May weather forecastArthur, IA
May
Weather in May
May, the last month of the spring in Arthur, is an agreeable month, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.3°F (11.3°C).Temperature
In Arthur, the average high-temperature in May increases from a mild 57.9°F (14.4°C) in April to a pleasant 69.4°F (20.8°C). Throughout the month of May, Arthur sees a steady low-temperature average of 52.3°F (11.3°C).Humidity
In Arthur, the average relative humidity in May is 70%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.57" (40mm) of precipitation.Snowfall
In Arthur, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 37min.On the first day of May, sunrise is at 6:15 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:51 pm CDT.
Sunshine
In Arthur, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Arthur, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in May
Arthur, 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 (29.87"Hg).
Average wind speed in May
Arthur, IA
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in May
Arthur, IA
- Average humidity in May: 70%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in May
Arthur, IA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Arthur, IA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in May
Arthur, IA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Arthur, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.7 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
Arthur, 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 6min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Arthur, IA
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in May
Arthur, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Arthur, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Arthur, 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).
