Climate and monthly weather forecast
Montrose, SD

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Weather in January

January, like December, is a freezing cold winter month in Montrose, South Dakota, with temperature in the range of an average high of 22.8°F (-5.1°C) and an average low of 9.3°F (-12.6°C). Montrose's January weather, marked by an average high temperature of 22.8°F (-5.1°C) and an average low temperature of 9.3°F (-12.6°C), is the coldest in the year. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Montrose, South Dakota, with an average temperature ranging between min 13.1°F (-10.5°C) and max 26.6°F (-3°C). At the onset of February, Montrose records an average high-temperature of a still subzero cold 26.6°F (-3°C), showing little deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Montrose, South Dakota, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 27.7°F (-2.4°C). As Montrose transitions into March, a marked increase in the average high-temperature is observed, rising from a freezing cold 26.6°F (-3°C) in February to a chilly 42.8°F (6°C). Weather in March »

Weather in April

April in Montrose, South Dakota, is a moderate spring month, with an average temperature varying between 38.5°F (3.6°C) and 55.4°F (13°C). With the onset of April, Montrose's weather sees a temperature rise, transitioning from a chilly 42.8°F (6°C) in March to a refreshing 55.4°F (13°C). Weather in April »

Weather in May

May, the last month of the spring in Montrose, is an enjoyable month, with an average temperature varying between 50°F (10°C) and 67.3°F (19.6°C). An escalation in the average high-temperature is seen with the onset of May, moving from a moderate 55.4°F (13°C) in April to a still refreshing 67.3°F (19.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Montrose, South Dakota, with an average temperature ranging between max 77.5°F (25.3°C) and min 60.1°F (15.6°C). In Montrose, the average high-temperature in June rises, from a comfortable 67.3°F (19.6°C) in May, to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Montrose, South Dakota, is another warm summer month, with an average temperature fluctuating between 63.1°F (17.3°C) and 82.6°F (28.1°C). During the warmest month, July, temperatures average a high of 82.6°F (28.1°C) and a low of 63.1°F (17.3°C). The heat index value during July is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Montrose, is also a moderately hot month, with an average temperature fluctuating between 59.5°F (15.3°C) and 81.1°F (27.3°C). Montrose's shift into August sets the average high-temperature at a still moderately hot 81.1°F (27.3°C), a figure that deviates only slightly from July's 82.6°F (28.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Montrose, is still a warm month, with an average temperature ranging between min 53.4°F (11.9°C) and max 74.3°F (23.5°C). With the arrival of September, Montrose experiences a modest decline in average high-temperatures, transitioning from 81.1°F (27.3°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, in Montrose, South Dakota, is a moderate autumn month, with an average temperature ranging between min 41.2°F (5.1°C) and max 57.2°F (14°C). The onset of October brings a distinct decrease in the average high-temperature, receding from a moderately hot 74.3°F (23.5°C) in September to a mild 57.2°F (14°C). Weather in October »

Weather in November

November, the last month of the autumn in Montrose, is also a frosty month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 43°F (6.1°C). Montrose in November experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 57.2°F (14°C) in October to a chilly 43°F (6.1°C). Weather in November »

Weather in December

December, the first month of the winter in Montrose, is still a freezing cold month, with an average temperature varying between 27.5°F (-2.5°C) and 15.4°F (-9.2°C). As November transitions into December, a clear downswing in temperatures is observed, with average highs retreating from a frosty 43°F (6.1°C) to a subzero cold 27.5°F (-2.5°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, on average, is the coldest month, registering a high temperature of 22.8°F (-5.1°C) and a low of 9.3°F (-12.6°C).

What is the most humid month?

With an average relative humidity of 88%, January is the most humid month.

How many days does it rain?

In Montrose, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How much does it snow?

Throughout the year, in Montrose, there are 45.4 snowfall days, and 19.33" (491mm) of snow is accumulated.

What is the month with the least sunshine in Montrose?

With an average of 4h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month?

February is the month with the least rainfall. Rain falls for 2.6 days and accumulates 0.63" (16mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.62" (92mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 24min of daylight, June has the longest days of the year.

When is the highest UV index in Montrose?

The months with the highest UV index in Montrose are June and July, with an average maximum UV index of 6.

What are the warmest months?

The warmest period tends to be July, when average temperatures fluctuate between a high of 82.6°F (28.1°C) and a low of 63.1°F (17.3°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

What is the least humid month?

October is the least humid month, with an average relative humidity of 67%.

When does it snow the most?

December is the month with the most snowfall in Montrose. Snow falls for 10.1 days and accumulates 4.21" (107mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Montrose, with an average of 9h and 0min of daylight.

Average temperature
Montrose, SD

Average temperature - Montrose, SD

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average pressure
Montrose, SD

Average pressure - Montrose, SD

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Montrose, SD

Average wind speed - Montrose, SD

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity
Montrose, SD

Average humidity - Montrose, SD

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).

Average rainfall
Montrose, SD

Average rainfall - Montrose, SD

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days
Montrose, SD

Average rainfall days - Montrose, SD

The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).

Average snowfall
Montrose, SD

Average snowfall - Montrose, SD

The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Montrose, SD

Average snowfall days - Montrose, SD

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Montrose, SD

Average daylight / Average sunshine - Montrose, SD

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Montrose, SD

Average sunshine days - Montrose, SD

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).

Average visibility
Montrose, SD

Average visibility - Montrose, SD

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Montrose, South Dakota, USA

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