Climate and monthly weather forecast
Denby, SD

Weather in January

January, like December, in Denby, South Dakota, is another cold winter month, with an average temperature fluctuating between 18.1°F (-7.7°C) and 32.5°F (0.3°C). In January, the average high-temperature is almost the same as in December - a still wintry 32.5°F (0.3°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Denby, South Dakota, with an average temperature ranging between min 18.9°F (-7.3°C) and max 33.8°F (1°C). In Denby, the average high-temperature in February is practically the same as in January - a still wintry 33.8°F (1°C). Weather in February »

Weather in March

March, the first month of the spring in Denby, is a frosty month, with an average temperature varying between 30.6°F (-0.8°C) and 48.7°F (9.3°C). In March, the average high-temperature soars, from a cold 33.8°F (1°C) in February, to a chilly 48.7°F (9.3°C). Weather in March »

Weather in April

April is a moderate spring month in Denby, South Dakota, with an average temperature ranging between max 55.9°F (13.3°C) and min 37.6°F (3.1°C). In April, the average high-temperature slightly increases from a frosty 48.7°F (9.3°C) in March to a mild 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Denby, South Dakota, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66.2°F (19°C). In Denby, the average high-temperature in May rises from a moderate 55.9°F (13.3°C) in April to a comfortable 66.2°F (19°C). Weather in May »

Weather in June

June, the first month of the summer in Denby, is a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 79.9°F (26.6°C). In June, the average high-temperature rises from a comfortable 66.2°F (19°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July is a tropical summer month in Denby, South Dakota, with an average temperature varying between 65.5°F (18.6°C) and 87.6°F (30.9°C). July is the warmest month, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 65.5°F (18.6°C). In July, the average heat index is calculated to be a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Denby, South Dakota, with an average temperature fluctuating between 64°F (17.8°C) and 85.6°F (29.8°C). In August, the average high-temperature is practically the same as in July - a warm 85.6°F (29.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Denby, South Dakota, with an average temperature ranging between min 55.9°F (13.3°C) and max 77°F (25°C). In September, the average high-temperature slightly decreases from 85.6°F (29.8°C) in August to a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Denby, South Dakota, with an average temperature varying between 58.5°F (14.7°C) and 41°F (5°C). In Denby, the average high-temperature in October significantly decreases from a warm 77°F (25°C) in September to a mild 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Denby, is also a frosty month, with an average temperature ranging between max 46.2°F (7.9°C) and min 29.8°F (-1.2°C). In Denby, the average high-temperature in November decreases from a moderate 58.5°F (14.7°C) in October to a frosty 46.2°F (7.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Denby, South Dakota, with an average temperature varying between 32.4°F (0.2°C) and 18.7°F (-7.4°C). The coldest month is December, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 18.7°F (-7.4°C). Weather in December »
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FAQ

What is the most humid month in Denby?

The most humid month in Denby, South Dakota, is January, with an average relative humidity of 80%.

What is the driest month in Denby?

January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in Denby?

Throughout the year, in Denby, South Dakota, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.

When does it snow in Denby?

January through May, September through December are months with snowfall in Denby, South Dakota.

How much does it snow in Denby?

In Denby, during the entire year, snow falls for 47.4 days and aggregates up to 22.72" (577mm) of snow.

When is the lowest UV index in Denby?

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

When does it snow the most in Denby?

February is the month with the most snowfall. Snow falls for 11.5 days and accumulates 4.02" (102mm) of snow.

What is the month with the least sunshine in Denby?

The month with the least sunshine is February, with an average of 5.2h of sunshine.

When is Daylight Saving Time (DST) in Denby?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Denby, South Dakota, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Denby?

The month with the most rainfall in Denby is May, when the rain falls for 13.1 days and typically aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Denby?

June through August are months without snowfall.

When are the longest days in Denby?

June has the longest days of the year in Denby, South Dakota, with an average of 15h and 19min of daylight.

What is the warmest month in Denby?

The warmest month is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 65.5°F (18.6°C).

What is the month with the highest UV index in Denby?

July is the month with the highest UV index in Denby, South Dakota, with an average maximum UV index of 7.

What is the least humid month in Denby?

August is the least humid month, with an average relative humidity of 48%.

What month has the most sunshine in Denby?

With an average of 11.8h of sunshine, August has the most sunshine of the year.

What is the coldest month in Denby?

December is the coldest month in Denby, South Dakota, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 18.7°F (-7.4°C).

What is the month with the shortest days in Denby?

The month with the shortest days in Denby, South Dakota, is December, with an average of 9h and 4min of daylight.

Average temperature
Denby, SD

Average temperature - Denby, SD

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure
Denby, SD

Average pressure - Denby, SD

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Denby, SD

Average wind speed - Denby, SD

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

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Average rainfall
Denby, SD

Average rainfall - Denby, SD

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Denby, SD

Average rainfall days - Denby, SD

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

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Average snowfall
Denby, SD

Average snowfall - Denby, SD

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Denby, SD

Average snowfall days - Denby, SD

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Denby, SD

Average daylight / Average sunshine - Denby, SD

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days
Denby, SD

Average sunshine days - Denby, SD

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

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Average visibility
Denby, SD

Average visibility - Denby, 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).

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