Climate and monthly weather forecastIverness, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Iverness, Montana, is a freezing cold winter month, with an average temperature ranging between min 16.7°F (-8.5°C) and max 28.8°F (-1.8°C). January's weather records an average high-temperature of a still subzero cold 28.8°F (-1.8°C), showing little deviation from December. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Iverness, Montana, with an average temperature ranging between max 29.3°F (-1.5°C) and min 16.3°F (-8.7°C). Iverness, Montana, experiences a recorded average high-temperature of a still freezing cold 29.3°F (-1.5°C) in February, closely aligned with January's 28.8°F (-1.8°C). Weather in February »Weather in March
The first month of the spring, March, is an icy month in Iverness, Montana, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 26.6°F (-3°C). The commencement of March sees a shift in the average high-temperature, moving from a freezing cold 29.3°F (-1.5°C) in February to an icy 41.7°F (5.4°C). Weather in March »Weather in April
April in Iverness, Montana, is a fresh spring month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 53.1°F (11.7°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a wintry 41.7°F (5.4°C) to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in Iverness, is a comfortable month, with an average temperature varying between 63.1°F (17.3°C) and 45.1°F (7.3°C). May brings a rise in Iverness's average high-temperature, moving from a fresh 53.1°F (11.7°C) in April to a comfortable 63.1°F (17.3°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Iverness, Montana, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 52.2°F (11.2°C). June's onset witnesses a minor shift in the average high-temperature, moving from a refreshing 63.1°F (17.3°C) in May to a pleasant 72°F (22.2°C). Weather in June »Weather in July
July in Iverness, Montana, is a moderately hot summer month, with an average temperature fluctuating between 82°F (27.8°C) and 59.5°F (15.3°C). July is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 59.5°F (15.3°C). Throughout July, the heat index is calculated to be 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Iverness, is another warm month, with an average temperature fluctuating between 60.4°F (15.8°C) and 81.1°F (27.3°C). August brings an average high-temperature of a still warm 81.1°F (27.3°C), showing a slight difference from July's 82°F (27.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Iverness, Montana, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 52°F (11.1°C). A change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 81.1°F (27.3°C) to an agreeable 70.2°F (21.2°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Iverness, Montana, with an average temperature fluctuating between 38.3°F (3.5°C) and 54°F (12.2°C). With the onset of October, Iverness's weather experiences a distinct temperature drop, moving from a pleasant 70.2°F (21.2°C) in September to a fresh 54°F (12.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Iverness, Montana, with an average temperature fluctuating between 26.6°F (-3°C) and 39.9°F (4.4°C). Arrival of November comes with a reduction in the average high-temperature, falling from a fresh 54°F (12.2°C) in October to an icy 39.9°F (4.4°C). Weather in November »Weather in December
December, the first month of the winter in Iverness, is also a subzero cold month, with an average temperature varying between 28.2°F (-2.1°C) and 16.7°F (-8.5°C). The month of December sees the lowest average temperatures, reaching 28.2°F (-2.1°C) at the peak and 16.7°F (-8.5°C) at the low. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Iverness, MT
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure
Iverness, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Iverness, MT
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.9mph - Average wind speed in June:
9.7mph
- Average wind speed in July:
8.8mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Iverness, MT
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Iverness, MT
- Average rainfall in January:
0.63" - Average rainfall in February:
0.71" - Average rainfall in March:
0.71" - Average rainfall in April:
1.26" - Average rainfall in May:
1.73" - Average rainfall in June:
2.32"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.79" - Average rainfall in September:
0.98" - Average rainfall in October:
0.71" - Average rainfall in November:
0.71" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days
Iverness, MT
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
8.8 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).
Average snowfall
Iverness, MT
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Iverness, MT
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
12.1 days - Average snowfall days in March:
9.1 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
0.8 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:
0.5 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
12 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Iverness, 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:
5h and 18min - Average sunshine in February:
5h and 24min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 18min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 54min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days
Iverness, MT
- Average sunshine days in January:
17 days - Average sunshine days in February:
14 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
18.8 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
19.5 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).
Average UV index
Iverness, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Iverness, MT
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility
Iverness, 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).





