Climate and monthly weather forecast
Bluffton, SC

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The iconic historic Church of the Cross in Bluffton, South Carolina, set in a beautiful garden park
The iconic historic Church of the Cross in Bluffton, South Carolina, set in a beautiful garden park

The climate of Bluffton

Honoring the Köppen climate classification, the climatic condition in Bluffton, South Carolina, United States, is noted as humid subtropical, characterized by a no dry season trend. Occupying a strategic geographic position, Bluffton sees a wide array of weather occurrences throughout the year.

A keen analysis of the provided data reveals corresponding fluctuation in weather parameters all year round. Ranging from 57.4°F (14.1°C) in January to 87.6°F (30.9°C) in July, the average high temperature consistently hovers between 57.4°F (14.1°C) and 87.6°F (30.9°C). On the contrary, the average low temperature floats within the range of 46°F (7.8°C) to 77.9°F (25.5°C), with the coldest temperatures recorded in January and the warmest in July.

Bluffton is subjected to considerable precipitation, from a low of 1.02" (26mm) in January to a peak of 6.06" (154mm) in August. The humidity level stays reasonably constant between 72% and 77% offering a perennial moist environment. A considerable daylight range spanning from 10.1 hours in the colder months to 14.2 hours during the warm season provides sufficient sunlight. However, this does not translate into clear skies as the cloudiness hovers around 25% to 38%.

The best time to visit Bluffton

Observing the climatic records, the best time to explore the natural beauty of Bluffton would be between April and June. Within this timeframe, the weather is notably stable, with average high temperatures floating from 72.9°F (22.7°C) to 85.6°F (29.8°C). Rainfall during this period stays at a moderate level between 2.13" (54mm) and 3.94" (100mm), which translates to relatively fewer rainy days. Additionally, lengthy daylight hours between 13 and 14.2 hours accompanied by sunshine duration between 9.9 hours and 11 hours ensure much time for outdoor activities.

The worst time to visit Bluffton

A review of weather parameters identifies August as the least hospitable month to visit Bluffton. The city experiences its highest rainfall in August, with a high of 6.06" (154mm). The dramatic precipitation coincides with high humidity levels of 76%, leading to muggy conditions. Moreover, despite long daylight hours, actual sunshine hours remain low at around 10.8 hours due to significant cloud cover.

Spring weather in Bluffton

Spring in Bluffton, from March to May, carries an assortment of weather conditions. During this time, temperatures climb from an average high of 65.8°F (18.8°C) in March to 79.2°F (26.2°C) in May. The low-range temperatures increase steadily from 54.1°F (12.3°C) to 68.9°F (20.5°C). Rainfall averages also ascend from 1.46" (37mm) to 2.09" (53mm), while the number of rainy days also increases. The daylight duration rises from 12 hours in March to 13.8 hours by May end, with a corresponding increase in sunshine hours.

Summer weather in Bluffton

Summer, stretching from June to August, is characterized by hot and humid conditions in Bluffton. Average high temperatures soar to 87.1°F (30.6°C) by July and August remains equally hot. Night temperatures remain high, offering little respite. Rainfall reaches a peak of 6.06" (154mm) in August, with an increased number of rainy days. However, sunlight hours remain consistent despite increased cloud cover.

Autumn weather in Bluffton

In Bluffton, Autumn runs from September to November. During this period, temperatures gradually cool down from an average high of 83.3°F (28.5°C) in September to 66.4°F (19.1°C) in November. Rainfall levels retract from 3.78" (96mm) to 1.42" (36mm) over these months, making it a relatively drier season. As Autumn progresses, daylight and sunshine hours decrease, reaching 10.5 hours and 6.2 hours, respectively.

Winter weather in Bluffton

Winter in Bluffton, from December to February, is relatively mild with average high temperatures hovering between 57.4°F (14.1°C) and 61.5°F (16.4°C). Low temperatures reach down to 46°F (7.8°C) in January, the coldest month. Humidity levels rise to 77% in December, making the winter season slightly humid. Despite these conditions, winter days in Bluffton receive considerable daylight, looming around 10.3 hours day average, but with less intense sunshine averaging 5.8 hours in December.

Weather in January

In Bluffton, South Carolina, the beginning of the new year is a blend of moderate temperatures and contrasting weather conditions. The low temperatures, ranging from 46°F (7.8°C), are gradually replaced by higher ones, hitting 57.4°F (14.1°C). Weather in January »

Weather in February

As Bluffton transitions to February, its weather shifts ever so slightly, making this month's conditions similar to January. With temperatures ranging now from 48.9°F (9.4°C) to 60.4°F (15.8°C), the winter chill recedes gradually, paving the way for spring. Weather in February »

Weather in March

With March's arrival, temperatures in Bluffton start transitioning towards a balmy climate, an early sign of the forthcoming spring. The notable values of temperature, hovering between 54.1°F (12.3°C) and 65.8°F (18.8°C), witness a significant increase, and so does the rainfall, which now measures 1.46" (37mm). Weather in March »

Weather in April

Bluffton ushers in April with heightened temperatures and increased rainfall. The month establishes a clear move towards warmer weather, with temperatures fluctuating between 61.3°F (16.3°C) and 72.9°F (22.7°C) on average. Accompanying the increasing warmth, April's climatological report reads a high rainfall volume of 2.13" (54mm). Weather in April »

Weather in May

With May comes the official commencement of the warm season in Bluffton, boasting a distinctive shift in weather. As the temperature now swings between 68.9°F (20.5°C) and 79.2°F (26.2°C), the environment becomes increasingly welcoming for outdoor excursions. Weather in May »

