Climate and monthly weather forecastOtter, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Otter, Montana, is another subzero cold winter month, with an average temperature varying between 31.8°F (-0.1°C) and 16.2°F (-8.8°C). The shift into January reveals an average high-temperature of a still subzero cold 31.8°F (-0.1°C), closely mirroring December's climate. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Otter, Montana, with an average temperature ranging between max 31.6°F (-0.2°C) and min 16.2°F (-8.8°C). The beginning of February reveals an average high-temperature of a still freezing cold 31.6°F (-0.2°C), showing minimal deviation from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Otter, Montana, with an average temperature varying between 45°F (7.2°C) and 28.2°F (-2.1°C). A rise in the average high-temperature is observed during March, moving from a freezing cold 31.6°F (-0.2°C) in February to a chilly 45°F (7.2°C). Weather in March »Weather in April
April is a fresh spring month in Otter, Montana, with an average temperature fluctuating between 53.1°F (11.7°C) and 34.2°F (1.2°C). A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a frosty 45°F (7.2°C) in March to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in Otter, is a comfortable month, with an average temperature fluctuating between 43.5°F (6.4°C) and 63.7°F (17.6°C). The shift into May is marked by a rise in the average high-temperature, moving from April's fresh 53.1°F (11.7°C) to an enjoyable 63.7°F (17.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Otter, Montana, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 52.9°F (11.6°C). June marks a rise in the average high-temperature, moving from May's enjoyable 63.7°F (17.6°C) to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, like June, in Otter, Montana, is another warm summer month, with an average temperature varying between 85.5°F (29.7°C) and 61.5°F (16.4°C). Temperature records mark July as the warmest month, with highs averaging 85.5°F (29.7°C) and lows at 61.5°F (16.4°C). July's mean heat index is estimated at a tropical 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Otter, is also a moderately hot month, with an average temperature ranging between min 60.4°F (15.8°C) and max 83.7°F (28.7°C). The advent of August brings an average high-temperature of a still warm 83.7°F (28.7°C), exhibiting minor difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Otter, Montana, with an average temperature fluctuating between 74.1°F (23.4°C) and 52.7°F (11.5°C). Otter's transition into September involves a shift in temperature, receding from 83.7°F (28.7°C) in August to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Otter, Montana, with an average temperature ranging between min 39°F (3.9°C) and max 56.8°F (13.8°C). October marks a distinct drop in the average high-temperature, descending from September's warm 74.1°F (23.4°C) to a moderate 56.8°F (13.8°C). Weather in October »Weather in November
November, the last month of the autumn in Otter, is also a frosty month, with an average temperature fluctuating between 43.3°F (6.3°C) and 27.1°F (-2.7°C). The shift to November brings a decrease in the average high-temperature, falling from a moderate 56.8°F (13.8°C) in October to a chilly 43.3°F (6.3°C). Weather in November »Weather in December
December, the first month of the winter in Otter, is also a subzero cold month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 31.1°F (-0.5°C). December, having an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 16.7°F (-8.5°C), is the coldest month. 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
January and February, with an average relative humidity of 79%, are most humid months.
In Otter, Montana, during the entire year, the rain falls for 127.6 days and collects up to 14.25" (362mm) of precipitation.
Months with snowfall in Otter are January through May, September through December.
Throughout the year, there are 65.3 snowfall days, and 28.82" (732mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 14.3 days and accumulates 5.2" (132mm) of snow.
The month with the least sunshine in Otter is February, with an average of 5.7h of sunshine.
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 18 days and typically aggregates up to 2.64" (67mm) of precipitation.
June through August are months without snowfall in Otter, Montana.
With an average of 15h and 36min of daylight, June has the longest days of the year in Otter, Montana.
The warmest time of the year in Otter, Montana, is July, with temperatures averaging a high of 85.5°F (29.7°C) and a low of 61.5°F (16.4°C).
July and August, with an average of 11.9h of sunshine, are months with the most sunshine in Otter, Montana.
July is the month with the highest UV index in Otter, with an average maximum UV index of 7.
August is the least humid month in Otter, Montana, with an average relative humidity of 40%.
In Otter, December is the month with the lowest recorded average temperatures, measuring a high of 31.1°F (-0.5°C) and a low of 16.7°F (-8.5°C).
The month with the least rainfall in Otter, Montana, is December, when the rain falls for 6.8 days and typically collects 0.67" (17mm) of precipitation.
December has the shortest days of the year in Otter, with an average of 8h and 48min of daylight.
Average temperature
Otter, MT
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).
The month with the highest average low temperature is July (61.5°F).
The coldest months (with the lowest average low temperature) are January and February (16.2°F).
Average pressure
Otter, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"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
Otter, MT
- Average wind speed in January:
7.4mph - Average wind speed in February:
7mph - Average wind speed in March:
7.6mph - Average wind speed in April:
9.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
8.3mph - Average wind speed in November:
7mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and December (6.8mph).
Average humidity
Otter, MT
The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (40%).
Average rainfall
Otter, MT
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.14" - Average rainfall in April:
2.01" - Average rainfall in May:
2.64" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.1" - Average rainfall in September:
0.83" - Average rainfall in October:
0.94" - Average rainfall in November:
0.75" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days
Otter, MT
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
10.7 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Otter, MT
- Average snowfall in January:
4.45" - Average snowfall in February:
5.2" - Average snowfall in March:
4.29" - Average snowfall in April:
5.08" - Average snowfall in May:
0.87" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Otter, MT
- Average snowfall days in January:
12 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
9.5 days - Average snowfall days in April:
6.3 days - Average snowfall days in May:
1.3 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:
0.2 days - Average snowfall days in October:
2.8 days - Average snowfall days in November:
7.7 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Otter, 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 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - 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 6min - Average sunshine in February:
5h and 42min - Average sunshine in March:
8h and 6min - Average sunshine in April:
9h and 54min - 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 54min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 6min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days
Otter, MT
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
12 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is May (9.6 days).
Average UV index
Otter, 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
Otter, MT
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility
Otter, 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).
