Dell
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dell, MT

January, like December, is another subzero cold winter month in Dell, Montana, with average temperature fluctuating between 10.8°F (-11.8°C) and 27°F (-2.8°C). In Dell, Montana, the average high-temperature in January is almost the same as in December - a still subzero cold 27°F (-2.8°C). Weather in January »

February, the last month of the winter, in Dell, is also a subzero cold month, with temperature in the range of an average low of 10.4°F (-12°C) and an average high of 27.1°F (-2.7°C). In Dell, the average high-temperature is relatively the same as in January - a still freezing cold 27.1°F (-2.7°C). Weather in February »

March, the first month of the spring, in Dell, is a cold month, with average temperature fluctuating between 34.3°F (1.3°C) and 19°F (-7.2°C). In Dell, the average high-temperature in March marginally rises, from a freezing cold 27.1°F (-2.7°C) in February, to a cold 34.3°F (1.3°C). Weather in March »

April in Dell, Montana, is a chilly spring month, with average temperature varying between 44.1°F (6.7°C) and 26.4°F (-3.1°C). In April, the average high-temperature rises, from a cold 34.3°F (1.3°C) in March, to a chilly 44.1°F (6.7°C). Weather in April »

The last month of the spring, May, is a moderate month in Dell, Montana, with average temperature ranging between max 55.6°F (13.1°C) and min 34.7°F (1.5°C). In May, the average high-temperature rises, from a chilly 44.1°F (6.7°C) in April, to a mild 55.6°F (13.1°C). Weather in May »

The first month of the summer, June, is a comfortable month in Dell, Montana, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 65.8°F (18.8°C). In June, the average high-temperature rises, from a moderate 55.6°F (13.1°C) in May, to an enjoyable 65.8°F (18.8°C). Weather in June »

July is a warm summer month in Dell, Montana, with average temperature fluctuating between 47.1°F (8.4°C) and 76.6°F (24.8°C). With an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 47.1°F (8.4°C), July is the warmest month. Weather in July »

The last month of the summer, August, is also a moderately hot month in Dell, Montana, with average temperature fluctuating between 75.4°F (24.1°C) and 46.9°F (8.3°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 75.4°F (24.1°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Dell, Montana, with average temperature ranging between min 42.1°F (5.6°C) and max 65.8°F (18.8°C). In Dell, the average high-temperature decreases, from a moderately hot 75.4°F (24.1°C) in August, to an enjoyable 65.8°F (18.8°C). Weather in September »

October, like September, is another chilly autumn month in Dell, Montana, with average temperature varying between 31.3°F (-0.4°C) and 49.1°F (9.5°C). In Dell, the average high-temperature declines considerably, from a comfortable 65.8°F (18.8°C) in September, to a frosty 49.1°F (9.5°C). Weather in October »

November, the last month of the autumn, in Dell, is another cold month, with average temperature ranging between max 34.9°F (1.6°C) and min 20.1°F (-6.6°C). In November, the average high-temperature drops, from a chilly 49.1°F (9.5°C) in October, to a cold 34.9°F (1.6°C). Weather in November »

December, the first month of the winter, in Dell, is still a freezing cold month, with average temperature ranging between min 9.9°F (-12.3°C) and max 24.3°F (-4.3°C). The coldest month is December, with an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 9.9°F (-12.3°C). Weather in December »

What is the most humid month in Dell?

January and February, with an average relative humidity of 86%, are most humid months.

How much does it rain in Dell?

Throughout the year, in Dell, there are 103.2 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

What is the driest month in Dell?

The month with the least rainfall in Dell is January when the rain falls for 4.6 days and typically collects 0.43" (11mm) of precipitation.

When does it snow in Dell?

January through June, September through December are months with snowfall.

How much does it snow in Dell?

Throughout the year, in Dell, there are 81.9 snowfall days, and 31.65" (804mm) of snow is accumulated.

What is the month with the least sunshine in Dell?

The month with the least sunshine in Dell, Montana, is January, with an average of 5.9h of sunshine.

What is the month with the lowest UV index in Dell?

February is the month with the lowest UV index, with an average maximum UV index of 1.

When does it snow the most in Dell?

April is the month with the most snowfall. Snow falls for 10.8 days and accumulates 4.96" (126mm) of snow.

What is the wettest month in Dell?

June is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.

When are the longest days in Dell?

With an average of 15.5h of daylight, June has the longest days of the year.

What is the warmest month in Dell?

The warmest month is July, with an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 47.1°F (8.4°C).

What is the least humid month in Dell?

Months with the lowest humidity are July and August, with an average relative humidity of 43%.

When it does not snow in Dell?

July and August are months without snowfall in Dell, Montana.

What month has the most sunshine in Dell?

July has the most sunshine of the year in Dell, Montana, with an average of 11.9h of sunshine.

When is the highest UV index in Dell?

July is the month with the highest UV index, with an average maximum UV index of 5.

What is the coldest month in Dell?

December is the coldest month, with an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 9.9°F (-12.3°C).

What is the month with the shortest days in Dell?

With an average of 8.9h of daylight, December has the shortest days of the year in Dell, Montana.
Average humidity - Dell, MT
Average rainfall - Dell, MT
Average rainfall days - Dell, MT

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).

Average snowfall days - Dell, MT

The month with the highest number of snowfall days is February (13.3 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Dell, MT

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 5.9h).