Climate and monthly weather forecastLake McDonald, MT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Lake McDonald, Montana, with an average temperature fluctuating between 14.4°F (-9.8°C) and 27.1°F (-2.7°C). January observes an average high-temperature of a still freezing cold 27.1°F (-2.7°C), marking an insignificant difference from December's 25.7°F (-3.5°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Lake McDonald, Montana, with an average temperature fluctuating between 13.5°F (-10.3°C) and 28.2°F (-2.1°C). The shift to February signals an average high-temperature of a still subzero cold 28.2°F (-2.1°C), subtly varied from January's 27.1°F (-2.7°C). Weather in February »Weather in March
March, the first month of the spring in Lake McDonald, is a cold month, with an average temperature varying between 21.6°F (-5.8°C) and 36.1°F (2.3°C). March's arrival coincides with a subtle temperature rise, moving from February's subzero cold 28.2°F (-2.1°C) to a cold 36.1°F (2.3°C). Weather in March »Weather in April
April in Lake McDonald, Montana, is a chilly spring month, with an average temperature varying between 46.6°F (8.1°C) and 28°F (-2.2°C). April marks a rise in the average high-temperature, moving from March's wintry 36.1°F (2.3°C) to a frosty 46.6°F (8.1°C). Weather in April »Weather in May
May, the last month of the spring in Lake McDonald, is a moderate month, with an average temperature fluctuating between 35.2°F (1.8°C) and 59.5°F (15.3°C). May indicates a change in the average high-temperature, moving up from a frosty 46.6°F (8.1°C) in April to a moderate 59.5°F (15.3°C). Weather in May »Weather in June
June, the first month of the summer in Lake McDonald, is a comfortable month, with an average temperature ranging between min 41.2°F (5.1°C) and max 66.4°F (19.1°C). A subtle rise in the average high-temperature is observed during June, adjusting from a mild 59.5°F (15.3°C) in May to an enjoyable 66.4°F (19.1°C). Weather in June »Weather in July
July in Lake McDonald, Montana, is a warm summer month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 77.9°F (25.5°C). In Lake McDonald, July is identified by the highest average temperatures, reaching a peak of 77.9°F (25.5°C) and a low of 45.1°F (7.3°C). Weather in July »Weather in August
August, the last month of the summer in Lake McDonald, is also a moderately hot month, with an average temperature fluctuating between 76.8°F (24.9°C) and 45.5°F (7.5°C). During August, the average high-temperature is a still warm 76.8°F (24.9°C), maintaining a close resemblance to that of the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Lake McDonald, Montana, with an average temperature ranging between max 65.5°F (18.6°C) and min 39.2°F (4°C). During Lake McDonald's transition into September, the average high-temperature lessens, moving from a warm 76.8°F (24.9°C) in August to a comfortable 65.5°F (18.6°C). Weather in September »Weather in October
October, the same as September, in Lake McDonald, Montana, is another chilly autumn month, with an average temperature ranging between max 48.4°F (9.1°C) and min 30.7°F (-0.7°C). Lake McDonald's transition into October is marked by a clear drop in the average high-temperature, receding from a comfortable 65.5°F (18.6°C) in September to a chilly 48.4°F (9.1°C). Weather in October »Weather in November
November, the last month of the autumn in Lake McDonald, is also an icy month, with an average temperature fluctuating between 23°F (-5°C) and 34.5°F (1.4°C). The start of November involves a temperature drop, moving from a chilly 48.4°F (9.1°C) in October to an icy 34.5°F (1.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Lake McDonald, Montana, with an average temperature fluctuating between 25.7°F (-3.5°C) and 13.8°F (-10.1°C). Lake McDonald's coldest month, December, registers temperatures that range from a high of 25.7°F (-3.5°C) to a low of 13.8°F (-10.1°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
January is the most humid month, with an average relative humidity of 93%.
Throughout the year, there are 126.4 rainfall days, and 11.22" (285mm) of precipitation is accumulated.
Months with snowfall are January through May, September through December.
January is the month with the most snowfall. Snow falls for 18.9 days and accumulates 7.72" (196mm) of snow.
Throughout the year, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.5h of sunshine.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lake McDonald, 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 June, when the rain falls for 13.7 days and typically aggregates up to 1.42" (36mm) of precipitation.
June through August are months without snowfall.
The month with the longest days is June, with an average of 16h and 6min of daylight.
July, characterized by an average high temperature of 77.9°F (25.5°C) and a low temperature of 45.1°F (7.3°C), is generally the warmest month.
July has the most sunshine of the year, with an average of 11.9h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
The least humid month is August, with an average relative humidity of 55%.
The month with the least rainfall is August, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.
Lake McDonald reaches its average lowest temperatures in December, measuring 25.7°F (-3.5°C) at the peak and 13.8°F (-10.1°C) at the lowest.
With an average of 8h and 24min of daylight, December has the shortest days of the year.
Average temperature
Lake McDonald, MT
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure
Lake McDonald, MT
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Lake McDonald, MT
- Average wind speed in January:
3.9mph - Average wind speed in February:
4mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.6mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.3mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity
Lake McDonald, MT
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Lake McDonald, MT
- Average rainfall in January:
1.02" - Average rainfall in February:
0.87" - Average rainfall in March:
1.14" - Average rainfall in April:
0.98" - Average rainfall in May:
1.1" - Average rainfall in June:
1.42"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.43" - Average rainfall in September:
0.71" - Average rainfall in October:
0.91" - Average rainfall in November:
1.14" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days
Lake McDonald, MT
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
6.9 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall
Lake McDonald, MT
- Average snowfall in January:
7.72" - Average snowfall in February:
6.26" - Average snowfall in March:
5.08" - Average snowfall in April:
2.09" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Lake McDonald, MT
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
17.3 days - Average snowfall days in March:
15.7 days - Average snowfall days in April:
7.4 days - Average snowfall days in May:
1.5 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:
0.3 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
13.2 days - Average snowfall days in December:
19.1 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Lake McDonald, MT
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 36min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 42min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Lake McDonald, MT
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
10 days - Average sunshine days in March:
7.7 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
21.5 days - Average sunshine days in August:
21.4 days - Average sunshine days in September:
19 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
11.6 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index
Lake McDonald, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Lake McDonald, MT
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Lake McDonald, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
