May weather forecastNorman, AR
May
Weather in May
May, the last month of the spring in Norman, is a warm month, with an average temperature varying between 59.4°F (15.2°C) and 78.4°F (25.8°C).Temperature
As May arrives, Norman's weather shows a minor increase in high-temperatures, edging from April's agreeable 70.3°F (21.3°C) to a warm 78.4°F (25.8°C). Norman observes an average nighttime temperature of 59.4°F (15.2°C) during May.Humidity
In Norman, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 16 days and accumulates 4.76" (121mm) of precipitation.Snowfall
In Norman, snow does not fall in April through October.Daylight
In May, the average length of the day is 13h and 59min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:59 pm. On the last day of May, in Norman, sunrise is at 6:03 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Norman, AR
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in May: 59.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in May
Norman, AR
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Norman, AR
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Norman, AR
- Average humidity in May: 78%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, August, September and October (73%).
Average rainfall in May
Norman, AR
- Average rainfall in May: 4.76"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in May
Norman, AR
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in May
Norman, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Norman, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Norman, AR
- 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: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Norman, AR
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in May
Norman, AR
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Norman, AR
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in May
Norman, AR
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





