May weather forecast and climate
Grayson, GA

May, the last month of the spring, in Grayson, is a warm month, with average temperature ranging between max 80.2°F (26.8°C) and min 60.8°F (16°C).

Temperature

In Grayson, the average high-temperature in May marginally rises, from a pleasant 72.7°F (22.6°C) in April, to a warm 80.2°F (26.8°C). The average low-temperature, in May, is 60.8°F (16°C).

Humidity

In Grayson, the average relative humidity is 72%.

Rainfall

In Grayson, during May, the rain falls for 15.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 27.32" (694mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Grayson, Georgia.

Daylight

In Grayson, the average length of the day in May is 13.9h.

Sunshine

In May, the average sunshine is 9.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Grayson?

In Grayson, in May, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 60.8°F (16°C).

What is the average humidity in May in Grayson?

In Grayson, the average relative humidity in May is 72%.

How many days does it rain in May in Grayson?

In Grayson, during May, the rain falls for 15.3 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Grayson?

In Grayson snow does not fall in April through October.

What is the average length of the day in May in Grayson?

The average length of the day in May in Grayson is 13.9h.

How long on average sun shines in May in Grayson?

The average sunshine in May in Grayson, Georgia, is 9.7h.

What is the month with the highest UV index in Grayson?

Months with the highest UV index in Grayson, Georgia, are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Grayson?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in May - Grayson, GA
  • Average high temperature in May: 80.2°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 (49.8°F).

  • Average low temperature in May: 60.8°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

Average pressure in May - Grayson, GA
  • Average pressure in May: 30.03"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.99").

Average wind speed in May - Grayson, GA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in May - Grayson, GA
  • Average humidity in May: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in May - Grayson, GA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.46").

Average rainfall days in May - Grayson, GA
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is July (18.8 days).
Months with the least rainy days are October and November (9.4 days).

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

The month with the highest snowfall is February (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

Months with the highest number of snowfall days are January and February (0.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Grayson, GA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 9.7h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5h).

Average sunshine days in May - Grayson, GA
  • Average sunshine days in May: 14 days

The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in May - Grayson, GA
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May - Grayson, GA
  • Average cloud cover in May: 34

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).