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
The coming of May brings a minor shift in Duncan's weather, with average high-temperatures adjusting from April's agreeable 72.3°F (22.4°C) to a moderately hot 79.3°F (26.3°C). The average temperature during May nights is registered at a refreshing 60.4°F (15.8°C).Humidity
The most humid month is May, with an average relative humidity of 73%.Rainfall
May is the month with the most rainfall in Duncan. Rain falls for 13.5 days and accumulates 4.37" (111mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Duncan, the average length of the day in May is 13h and 59min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:16 pm. On the last day of May, sunrise is at 6:20 am and sunset at 8:38 pm CDT.
Sunshine
The average sunshine in May in Duncan is 9.1h.UV index
In Duncan, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the usual temperature for Duncan in May?
What is the most humid month in Duncan?
What is the average humidity in May in Duncan?
What is the wettest month in Duncan?
How much does it rain in Duncan in May?
When it does not snow in Duncan?
Does it snow in Duncan in May?
How many hours of daylight does Duncan have in May?
When is the sunrise / sunset in May in Duncan?
How many hours of sunshine does Duncan have in May?
What is the UV index intensity in May in Duncan?
Average temperature in May
Duncan, OK
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is August (95°F).
The months with the lowest average high temperature are January and December (51.3°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in May
Duncan, OK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Duncan, OK
- Average wind speed in May: 10.4mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (8.3mph).
Average humidity in May
Duncan, OK
- Average humidity in May: 73%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Duncan, OK
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in May
Duncan, OK
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Duncan, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Duncan, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.8 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
Duncan, OK
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Duncan, OK
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (15.7 days).
Average UV index in May
Duncan, 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
Duncan, OK
- Average cloud cover in May: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Duncan, 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).
Duncan, Oklahoma, USA
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