May weather forecast
Bluffton, GA

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Weather in May

May, the last month of the spring in Bluffton, is also a moderately hot month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 83.8°F (28.8°C).

Temperature

In May, the average high-temperature marginally rises from 77°F (25°C) in April to a still moderately hot 83.8°F (28.8°C). During the month of May, the temperature falls to an average of 64.9°F (18.3°C).

Heat index

For May, the heat index is appraised at a hot 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In May, the average relative humidity is 70%.

Rainfall

In Bluffton, in May, it is raining for 14.1 days, with typically 2.64" (67mm) of accumulated precipitation. In Bluffton, during the entire year, the rain falls for 163.9 days and collects up to 31.73" (806mm) of precipitation.

Snowfall

In Bluffton, snow does not fall in March through December.

Daylight

In Bluffton, the average length of the day in May is 13h and 46min.
On the first day of the month, sunrise is at 6:53 am and sunset at 8:19 pm. On the last day of May, sunrise is at 6:35 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in May is 10.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

Is it hot during May?

In Bluffton, 83.8°F (28.8°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the average humidity in May?

In May, the average relative humidity is 70%.

How many days does it rain in May?

In Bluffton, in May, during 14.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow?

March through December are months without snowfall in Bluffton.

How many hours of daylight does Bluffton have in May?

In Bluffton, the average day length in May is 13h and 46min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:53 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:39 pm EDT.

How many hours of sunshine does Bluffton have in May?

The average sunshine duration in May is 10.6h.

When is the highest UV index?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bluffton, GA

Average temperature in May - Bluffton, GA
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (57.7°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in May
Bluffton, GA

Average pressure in May - Bluffton, GA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in May
Bluffton, GA

Average wind speed in May - Bluffton, GA
  • Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in May
Bluffton, GA

Average humidity in May - Bluffton, GA
  • Average humidity in May: 70%

The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Bluffton, GA

Average rainfall in May - Bluffton, GA
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is November (1.57").

Average rainfall days in May
Bluffton, GA

Average rainfall days in May - Bluffton, GA
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in May
Bluffton, GA

Average snowfall in May - Bluffton, GA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Bluffton, GA

Average snowfall days in May - Bluffton, GA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Bluffton, GA

Average daylight in May / Average sunshine in May - Bluffton, GA
  • Average daylight in May: 13h and 5min

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 May: 10h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Bluffton, GA

Average sunshine days in May - Bluffton, GA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (7.1 days).

Average UV index in May
Bluffton, GA

Average UV index in May - Bluffton, GA
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Bluffton, GA

Average cloud cover in May - Bluffton, GA
  • Average cloud cover in May: 28

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in May
Bluffton, GA

Average visibility in May - Bluffton, GA
  • Average visibility in May: 6mi

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).

Bluffton, Georgia, USA

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