Climate and monthly weather forecast
Aberdeen, SD

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During winter, snow cover is seen all over the area in Aberdeen City, South Dakota
During winter, snow cover is seen all over the area in Aberdeen City, South Dakota

The climate of Aberdeen

Situated in the great plains region of South Dakota, USA, Aberdeen's climatic conditions fall under the classification of Dfa by Köppen. This classification implies that the city exhibits a humid continental climate, characterized by hot summers and no dry season. The temperature swings between extremes of warmth and cold over the course of the year, with peaks reaching up to 84.7°F (29.3°C) in July and lows plummeting to 6.3°F (-14.3°C) in January.

Ranging from 20.7°F (-6.3°C) to 84.7°F (29.3°C), the high temperatures tell a tale of climatic variety, while the humidity tends to follow a similar pattern with its highest increase in January and December with 88% and 85% respectively. Rainfall varies across the year, the highest volume being recorded in June with 3.46" (88mm) and the least in January with just 0.59" (15mm). Aberdeen experiences snow as well, with highest snowfall recorded in January and December, at 3.82" (97mm) and 3.43" (87mm) respectively.

Notable are the city's daylight hours which peak during the summer reaching up to 15.6 hours, troughing to 8.8 hours during the shorter winter days. Overall, Aberdeen's climate is a mixed bag of diverse weather phenomena marked by unique patterns, such as the maximum rainfall in June coupled with the longest daylight hours.

The best time to visit Aberdeen

Given Aberdeen's continental climate, the ideal time for a visit depends greatly on the desired weather and activities. Tourists who favor comfortable temperatures and longer daylight hours, June offers the most favorable conditions. With an average high temperature of 76.8°F (24.9°C), it is an ideal time for outdoor activities. Additionally, it has the longest daylight hours, averaging 15.6 hours per day giving visitors ample time to explore Aberdeen in broad daylight.

The worst time to visit Aberdeen

Travelers averse to harsh cold should avoid the months of January and December, both of which receive the heaviest snowfall. With the lowest recorded temperature spiraling down to 6.3°F (-14.3°C) in January, these winter months can be inhospitable. Furthermore, January has the shortest daylight hours, averaging 8.8, which might result in restricted sightseeing opportunities.

Spring weather in Aberdeen

Spring kicks off in Aberdeen from March. The high temperature rises from 39.7°F (4.3°C) in March through 54.1°F (12.3°C) in April to 66.7°F (19.3°C) in May, while the respective low temperatures shift from 24.8°F (-4°C) to 36.9°F (2.7°C) and then 48.2°F (9°C). An increase in rainfall is also evident, shooting from 1.1" (28mm) in March to 1.65" (42mm) in April and 2.32" (59mm) in May.

Summer weather in Aberdeen

Summers in Aberdeen span from June to August, these months witnessing the highest temperatures and longest daylight hours. The highest temperature registers at 84.7°F (29.3°C) in July and the daylight hours peak at 15.6 hours in June. Rainfall is pronounced, with June recording the highest rainfall of 3.46" (88mm).

Autumn weather in Aberdeen

Autumn in Aberdeen from September through November is marked by a decline in temperatures, daylight hours, and rainfall. September begins with a high temperature of 74.3°F (23.5°C), which gradually decreases to 56.3°F (13.5°C) by November. Correspondingly, the rainfall drops from 1.26" (32mm) in September to 0.63" (16mm) in November.

Winter weather in Aberdeen

Winter in Aberdeen is characterized by extreme cold and snowfall. From December through February, the temperature plummets with the lowest reaching 6.3°F (-14.3°C) in January. The city also experiences significant snowfall, with January and December recording the highest at 3.82" (97mm) and 3.43" (87mm) respectively. Furthermore, these months have the shortest daylight hours with an average of roughly 8.8 hours in December.

Weather in January

Aberdeen, South Dakota, ushers in the New Year with a chilly outlook. A fair amount of snowfall registers, with 3.82" (97mm) falling over 13 days. Sunshine hours are scant, and the possibility of foggy mornings can reduce visibility. Weather in January »

Weather in February

The weather in February continues January's trend, remaining cold and often giving Aberdeen its trademark winter appearance. February is a month of light, with a slight increase in daylight hours noticeable. The relative humidity remains high, fostering a chilly raw feel. Weather in February »

Weather in March

March brings the first whispers of spring to Aberdeen, with a noticeable increase in temperatures. In this month, Aberdeen experiences the highest number of rainfall days, tallying up to 7.1. The days gradually lengthen, hinting at the approaching season change. Weather in March »

