Climate and monthly weather forecast
Buffalo, SD

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Weather in January

January, the same as December, in Buffalo, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 14.4°F (-9.8°C) and 27.3°F (-2.6°C). January brings the lowest temperatures, with an average high of 27.3°F (-2.6°C) and an average low of 14.4°F (-9.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Buffalo, South Dakota, with an average temperature varying between 15.3°F (-9.3°C) and 29.1°F (-1.6°C). February's presence marks an average high-temperature of a still subzero cold 29.1°F (-1.6°C), subtly varied from January's 27.3°F (-2.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Buffalo, South Dakota, with an average temperature ranging between min 27°F (-2.8°C) and max 42.6°F (5.9°C). The onset of March marks an increase in the average high-temperature, moving from a subzero cold 29.1°F (-1.6°C) in February to a wintry 42.6°F (5.9°C). Weather in March »

Weather in April

April is a cool spring month in Buffalo, South Dakota, with an average temperature ranging between min 35.1°F (1.7°C) and max 52.9°F (11.6°C). Buffalo, South Dakota, sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 42.6°F (5.9°C) in March to a fresh 52.9°F (11.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Buffalo, South Dakota, with an average temperature ranging between min 45.9°F (7.7°C) and max 64°F (17.8°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's fresh 52.9°F (11.6°C) to an enjoyable 64°F (17.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Buffalo, South Dakota, with an average temperature fluctuating between 55.9°F (13.3°C) and 76.1°F (24.5°C). June brings a temperature increase, with average high-temperatures moving from May's comfortable 64°F (17.8°C) to a moderately hot 76.1°F (24.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Buffalo, South Dakota, with an average temperature varying between 85.1°F (29.5°C) and 63.5°F (17.5°C). July, marked by an average high-temperature of 85.1°F (29.5°C) and a low-temperature of 63.5°F (17.5°C), is the warmest month. For July, the heat index is appraised at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Buffalo, is another warm month, with an average temperature varying between 62.2°F (16.8°C) and 82.9°F (28.3°C). The transition into August shows a subtle variation to a still warm 82.9°F (28.3°C) from July's 85.1°F (29.5°C) in the average high-temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Buffalo, South Dakota, with an average temperature fluctuating between 73.2°F (22.9°C) and 54.5°F (12.5°C). In the transition to September, Buffalo observes a drop in the average high-temperature, moving from a moderately hot 82.9°F (28.3°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, the same as September, in Buffalo, South Dakota, is a moderate autumn month, with an average temperature varying between 39.6°F (4.2°C) and 55.4°F (13°C). October signals a significant shift in the average high-temperature, falling from September's pleasant 73.2°F (22.9°C) to a refreshing 55.4°F (13°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Buffalo, South Dakota, with an average temperature ranging between min 28.2°F (-2.1°C) and max 42.1°F (5.6°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a mild 55.4°F (13°C) in October to a cold 42.1°F (5.6°C). Weather in November »

Weather in December

December, the first month of the winter in Buffalo, is still a freezing cold month, with an average temperature varying between 27.9°F (-2.3°C) and 16°F (-8.9°C). The onset of December is marked by a decrease in temperature, transitioning from a cold 42.1°F (5.6°C) in November to a freezing cold 27.9°F (-2.3°C). Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Buffalo's coldest weather arrives in January, when temperatures average a high of 27.3°F (-2.6°C) and a low of 14.4°F (-9.8°C).

What is the most humid month?

With an average relative humidity of 82%, January is the most humid month in Buffalo.

What is the driest month?

January and November are months with the least rain in Buffalo when the rain falls for 3.3 days and typically aggregates up to 0.51" (13mm) of rain.

How many days does it rain?

In Buffalo, during the entire year, the rain falls for 103.8 days and collects up to 14.88" (378mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Buffalo, during the entire year, snow falls for 62.2 days and aggregates up to 22.95" (583mm) of snow.

What are the months with the least sunshine?

January and February, with an average of 5h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index?

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

When does it snow the most?

The month with the most snowfall is March, when snow falls for 9.9 days and typically aggregates up to 4.37" (111mm) of snow.

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 MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.68" (68mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 36min of daylight.

When is the highest UV index?

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

What month is the hottest?

Buffalo's July weather, marked by an average high temperature of 85.1°F (29.5°C) and an average low temperature of 63.5°F (17.5°C), is the warmest in the year.

What is the least humid month?

August is the least humid month, with an average relative humidity of 47%.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 11.5h of sunshine.

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
Buffalo, SD

Average temperature - Buffalo, SD

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure
Buffalo, SD

Average pressure - Buffalo, SD

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Buffalo, SD

Average wind speed - Buffalo, SD

The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).

Average humidity
Buffalo, SD

Average humidity - Buffalo, SD

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).

Average rainfall
Buffalo, SD

Average rainfall - Buffalo, SD

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").

Average rainfall days
Buffalo, SD

Average rainfall days - Buffalo, SD

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).

Average snowfall
Buffalo, SD

Average snowfall - Buffalo, SD

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Buffalo, SD

Average snowfall days - Buffalo, SD

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Buffalo, SD

Average daylight / Average sunshine - Buffalo, 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 August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

Average sunshine days
Buffalo, SD

Average sunshine days - Buffalo, SD

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).

Average UV index
Buffalo, SD

Average UV index - Buffalo, SD

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

Average visibility
Buffalo, SD

Average visibility - Buffalo, 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).

Buffalo, South Dakota, USA

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