively.
Wind speeds can reach up to 18.5mph (29.8km/h) in January, making it the windiest month of the year, while the quietest month, in terms of wind, is August, with gust speeds averaging around 13.7mph (22km/h). On the other hand, the sunniest period falls between July and August, where sunshine hours average about 11.8 hours, opposed to the winter months witnessing only five hours of sunshine.
Interestingly, despite the arid classification, Miles City sees a considerable number of snowy days, reaching up to 10.1 days in January. Meanwhile, it experiences the highest number of rainy days in May totaling 11.3 days.
The best time to visit Miles City
Planning visits to Miles City could depend on individual preferences for weather conditions. However, the prime months that stand out for favorable weather align from June to September. During this period, temperatures are comfortably warm, with highs from 74.3°F (23.5°C) to 86.7°F (30.4°C) and lows from 56.3°F (13.5°C) to 65.8°F (18.8°C). These months also feature an increased number of sunshine hours ranging from around 10.5 hours to around 11.8 hours. Relative humidity during this period is recorded as being the lowest of the year, making the air less heavy and more comfortable for outdoor activities.The worst time to visit Miles City
Miles City experiences its harshest conditions during winter, specifically from December to February. These months record the lowest temperatures of the year, plummeting to as low as 15.1°F (-9.4°C) in January with highs barely reaching 29.7°F (-1.3°C) in February. The days yield minimal sunshine, averaging 5.1 hours in December and January. Snow is frequent during these months, with the city seeing up to 10.1 snowy days in January.Spring weather in Miles City
Miles City enters spring in March with a modest rise in temperature, moving from 44.2°F (6.8°C) to 66.6°F (19.2°C) by May. During this period, the city sees an increase in rainfall, peaking to 1.1" (28mm) in May, with a corresponding rise in the number of rainy days, reaching 11.3 days in the same month. Wind conditions also intensify, with March showing an average speed of 9.7mph (15.6km/h), which spikes to 11.2mph (18km/h) in April.Summer weather in Miles City
June greets the arrival of summer in Miles City, with thermometers ranging from 77.5°F (25.3°C) to 86.7°F (30.4°C) throughout the season. There is a significant decrease in rainfall from 0.87" (22mm) in June to 0.63" (16mm) in August. These months also boast the maximum daylight hours, peaking at 15.8 hours in June, accompanied by ample sunshine hours from 10 hours to 11.8 hours, providing perfect conditions for outdoor adventures.Autumn weather in Miles City
Autumn, spanning from September to November, ushers in cooler temperatures, descending from 74.3°F (23.5°C) in September to 42.3°F (5.7°C) by November. However, the sunshine hours gradually reduce from 10.5 hours to 6.1 hours during the same period. With precipitation also dropping from 0.51" (13mm) to 0.28" (7mm), autumn in Miles City bears witness to reasonably dry conditions despite the bite in the air.Winter weather in Miles City
Winter in Miles City settles in December with plummeting temperatures, registering lows from 16.3°F (-8.7°C) to 15.1°F (-9.4°C), and highs hardly rising past 28.9°F (-1.7°C) in December. It also sees scarce sunshine, around 5.1 hours during the months of December and January. Moreover, snowfall surges, peaking at 1.97" (50mm) in January, while relative humidity levels skyrocket to 83% in the same month, adding to the frosty atmosphere.Weather in January
The weather in Miles City, Montana in January is characterized by some of the coldest temperatures of the year, with low temperatures averaging 15.1°F (-9.4°C), and high temperatures averaging 28.8°F (-1.8°C). January is the month with the highest average relative humidity, which combined with the cold temperatures can make the air feel chillier than it is. Weather in January »Weather in February
While cold weather persists in Miles City, Montana in February, the month is slightly milder than January. The city continues to see snowfall, though it is not as frequent as in the previous month. An increase in the number of daylight hours is starting to be noticeable during February. Weather in February »Weather in March
March in Miles City, Montana sees a departure from the harsh winter, with average high temperatures rising to 44.2°F (6.8°C). The frequency of snowfall drops drastically from the winter months, making way for more rainfall. As spring pushes winter out of the way, the number of daylight hours continues to mount significantly. Weather in March »Weather in April
April witnesses a significant shift in the weather at Miles City, Montana with the city fully embracing the spring season. The temperatures, both maximum and minimum, are noticeably higher than the past months. Moreover, with an average rainfall of 0.91" (23mm), this month has the traits of a typical spring month: moderately warm with occasional showers. Weather in April »Weather in May
May in Miles City, Montana, spells the definitive beginning of warmer weather, with temperatures continuing to rise. The hallmark of this month is arguably the considerable decrease in cloud coverage when compared to the earlier months, resulting in more sunshine. Weather in May »Weather in June
June brings summertime to Miles City, Montana, marked by some of the hottest temperatures of the year. While the temperatures rise, the relative humidity sees a gradual decrease, offering relatively dry heat. The month also records an average of 11.3 sunshine hours per day, making it one of the sunniest months of the year. Weather in June »Weather in July
