Climate and monthly weather forecast
Wallace, SD

Weather in January

January, like December, is a freezing cold winter month in Wallace, South Dakota, with an average temperature ranging between max 18.9°F (-7.3°C) and min 5°F (-15°C). With an average high-temperature of 18.9°F (-7.3°C) and an average low-temperature of 5°F (-15°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Wallace, is another freezing cold month, with an average temperature ranging between max 21.4°F (-5.9°C) and min 7.2°F (-13.8°C). In February, the average high-temperature is relatively the same as in January - a still subzero cold 21.4°F (-5.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Wallace, South Dakota, with an average temperature fluctuating between 37.6°F (3.1°C) and 23.2°F (-4.9°C). In March, the average high-temperature soars, from a freezing cold 21.4°F (-5.9°C) in February, to a wintry 37.6°F (3.1°C). Weather in March »

Weather in April

April is a fresh spring month in Wallace, South Dakota, with an average temperature fluctuating between 35.1°F (1.7°C) and 51.1°F (10.6°C). In April, the average high-temperature rises from a cold 37.6°F (3.1°C) in March to a cool 51.1°F (10.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Wallace, South Dakota, with an average temperature varying between 46.6°F (8.1°C) and 64°F (17.8°C). In May, the average high-temperature increases from a fresh 51.1°F (10.6°C) in April to a comfortable 64°F (17.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Wallace, South Dakota, with an average temperature varying between 74.3°F (23.5°C) and 56.3°F (13.5°C). In Wallace, South Dakota, the average high-temperature in June rises from a comfortable 64°F (17.8°C) in May to a warm 74.3°F (23.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Wallace, South Dakota, with an average temperature varying between 81°F (27.2°C) and 61.3°F (16.3°C). With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 61.3°F (16.3°C), July is the warmest month. In July, the average heat index is evaluated at 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer in Wallace, is another warm month, with an average temperature varying between 80.1°F (26.7°C) and 58.8°F (14.9°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Wallace, South Dakota, with an average temperature varying between 51.3°F (10.7°C) and 71.6°F (22°C). In Wallace, the average high-temperature in September slightly decreases from a moderately hot 80.1°F (26.7°C) in August to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Wallace, South Dakota, with an average temperature fluctuating between 38.7°F (3.7°C) and 53.8°F (12.1°C). In Wallace, the average high-temperature in October declines considerably from an agreeable 71.6°F (22°C) in September to a cool 53.8°F (12.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Wallace, South Dakota, with an average temperature varying between 38.8°F (3.8°C) and 25.7°F (-3.5°C). In November, the average high-temperature plummets from a fresh 53.8°F (12.1°C) in October to a cold 38.8°F (3.8°C). Weather in November »

Weather in December

December, the first month of the winter in Wallace, is also a subzero cold month, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 23.2°F (-4.9°C). In December, the average high-temperature plummets from a wintry 38.8°F (3.8°C) in November to a subzero cold 23.2°F (-4.9°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Wallace?

With an average high-temperature of 18.9°F (-7.3°C) and an average low-temperature of 5°F (-15°C), January is the coldest month in Wallace.

What is the most humid month in Wallace?

January is the most humid month in Wallace, with an average relative humidity of 91%.

How much does it rain in Wallace?

Throughout the year, in Wallace, South Dakota, there are 112.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

When does it snow in Wallace?

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

How many days does it snow in Wallace?

In Wallace, South Dakota, during the entire year, snow falls for 68.4 days and aggregates up to 23.74" (603mm) of snow.

What is the month with the least sunshine in Wallace?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

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

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

When is Daylight Saving Time (DST) in Wallace?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Wallace?

In Wallace, snow does not fall in June through September.

When are the longest days in Wallace?

With an average of 15h and 34min of daylight, June has the longest days of the year in Wallace, South Dakota.

When is the highest UV index in Wallace?

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

What is the warmest month in Wallace?

With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 61.3°F (16.3°C), July is the warmest month in Wallace.

What is the wettest month in Wallace?

The month with the most rainfall is July, when the rain falls for 14.4 days and typically aggregates up to 3.58" (91mm) of precipitation.

What month has the most sunshine in Wallace?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Wallace, South Dakota.

What is the least humid month in Wallace?

With an average relative humidity of 66%, September is the least humid month in Wallace, South Dakota.

What is the driest month in Wallace?

The month with the least rainfall is November, when the rain falls for 4.6 days and typically collects 0.63" (16mm) of precipitation.

What is the snowiest month in Wallace?

The month with the most snowfall in Wallace is December, when snow falls for 14.6 days and typically aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days in Wallace?

December has the shortest days of the year in Wallace, with an average of 8h and 50min of daylight.

Average pressure
Wallace, SD

Average pressure - Wallace, SD

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

[Resources]

Average wind speed
Wallace, SD

Average wind speed - Wallace, SD

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

[Resources]

Average rainfall
Wallace, SD

Average rainfall - Wallace, SD

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

[Resources]

Average rainfall days
Wallace, SD

Average rainfall days - Wallace, SD

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

[Resources]

Average snowfall
Wallace, SD

Average snowfall - Wallace, SD

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Wallace, SD

Average snowfall days - Wallace, SD

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Wallace, SD

Average daylight / Average sunshine - Wallace, SD

The month with the longest days is June (Average daylight: 15h and 34min).
The month with the shortest days is December (Average daylight: 8h and 50min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

[Resources]

Average sunshine days
Wallace, SD

Average sunshine days - Wallace, SD

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

[Resources]

Average UV index
Wallace, SD

Average UV index - Wallace, SD

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average visibility
Wallace, SD

Average visibility - Wallace, SD

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location