May weather forecast and climate
Grayson, AL

Weather in May

The last month of the spring, May, is a warm month in Grayson, Alabama, with average temperature fluctuating between 59.9°F (15.5°C) and 79.2°F (26.2°C).

Temperature

In May, the average high-temperature slightly increases, from an agreeable 70.7°F (21.5°C) in April, to a moderately hot 79.2°F (26.2°C). The average low-temperature, in Grayson, is 59.9°F (15.5°C).

Humidity

In May, the average relative humidity in Grayson is 77%.

Rainfall

In Grayson, during 16.8 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 176.4 rainfall days, and 43.19" (1097mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Grayson, the average length of the day is 14h.

Sunshine

The average sunshine is 9.5h.

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 health hazard from the 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. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Grayson?

The average high-temperature, in May, in Grayson, is 79.2°F (26.2°C), while the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in May in Grayson?

In Grayson, Alabama, the average relative humidity in May is 77%.

How much does it rain in Grayson in May?

In May, in Grayson, Alabama, the rain falls for 16.8 days. Throughout May, 3.39" (86mm) of precipitation is accumulated.

When it does not snow in Grayson?

April through October are months without snowfall in Grayson.

How many hours of daylight does Grayson have in May?

The average length of the day in May in Grayson, Alabama, is 14h.

How many hours of sunshine does Grayson have in May?

In Grayson, the average sunshine in May is 9.5h.

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

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

What is the UV index intensity 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 unsafe exposure to the Sun's UV rays.

Average temperature in May
Grayson, AL

Average temperature in May - Grayson, AL
  • Average high temperature in May: 79.2°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in May: 59.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in May
Grayson, AL

Average pressure in May - Grayson, AL
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.97").

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Average wind speed in May
Grayson, AL

Average wind speed in May - Grayson, AL
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

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Average humidity in May
Grayson, AL

Average humidity in May - Grayson, AL
  • Average humidity in May: 77%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Grayson, AL

Average rainfall in May - Grayson, AL
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.36").

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Average rainfall days in May
Grayson, AL

Average rainfall days in May - Grayson, AL
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.6 days).

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Average snowfall in May
Grayson, AL

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

The month with the highest snowfall is February (0.63").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Grayson, AL

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

The month with the highest number of snowfall days is February (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Grayson, AL

Average daylight in May / Average sunshine in May - Grayson, AL
  • Average daylight in May: 14h

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: 9.5h

Months with the most sunshine are June and July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in May
Grayson, AL

Average sunshine days in May - Grayson, AL
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in May
Grayson, AL

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

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

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Average cloud cover in May
Grayson, AL

Average cloud cover in May - Grayson, AL
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in May
Grayson, AL

Average visibility in May - Grayson, AL
  • 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).

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