Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Arnold's weather shows a temperature rise with the arrival of May, moving from a mild 56.8°F (13.8°C) in April to a pleasant 69.1°F (20.6°C). Throughout May, Arnold encounters an average temperature drop to a cool 52.5°F (11.4°C).Humidity
In Arnold, the average relative humidity in May is 71%.Rainfall
In May, in Arnold, the rain falls for 17.1 days. Throughout May, 3.43" (87mm) of precipitation is accumulated. In Arnold, during the entire year, the rain falls for 130.6 days and collects up to 25" (635mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Arnold, Iowa. During 0.3 snowfall days, in May, Arnold aggregates 0.28" (7mm) of snow. Throughout the year, there are 41.2 snowfall days, and 18.11" (460mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 40min.On the first day of May in Arnold, sunrise is at 6:09 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:48 pm CDT.
Sunshine
In Arnold, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index in Arnold, Iowa, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are the temperatures in Arnold in May?
What is the average humidity in May in Arnold?
How many days does it rain in May in Arnold?
What is the last month it snows in Arnold?
What is the average length of the day in May in Arnold?
What time are sunrise and sunset in May in Arnold?
How long on average sun shines in May in Arnold?
What is the UV index reading in May in Arnold?
Average temperature in May
Arnold, IA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Arnold, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Arnold, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in May
Arnold, IA
- Average humidity in May: 71%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Arnold, IA
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Arnold, IA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Arnold, IA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Arnold, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arnold, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Arnold, IA
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Arnold, 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, February, November and December (UV index 2).
Average cloud cover in May
Arnold, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in May
Arnold, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Arnold, Iowa, USA
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