Climate and monthly weather forecast
Mission, SD

Share

Weather in January

January, the same as December, in Mission, South Dakota, is a freezing cold winter month, with an average temperature ranging between min 18.5°F (-7.5°C) and max 31.5°F (-0.3°C). In Mission, the lowest average temperatures are observed in January, with a high of 31.5°F (-0.3°C) and a low of 18.5°F (-7.5°C). Weather in January »

Weather in February

February, the last month of the winter in Mission, is an icy month, with an average temperature fluctuating between 34°F (1.1°C) and 19.8°F (-6.8°C). The average high-temperature during February registers at a cold 34°F (1.1°C), closely corresponding to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Mission, is a frosty month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 31.1°F (-0.5°C). With the onset of March, Mission's average high-temperature experiences a rise, moving from February's wintry 34°F (1.1°C) to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Mission, South Dakota, with an average temperature fluctuating between 56.1°F (13.4°C) and 38.8°F (3.8°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a frosty 47.8°F (8.8°C) in March to a mild 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Mission, is an enjoyable month, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 49.3°F (9.6°C). Mission sees an increase in the average high-temperature with the arrival of May, moving from April's moderate 56.1°F (13.4°C) to a comfortable 66.6°F (19.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Mission, South Dakota, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 60.1°F (15.6°C). The arrival of June brings a temperature shift, with the average high-temperature escalating from a refreshing 66.6°F (19.2°C) in May to a warm 79.2°F (26.2°C). Weather in June »

Weather in July

July in Mission, South Dakota, is a hot summer month, with an average temperature varying between 65.7°F (18.7°C) and 86.4°F (30.2°C). In Mission, the peak average temperatures are observed in July, with a high of 86.4°F (30.2°C) and a low of 65.7°F (18.7°C). In July, the average heat index is evaluated at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Mission, is also a moderately hot month, with an average temperature ranging between min 63.1°F (17.3°C) and max 84.6°F (29.2°C). August's advent notes a subtle adjustment in average high-temperature to a moderately hot 84.6°F (29.2°C) from July. Weather in August »

Weather in September

September, the first month of the autumn in Mission, is still a warm month, with an average temperature fluctuating between 55.8°F (13.2°C) and 75.7°F (24.3°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 84.6°F (29.2°C) in August to a still warm 75.7°F (24.3°C). Weather in September »

Weather in October

October, the same as September, in Mission, South Dakota, is another mild autumn month, with an average temperature fluctuating between 42.3°F (5.7°C) and 58.6°F (14.8°C). Mission's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's moderately hot 75.7°F (24.3°C) to a mild 58.6°F (14.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Mission, South Dakota, with an average temperature varying between 46.4°F (8°C) and 31.1°F (-0.5°C). In November, the average high-temperature decreases from a moderate 58.6°F (14.8°C) in October to a frosty 46.4°F (8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Mission, South Dakota, with an average temperature fluctuating between 31.8°F (-0.1°C) and 20.1°F (-6.6°C). As December begins, there is a noticeable decrease in the average high-temperature, falling from a frosty 46.4°F (8°C) in November to a freezing cold 31.8°F (-0.1°C). Weather in December »
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January is the month when Mission sees the average lowest temperatures, with a high of 31.5°F (-0.3°C) and a low of 18.5°F (-7.5°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 78%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 2.4 days and typically collects 0.47" (12mm) of precipitation.

How many days does it rain?

Throughout the year, in Mission, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, September through December.

How much does it snow?

Throughout the year, there are 41.1 snowfall days, and 14.53" (369mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 5.4h of sunshine, January has the least sunshine of the year in Mission.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Mission?

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 rainiest month?

May is the month with the most rainfall in Mission. Rain falls for 15.7 days and accumulates 2.6" (66mm) of precipitation.

When it does not snow?

In Mission, snow does not fall in June through August.

When are the longest days?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What is the month with the highest UV index?

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

What part of the year is the hottest?

Mission experiences its highest temperatures in July, with an average peak of 86.4°F (30.2°C) and a low of 65.7°F (18.7°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11.2h of sunshine.

What is the least humid month?

With an average relative humidity of 56%, September is the least humid month.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 7.1 days and accumulates 2.76" (70mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Mission, SD

Average temperature - Mission, SD

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure
Mission, SD

Average pressure - Mission, SD

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Mission, SD

Average wind speed - Mission, SD

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

Average humidity
Mission, SD

Average humidity - Mission, SD

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

Average rainfall
Mission, SD

Average rainfall - Mission, SD

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Mission, SD

Average rainfall days - Mission, SD

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

Average snowfall
Mission, SD

Average snowfall - Mission, SD

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Mission, SD

Average snowfall days - Mission, SD

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Mission, SD

Average daylight / Average sunshine - Mission, SD

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days
Mission, SD

Average sunshine days - Mission, SD

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

Average UV index
Mission, SD

Average UV index - Mission, SD

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Mission, SD

Average visibility - Mission, SD

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).

Mission, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location