May weather forecastDuncan, NE
May
Weather in May
May, the last month of the spring in Duncan, is an agreeable month, with an average temperature fluctuating between 70.3°F (21.3°C) and 52.7°F (11.5°C).Temperature
With the transition into May, Duncan experiences an increase in average high-temperatures, moving up from a mild 60.3°F (15.7°C) in April to a pleasant 70.3°F (21.3°C). May in Duncan generally records an average low-temperature of 52.7°F (11.5°C).Humidity
In Duncan, the average relative humidity in May is 69%.Rainfall
The month with the most rainfall in Duncan is May, when the rain falls for 15.6 days and typically aggregates up to 2.95" (75mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Duncan. May is the last month it regularly snows. During 0.2 snowfall days, in May, Duncan aggregates 0.12" (3mm) of snow. In Duncan, during the entire year, snow falls for 30.4 days and aggregates up to 12.05" (306mm) of snow.Daylight
In Duncan, Nebraska, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:28 pm. On the last day of May, sunrise is at 5:58 am and sunset at 8:56 pm CDT.
Sunshine
In Duncan, Nebraska, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index in Duncan is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Duncan, NE
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Duncan, NE
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Duncan, NE
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in May
Duncan, NE
- Average humidity in May: 69%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (63%).
Average rainfall in May
Duncan, NE
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in May
Duncan, NE
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Duncan, NE
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Duncan, NE
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Duncan, NE
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Duncan, NE
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Duncan, NE
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Duncan, NE
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Duncan, NE
- 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).
