Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset brings a minor rise in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in April to a moderately hot 76.5°F (24.7°C). Grayson usually reports an average low-temperature of 59.9°F (15.5°C) during the month of May.Humidity
With an average relative humidity of 80%, May is the most humid month in Grayson, Oklahoma.Rainfall
The month with the most rainfall in Grayson is May, when the rain falls for 15.5 days and typically aggregates up to 5" (127mm) of precipitation.Snowfall
In Grayson, snow does not fall in May through October.Daylight
In Grayson, the average length of the day in May is 14h and 3min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:10 pm. On the last day of May, in Grayson, sunrise is at 6:09 am and sunset at 8:33 pm CDT.
Sunshine
In Grayson, the average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index in Grayson, Oklahoma, is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average May temperature in Grayson?
What is the most humid month in Grayson?
What is the average humidity in May in Grayson?
What is the rainiest month in Grayson?
How much does it rain in Grayson in May?
When it does not snow in Grayson?
Does it snow in Grayson in May?
How many hours of daylight does Grayson have in May?
When are sunrise and sunset in May in Grayson?
How many hours of sunshine does Grayson have in May?
How high is the UV index in May in Grayson?
Average temperature in May
Grayson, OK
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in May: 59.9°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in May
Grayson, OK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Grayson, OK
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Grayson, OK
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
Grayson, OK
- Average rainfall in May: 5"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in May
Grayson, OK
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Grayson, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Grayson, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The 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, OK
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Grayson, OK
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in May
Grayson, OK
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Grayson, OK
- Average cloud cover in May: 38
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Grayson, OK
- 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).
Grayson, Oklahoma, USA
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