Climate and monthly weather forecastBoyd, MT
Climate and monthly weather forecast
Weather in January
January is a wintry winter month in Boyd, Montana, with an average temperature varying between 18.7°F (-7.4°C) and 32°F (0°C). Boyd, Montana, experiences a subtle adjustment in high-temperatures to an icy 32°F (0°C) with the onset of January, maintaining near parity with December's 30.7°F (-0.7°C). Weather in January »Weather in February
February, the last month of the winter in Boyd, is also an icy month, with an average temperature ranging between max 32.4°F (0.2°C) and min 16.7°F (-8.5°C). The advent of February denotes an average high-temperature of a still icy 32.4°F (0.2°C), subtly different from January's 32°F (0°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Boyd, Montana, with an average temperature fluctuating between 27.5°F (-2.5°C) and 43.5°F (6.4°C). The start of March signals an increase in the average high-temperature, moving from a cold 32.4°F (0.2°C) in February to a frosty 43.5°F (6.4°C). Weather in March »Weather in April
April in Boyd, Montana, is a fresh spring month, with an average temperature ranging between max 51.3°F (10.7°C) and min 33.3°F (0.7°C). As Boyd enters April, the average high-temperature marginally increases from the a chilly 43.5°F (6.4°C) of March to a cool 51.3°F (10.7°C). Weather in April »Weather in May
May, the last month of the spring in Boyd, is a refreshing month, with an average temperature fluctuating between 41.4°F (5.2°C) and 61°F (16.1°C). Boyd's transition into May is marked by a temperature shift, moving from a fresh 51.3°F (10.7°C) in April to a refreshing 61°F (16.1°C). Weather in May »Weather in June
June, the first month of the summer in Boyd, is a pleasant month, with an average temperature fluctuating between 49.6°F (9.8°C) and 72.7°F (22.6°C). June's arrival coincides with a rise in the average high-temperature, moving from May's enjoyable 61°F (16.1°C) to an agreeable 72.7°F (22.6°C). Weather in June »Weather in July
July in Boyd, Montana, is a warm summer month, with an average temperature fluctuating between 57.2°F (14°C) and 82.9°F (28.3°C). With average high temperatures of 82.9°F (28.3°C) and lows of 57.2°F (14°C), July is the warmest month. During July, the heat index is calculated to be 82.4°F (28°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Boyd, Montana, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 57.2°F (14°C). August's arrival brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), demonstrating subtle variation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Boyd, Montana, with an average temperature ranging between max 72°F (22.2°C) and min 50.2°F (10.1°C). Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 81.1°F (27.3°C) to a pleasant 72°F (22.2°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Boyd, Montana, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 37.9°F (3.3°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from an agreeable 72°F (22.2°C) to a cool 55.2°F (12.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Boyd, Montana, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 26.8°F (-2.9°C). The shift from October to November involves a decrease in the average high-temperature, from a fresh 55.2°F (12.9°C) to a wintry 41.9°F (5.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Boyd, Montana, with an average temperature fluctuating between 30.7°F (-0.7°C) and 17.4°F (-8.1°C). Boyd's coldest month, December, registers temperatures that range from a high of 30.7°F (-0.7°C) to a low of 17.4°F (-8.1°C). Weather in December »Updated: Feb 13, 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
With an average relative humidity of 76%, January is the most humid month in Boyd, Montana.
January is the month with the least rainfall in Boyd, Montana. Rain falls for 6 days and accumulates 0.51" (13mm) of precipitation.
In Boyd, Montana, during the entire year, the rain falls for 108.1 days and collects up to 12.83" (326mm) of precipitation.
Months with snowfall in Boyd, Montana, are January through June, September through December.
Throughout the year, in Boyd, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 10.8 days and typically aggregates up to 6.81" (173mm) of snow.
With an average of 6.2h of sunshine, February has the least sunshine of the year.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Boyd, 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 in Boyd is May, when the rain falls for 16.3 days and typically aggregates up to 2.09" (53mm) of precipitation.
With an average of 15h and 36min of daylight, June has the longest days of the year in Boyd.
July, with an average high of 82.9°F (28.3°C) and a low of 57.2°F (14°C), signifies the warmest month of the year.
July and August are months without snowfall in Boyd, Montana.
The month with the most sunshine in Boyd, Montana, is July, with an average of 11.9h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 6.
With an average relative humidity of 41%, August is the least humid month in Boyd.
December, with its average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 17.4°F (-8.1°C), holds the record as the coldest month in Boyd.
December has the shortest days of the year in Boyd, with an average of 8h and 48min of daylight.
Average temperature
Boyd, MT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).
The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure
Boyd, MT
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Boyd, MT
- Average wind speed in January:
8.7mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.9mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Boyd, MT
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall
Boyd, MT
- Average rainfall in January:
0.51" - Average rainfall in February:
0.87" - Average rainfall in March:
1.1" - Average rainfall in April:
1.73" - Average rainfall in May:
2.09" - Average rainfall in June:
1.61"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.75" - Average rainfall in September:
0.79" - Average rainfall in October:
1.1" - Average rainfall in November:
0.83" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Boyd, MT
- Average rainfall days in January:
6 days - Average rainfall days in February:
4 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
9.4 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
6.9 days - Average rainfall days in October:
8 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).
Average snowfall
Boyd, MT
- Average snowfall in January:
3.58" - Average snowfall in February:
6.81" - Average snowfall in March:
5.91" - Average snowfall in April:
6.18" - Average snowfall in May:
2.83" - Average snowfall in June:
0.12"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days
Boyd, MT
- Average snowfall days in January:
9.9 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
6.6 days - Average snowfall days in May:
2.4 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.8 days - Average snowfall days in October:
4.6 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Boyd, 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 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - 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:
6h and 24min - Average sunshine in February:
6h and 12min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 36min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days
Boyd, MT
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Boyd, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Boyd, MT
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Boyd, 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).
