Climate and monthly weather forecast
Monroe, SD

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Weather in January

January, like December, is a freezing cold winter month in Monroe, 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). January, characterized by an average high temperature of 22.8°F (-5.1°C) and a low temperature of 9.3°F (-12.6°C), is generally the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Monroe, South Dakota, with temperature in the range of an average low of 13.1°F (-10.5°C) and an average high of 26.6°F (-3°C). Monroe's transition from January to February introduces an average high-temperature of a still subzero cold 26.6°F (-3°C), marking an insignificant variation from the 22.8°F (-5.1°C). Weather in February »

Weather in March

March, the first month of the spring in Monroe, is a frosty month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 42.8°F (6°C). As Monroe 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 is a moderate spring month in Monroe, South Dakota, with an average temperature ranging between max 55.4°F (13°C) and min 38.5°F (3.6°C). A shift in the average high-temperature is noticeable in April, changing from a frosty 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 Monroe, is an enjoyable month, with an average temperature fluctuating between 50°F (10°C) and 67.3°F (19.6°C). May's onset is marked by a temperature increase, moving from a mild 55.4°F (13°C) in April to an enjoyable 67.3°F (19.6°C). Weather in May »

Weather in June

June, the first month of the summer in Monroe, is a warm month, with an average temperature fluctuating between 77.5°F (25.3°C) and 60.1°F (15.6°C). June indicates a change in the average high-temperature, moving up 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, the same as June, is a moderately hot summer month in Monroe, South Dakota, with an average temperature varying between 82.6°F (28.1°C) and 63.1°F (17.3°C). July is the month that records the highest temperatures, with averages ranging from a high of 82.6°F (28.1°C) to a low of 63.1°F (17.3°C). The heat index for July is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Monroe, South Dakota, with an average temperature varying between 81.1°F (27.3°C) and 59.5°F (15.3°C). As July transitions into August, the average high-temperature rests at a still moderately hot 81.1°F (27.3°C), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Monroe, South Dakota, with an average temperature fluctuating between 53.4°F (11.9°C) and 74.3°F (23.5°C). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 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, like September, is a moderate autumn month in Monroe, South Dakota, with an average temperature varying between 41.2°F (5.1°C) and 57.2°F (14°C). As Monroe, South Dakota, steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's moderately hot 74.3°F (23.5°C) to a refreshing 57.2°F (14°C). Weather in October »

Weather in November

November, the last month of the autumn in Monroe, is also a frosty month, with an average temperature fluctuating between 43°F (6.1°C) and 29.1°F (-1.6°C). The shift to November brings a decrease in the average high-temperature, falling from a moderate 57.2°F (14°C) in October to a chilly 43°F (6.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Monroe, South Dakota, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 15.4°F (-9.2°C). A clear decrease in the average high-temperature is observed during December, decreasing from a frosty 43°F (6.1°C) in November to a freezing cold 27.5°F (-2.5°C). Weather in December »

Frequently asked questions

What is the coldest month?

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

What is the most humid month?

The most humid month is January, with an average relative humidity of 88%.

How many days does it rain?

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

When does it snow in Monroe?

Months with snowfall in Monroe are January through May, October through December.

How many days does it snow?

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

What is the month with the least sunshine?

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

What are the months with the lowest UV index?

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

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?

The month with the most rainfall is June, when the rain falls for 18.3 days and typically aggregates up to 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 in Monroe.

What are the months with the highest UV index?

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

What is the warmest month?

Monroe witnesses the warmest weather in July, with temperatures averaging 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?

With an average of 10.7h of sunshine, July has the most sunshine of the year.

What is the least humid month?

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

When does it snow the most?

The month with the most snowfall is December, when snow falls for 10.1 days and typically aggregates up to 4.21" (107mm) of snow.

What is the month with the shortest days?

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

Average temperature
Monroe, SD

Average temperature - Monroe, 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
Monroe, SD

Average pressure - Monroe, 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
Monroe, SD

Average wind speed - Monroe, 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
Monroe, SD

Average humidity - Monroe, SD

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

Average rainfall
Monroe, SD

Average rainfall - Monroe, 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
Monroe, SD

Average rainfall days - Monroe, 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
Monroe, SD

Average snowfall - Monroe, 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
Monroe, SD

Average snowfall days - Monroe, 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
Monroe, SD

Average daylight / Average sunshine - Monroe, 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
Monroe, SD

Average sunshine days - Monroe, 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
Monroe, SD

Average visibility - Monroe, 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).

Monroe, South Dakota, USA

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