Climate and monthly weather forecastBluffton, SC

Climate and monthly weather forecast
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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Bluffton, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
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).
Average wind speed
Bluffton, SC
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
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).
Average humidity
Bluffton, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall
Bluffton, SC
- Average rainfall in January:
1.02" - Average rainfall in February:
1.22" - Average rainfall in March:
1.46" - Average rainfall in April:
2.13" - Average rainfall in May:
2.09" - Average rainfall in June:
3.94"
- Average rainfall in July:
4.17" - Average rainfall in August:
6.06" - Average rainfall in September:
3.78" - Average rainfall in October:
2.68" - Average rainfall in November:
1.42" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (6.06").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days
Bluffton, SC
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
21.2 days
- Average rainfall days in July:
23.4 days - Average rainfall days in August:
25 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.5 days
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).
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").
Average snowfall days
Bluffton, SC
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
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).
Average daylight / Average sunshine
Bluffton, SC
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
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).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 42min
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).
Average sunshine days
Bluffton, SC
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
17.4 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
6.8 days
- Average sunshine days in July:
4.5 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
8.3 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.8 days).
Average UV index
Bluffton, SC
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Bluffton, SC
The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are June and July (Cloud cover 25).
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).





