Climate and monthly weather forecast
Lily, SD

Share

Weather in January

January, the same as December, in Lily, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 5°F (-15°C) and 18.9°F (-7.3°C). Lily's temperature records reveal January as the coldest month, marked by average highs of 18.9°F (-7.3°C) and lows of 5°F (-15°C). Weather in January »

Weather in February

February, the last month of the winter in Lily, 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). A minor adjustment in Lily's average high-temperature is noted with the start of February, touching a still subzero cold 21.4°F (-5.9°C) from January's 18.9°F (-7.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Lily, South Dakota, with an average temperature ranging between max 37.6°F (3.1°C) and min 23.2°F (-4.9°C). March brings with it a considerable temperature increase, with average high-temperatures rising from February's freezing cold 21.4°F (-5.9°C) to an icy 37.6°F (3.1°C). Weather in March »

Weather in April

April in Lily, South Dakota, is a cool spring month, with an average temperature varying between 51.1°F (10.6°C) and 35.1°F (1.7°C). A shift in the average high-temperature is noticeable in April, changing 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 an enjoyable month in Lily, South Dakota, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 46.6°F (8.1°C). As May sets, the average high-temperature shows an increase, moving up from a cool 51.1°F (10.6°C) in April to an enjoyable 64°F (17.8°C). Weather in May »

Weather in June

June, the first month of the summer in Lily, is a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 74.3°F (23.5°C). The start of June signals an increase in the average high-temperature, moving 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 Lily, South Dakota, with an average temperature ranging between max 81°F (27.2°C) and min 61.3°F (16.3°C). July, known for its average high temperature of 81°F (27.2°C) and an average low temperature of 61.3°F (16.3°C), is the warmest month. The average heat index in July is computed to be 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer in Lily, is also a moderately hot month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 80.1°F (26.7°C). The advent of August reveals an average high-temperature of a still warm 80.1°F (26.7°C), showing minimal difference from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Lily, South Dakota, with an average temperature ranging between min 51.3°F (10.7°C) and max 71.6°F (22°C). With the onset of September, Lily's average high-temperature slightly adjusts, moderately receding from August's warm 80.1°F (26.7°C) to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, like September, in Lily, South Dakota, is another fresh autumn month, with an average temperature ranging between min 38.7°F (3.7°C) and max 53.8°F (12.1°C). Lily in October sees a clear temperature decline, with average high-temperatures decreasing 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 another cold month in Lily, South Dakota, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 25.7°F (-3.5°C). November's arrival signals a significant decrease in average high-temperatures, falling from October's cool 53.8°F (12.1°C) to a cold 38.8°F (3.8°C). Weather in November »

Weather in December

December, the first month of the winter in Lily, 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). The onset of December brings a distinct decrease in the average high-temperature, receding from a wintry 38.8°F (3.8°C) in November to a freezing cold 23.2°F (-4.9°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Lily?

The coldest period in Lily is January, when temperatures fluctuate between an average high of 18.9°F (-7.3°C) and a low of 5°F (-15°C).

What is the most humid month in Lily?

The most humid month is January, with an average relative humidity of 91%.

How many days does it rain in Lily?

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

When does it snow in Lily?

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

How many days does it snow in Lily?

Throughout the year, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.

What is the month with the least sunshine in Lily?

The month with the least sunshine is January, with an average of 3.2h of sunshine.

When is the lowest UV index in Lily?

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

When is Daylight Saving Time (DST) in Lily?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lily, South Dakota, 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.

When it does not snow in Lily?

June through September are months without snowfall in Lily.

When are the longest days in Lily?

With an average of 15h and 36min of daylight, June has the longest days of the year in Lily, South Dakota.

When is the highest UV index in Lily?

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

What part of the year is the hottest in Lily?

July, known for its average high temperature of 81°F (27.2°C) and an average low temperature of 61.3°F (16.3°C), is the warmest month in Lily.

What is the wettest month in Lily?

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 Lily?

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

What is the least humid month in Lily?

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

What is the driest month in Lily?

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

When does it snow the most in Lily?

The month with the most snowfall 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 Lily?

The month with the shortest days in Lily, South Dakota, is December, with an average of 8h and 48min of daylight.

Average pressure
Lily, SD

Average pressure - Lily, 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).

Average wind speed
Lily, SD

Average wind speed - Lily, 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).

Average humidity
Lily, SD

Average humidity - Lily, SD

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

Average rainfall
Lily, SD

Average rainfall - Lily, SD

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

Average rainfall days
Lily, SD

Average rainfall days - Lily, 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).

Average snowfall
Lily, SD

Average snowfall - Lily, SD

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

Average snowfall days
Lily, SD

Average snowfall days - Lily, 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).

Average daylight / Average sunshine
Lily, SD

Average daylight / Average sunshine - Lily, SD

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

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).

Average sunshine days
Lily, SD

Average sunshine days - Lily, 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).

Average UV index
Lily, SD

Average UV index - Lily, 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).

Average visibility
Lily, SD

Average visibility - Lily, 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).

Lily, South Dakota, USA

Weather forecast for your location

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