May weather forecastNuma, IA
May
Weather in May
May, the last month of the spring in Numa, is a pleasant month, with an average temperature ranging between min 53.1°F (11.7°C) and max 69.4°F (20.8°C).Temperature
Numa experiences a temperature shift with the start of May, with average high-temperatures moving from a refreshing 60.4°F (15.8°C) in April to a pleasant 69.4°F (20.8°C). The low-temperature in Numa, Iowa, averages to a fresh 53.1°F (11.7°C) during the nights of May.Humidity
In May, the average relative humidity in Numa, Iowa, is 81%.Rainfall
In Numa, in May, it is raining for 18.2 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 143.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
Months with snowfall in Numa are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Numa aggregates 0.2" (5mm) of snow. Throughout the year, there are 33.2 snowfall days, and 15.31" (389mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:36 pm CDT.
Sunshine
In Numa, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index in Numa is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Numa, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in May
Numa, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Numa, IA
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Numa, IA
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Numa, IA
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Numa, IA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Numa, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Numa, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Numa, IA
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Numa, IA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in May
Numa, 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
Numa, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in May
Numa, IA
- 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).