July, the hottest month in Miles City, Montana, sees the average high temperature touch 86.7°F (30.4°C). Even though the surrounding temperatures are high, it is a relatively dry month, considering the decrease in relative humidity and rainfall. Weather in July »Weather in August
While Miles City, Montana remains quite warm during August, the average high temperature decreases slightly from the peaks experienced in July. The decrease in daylight hours becomes more noticeable, as the month progresses towards autumn. Weather in August »Weather in September
September brings the onset of autumn to Miles City, Montana, translating into a clear drop in temperatures from the hot summer months. With an average high temperature of 74.3°F (23.5°C), the difference from the summer heat is quite noticeable. Weather in September »Weather in October
October in Miles City, Montana is characterized by the full effect of fall, with temperatures dropping notably from September. The sunlight hours see a significant decrease, and cloud coverage increases more than the previous month. Weather in October »Weather in November
The weather in Miles City, Montana undergoes a clear transition towards winter in November. Chills become more apparent, with the average high temperature dropping to 42.3°F (5.7°C), a significant decrease from October. November also sees a return of snowfall after the long snow-free period since April. Weather in November »Weather in December
December marks the arrival of full-fledged winter in Miles City, Montana. The month is distinguished by cold temperatures, comparable to those in January. Along with the dip in the mercury, this month also holds the record for the shortest daylight hours of the year. Weather in December »Updated: Jun 6, 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 is Miles City's coldest month, registering average high temperatures of 28.8°F (-1.8°C) and lows of 15.1°F (-9.4°C).
The most humid month is January, with an average relative humidity of 83%.
In Miles City, during the entire year, the rain falls for 83.1 days and collects up to 6.81" (173mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 43.4 snowfall days, and 9.13" (232mm) of snow is accumulated.
January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 9.2 days and typically aggregates up to 2.2" (56mm) of snow.
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 rainfall is May, when the rain falls for 11.3 days and typically aggregates up to 1.1" (28mm) of precipitation.
In Miles City, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 42min of daylight.
The warmest month is July, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.8°F (18.8°C).
The month with the most sunshine is July, with an average of 11.8h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 7.
With an average relative humidity of 39%, August is the least humid month.
The months with the least rainfall are November and December Rain falls for 4.2 days and accumulates 0.28" (7mm) of rain.
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Miles City, MT
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Miles City, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Miles City, MT
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.7mph - Average wind speed in April:
11.2mph - Average wind speed in May:
10.6mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.5mph - Average wind speed in August:
9.3mph - Average wind speed in September:
9.8mph - Average wind speed in October:
10.5mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are February and August (9.3mph).
Average humidity
Miles City, MT
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Miles City, MT
- Average rainfall in January:
0.31" - Average rainfall in February:
0.35" - Average rainfall in March:
0.39" - Average rainfall in April:
0.91" - Average rainfall in May:
1.1" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.63" - Average rainfall in September:
0.51" - Average rainfall in October:
0.39" - Average rainfall in November:
0.28" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are November and December (0.28").
Average rainfall days
Miles City, MT
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
9.4 days - Average rainfall days in August:
8.3 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
6 days - Average rainfall days in November:
4.2 days - Average rainfall days in December:
2.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is December (2.6 days).
Average snowfall
Miles City, MT
- Average snowfall in January:
1.97" - Average snowfall in February:
2.2" - Average snowfall in March:
1.18" - Average snowfall in April:
0.83" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Miles City, MT
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.3 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:
4.7 days - Average snowfall days in December:
9.2 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Miles City, MT
- Average daylight in January:
9h and 6min - 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:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - 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 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
5h and 6min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 30min - Average sunshine in October:
6h and 24min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days
Miles City, MT
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
18.4 days
- Average sunshine days in July:
18.1 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
22 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is April (16.5 days).
Average UV index
Miles City, 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
Miles City, MT
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility
Miles City, 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).