Weather in April

The month of April is a time of noticeable change in Aberdeen's weather. The rainfall volume in April reaches 1.65" (42mm). With the increase of daylight hours, the need for warmer clothing gradually decreases. The snow gives way to rainfall, heralding full-on spring. Weather in April »

Weather in May

May in Aberdeen could be described as the true beginning of spring. It has the highest amount of rainfall volume, at 2.32" (59mm). The temperatures become milder, making outdoor activities more appealing. This growth in warmth and precipitation gives way to lush landscapes. Weather in May »

Weather in June

June is the first brush with summer for Aberdeen, with its weather marked by a distinct warmth. It has the highest relative humidity, hovering around 72%. By June, rainfall is less frequent but daylight hours peak. With its comfortable temperatures and extended daylight, June serves as the gateway to summer. Weather in June »

Weather in July

In July, Aberdeen, South Dakota, experiences the heart of summer. This month records the maximum temperatures, soaring to a high of 84.7°F (29.3°C). Daylight hours are still plentiful, complimented by beautiful sunsets. The summer's heat is at its peak, often leading to clear, sunny days. Weather in July »

Weather in August

August brings a pause to the increasing warmth, with a subtle dip in temperatures. Aberdeen sees a slight dip in humidity relative to July. Even though daylight hours begin to wane, there is still ample sunshine. Rainfall is sparser, creating a balance of sunshine and cool winds. Weather in August »

Weather in September

September signals the start of autumn, with temperatures taking a noticeable dive. During this month, rainfall drops to 1.26" (32mm). Golden hues start to appear as trees shed their leaves, while the weather remains relatively dry. Weather in September »

Weather in October

The crisp weather of October in Aberdeen unfolds a breathtaking palette of rich and vibrant colors. Snow makes a reappearance with 0.51" (13mm) falling during this month. The wind picks up a bit, rustling the fallen leaves and creating picturesque views. Weather in October »

Weather in November

November engages Aberdeen in a slow waltz into winter. Snowfall is more frequent, accounting for 2.09" (53mm) during this month. The shortened daylight hours and longer nights set an early stage for the approaching winter. The landscape becomes a canvas of white, spelling the end of autumn colors. Weather in November »

Weather in December

December brings full-fledged winter to Aberdeen. Registering 3.43" (87mm) of snow over 11.4 days, it is a month marked with a significant amount of snowfall. Hoteliers light up fireplaces, casting a warm glow against the snow-blanketed backdrop. Weather in December »
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Aberdeen reaches its average lowest temperatures in January, measuring 20.7°F (-6.3°C) at the peak and 6.3°F (-14.3°C) at the lowest.

What is the most humid month?

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

What is the driest month?

January is the month with the least rainfall. Rain falls for 3 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain?

In Aberdeen, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

When does it snow?

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

When does it snow the most?

January is the month with the most snowfall. Snow falls for 13 days and accumulates 3.82" (97mm) of snow.

How many days does it snow?

Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index?

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

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 rainiest month?

The month with the most rainfall is June, when the rain falls for 15 days and typically aggregates up to 3.46" (88mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days in Aberdeen?

June has the longest days of the year, with an average of 15h and 36min of daylight.

When is the highest UV index in Aberdeen?

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

What month is the hottest?

Aberdeen's warmest weather arrives in July, when temperatures average a high of 84.7°F (29.3°C) and a low of 63.1°F (17.3°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11.1h of sunshine.

What is the least humid month?

August and September, with an average relative humidity of 60%, are the least humid months.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

Average temperature
Aberdeen, SD

Average temperature - Aberdeen, SD

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°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 (6.3°F).

Average pressure
Aberdeen, SD

Average pressure - Aberdeen, 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
Aberdeen, SD

Average wind speed - Aberdeen, SD

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity
Aberdeen, SD

Average humidity - Aberdeen, SD

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall
Aberdeen, SD

Average rainfall - Aberdeen, SD

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Aberdeen, SD

Average rainfall days - Aberdeen, SD

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall
Aberdeen, SD

Average snowfall - Aberdeen, SD

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Aberdeen, SD

Average snowfall days - Aberdeen, SD

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Aberdeen, SD

Average daylight / Average sunshine - Aberdeen, 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: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days
Aberdeen, SD

Average sunshine days - Aberdeen, SD

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index
Aberdeen, SD

Average UV index - Aberdeen, 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 and November (UV index 1).

Average visibility
Aberdeen, SD

Average visibility - Aberdeen, 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).

Aberdeen, South Dakota, USA

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