Weather in June

Bluffton's climate in June approaches its peak summer phase, with notable inclines in temperature and humidity. The increasing warmth is evident with the temperature scale ranging from 75.6°F (24.2°C) up to 85.6°F (29.8°C). Simultaneously, the weather report records a significant leap in rainfall volume, reaching an annual high of 3.94" (100mm). Weather in June »

Weather in July

July is the zenith of summer in Bluffton, characterized by high temperatures and plenty of rainfall. The thermometer readings, spanning from 77.9°F (25.5°C) to a high of 87.6°F (30.9°C), further underpin the season's peak. In terms of precipitation, the area receives an annual maximum rainfall of 4.17" (106mm). Weather in July »

Weather in August

As August rolls in, Bluffton's weather makes a subtle shift from July's extreme conditions. Incidentally, the mercury still lingers between high temperatures of 77.5°F (25.3°C) and 87.1°F (30.6°C). This month, Bluffton encounters the highest annual rainfall, a substantial 6.06" (154mm). Weather in August »

Weather in September

September in Bluffton, South Carolina, signals the advent of the transition period from summer to fall. Compared to August, temperatures now begin to decline, with the marks set between 74.1°F (23.4°C) and 83.3°F (28.5°C). Weather in September »

Weather in October

October presents a more pronounced shift towards cooler temperatures in Bluffton, South Carolina. Temperature readings now lie between 65.3°F (18.5°C) and 75.9°F (24.4°C), as the fall season graces the town. The precipitation decreases further to a more comfortable 2.68" (68mm). Weather in October »

Weather in November

November ushers in a predominantly cooler climate, as Bluffton prepares for winter. Average temperature measurements shift to cooler readings spanning from 55.2°F (12.9°C) to 66.4°F (19.1°C). Equally, the rainfall encounters a significant drop to 1.42" (36mm). Weather in November »

Weather in December

December is marked by cooler temperatures, as winter firmly settles in Bluffton. Now the thermometer reflects readings between 50.9°F (10.5°C) and 61.5°F (16.4°C), clearly indicating the winter season's onset. Correspondingly, rainfall increases slightly to 2.32" (59mm), providing a touch of moisture to the cold air. Weather in December »
Resources | Updated: Feb 13, 2024 | Published by: Weather Atlas

Frequently asked questions

What part of the year is the coldest in Bluffton?

In Bluffton, January records the average lowest temperatures, peaking at 57.4°F (14.1°C) and reaching a low of 46°F (7.8°C).

What is the least humid month in Bluffton?

The least humid month is January, with an average relative humidity of 72%.

What is the driest month in Bluffton?

January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 1.02" (26mm) of precipitation.

How much does it rain in Bluffton?

Throughout the year, in Bluffton, South Carolina, there are 175.3 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

When does it snow in Bluffton?

January is the only month when snow falls in Bluffton, South Carolina.

When does it snow the most in Bluffton?

The month with the most snowfall in Bluffton is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

How many days does it snow in Bluffton?

In Bluffton, South Carolina, during the entire year, snow falls for 0.2 days and aggregates up to 0.04" (1mm) of snow.

When is the lowest UV index in Bluffton?

With an average maximum UV index of 3, January is the month with the lowest UV index in Bluffton, South Carolina.

When it does not snow in Bluffton?

February through December are months without snowfall in Bluffton, South Carolina.

When is Daylight Saving Time (DST) in Bluffton?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bluffton, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the months with the highest UV index in Bluffton?

The months with the highest UV index in Bluffton, South Carolina, are May through August, with an average maximum UV index of 7.

When are the longest days in Bluffton?

June has the longest days of the year, with an average of 14h and 12min of daylight.

What is the month with the most sunshine in Bluffton?

June and July, with an average of 11h of sunshine, are months with the most sunshine in Bluffton, South Carolina.

What are the warmest months in Bluffton?

Bluffton's July weather, marked by an average high temperature of 87.6°F (30.9°C) and an average low temperature of 77.9°F (25.5°C), is the warmest in the year.

What is the rainiest month in Bluffton?

The month with the most rainfall is August, when the rain falls for 25 days and typically aggregates up to 6.06" (154mm) of precipitation.

What is the most humid month in Bluffton?

With an average relative humidity of 77%, December is the most humid month in Bluffton.

What is the month with the shortest days in Bluffton?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the month with the least sunshine in Bluffton?

December has the least sunshine of the year in Bluffton, with an average of 5.7h of sunshine.

Average temperature
Bluffton, SC

Average temperature - Bluffton, SC

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.4°F).

The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (46°F).

[Resources]

Average pressure
Bluffton, SC

Average pressure - Bluffton, SC

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed
Bluffton, SC

Average wind speed - Bluffton, SC

The windiest months (with the highest average wind speed) are January, March and April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average rainfall
Bluffton, SC

Average rainfall - Bluffton, SC

The wettest month (with the highest rainfall) is August (6.06").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days
Bluffton, SC

Average rainfall days - Bluffton, SC

The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Bluffton, SC

Average snowfall - Bluffton, SC

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days
Bluffton, SC

Average snowfall days - Bluffton, SC

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight / Average sunshine
Bluffton, SC

Average daylight / Average sunshine - Bluffton, SC

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days
Bluffton, SC

Average sunshine days - Bluffton, SC

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.8 days).

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Average visibility
Bluffton, SC

Average visibility - Bluffton, SC

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).

[Resources]

Bluffton, South Carolina, USA

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