May weather forecastNewport, IA
May
Weather in May
May, the last month of the spring in Newport, is a pleasant month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 52.5°F (11.4°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a mild 58.3°F (14.6°C) in April to an agreeable 69.4°F (20.8°C). In the month of May, the average temperature dips to a fresh 52.5°F (11.4°C) during the night.Humidity
In Newport, Iowa, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 4.41" (112mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Newport, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:33 pm CDT.
Sunshine
The average sunshine in May in Newport is 8.7h.UV index
In Newport, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Newport, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
Newport, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Newport, IA
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
Newport, IA
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Newport, IA
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in May
Newport, IA
- Average rainfall days in May: 17 days
The months with the highest number of rainy days are May and June (17 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Newport, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Newport, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Newport, IA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Newport, IA
- Average sunshine days in May: 11.3 days
The months with the most sunshine days are October, November and December (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Newport, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Newport, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Newport, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





