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
May brings a temperature increase, with average high-temperatures moving from April's refreshing 56.8°F (13.8°C) to a pleasant 68.2°F (20.1°C). During May, the temperature in Morrison, Iowa, tends to dip to an average of 52°F (11.1°C) at night.Humidity
The average relative humidity in May is 77%.Rainfall
The month with the most rainfall in Morrison is May, when the rain falls for 19.4 days and typically aggregates up to 4.76" (121mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Morrison. May is the last month it regularly snows. During 0.2 snowfall days, in May, Morrison aggregates 0.39" (10mm) of snow. In Morrison, during the entire year, snow falls for 47.7 days and aggregates up to 19.02" (483mm) of snow.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:10 pm. On the last day of May, in Morrison, Iowa, sunrise is at 5:36 am and sunset at 8:40 pm CDT.
Sunshine
In Morrison, the average sunshine in May is 8.6h.UV index
In Morrison, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the average May temperature in Morrison?
What is the average humidity in May in Morrison?
What is the rainiest month in Morrison?
How many days does it rain in May in Morrison?
What is the last month it snows in Morrison?
What is the average length of the day in May in Morrison?
When are sunrise and sunset in May in Morrison?
How many hours of sunshine does Morrison have in May?
What is the UV index reading in May in Morrison?
Average temperature in May
Morrison, IA
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Morrison, IA
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Morrison, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Morrison, IA
- Average humidity in May: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Morrison, IA
- Average rainfall in May: 4.76"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in May
Morrison, IA
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in May
Morrison, IA
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Morrison, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Morrison, IA
- Average daylight in May: 14h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Morrison, IA
- Average sunshine days in May: 9.6 days
The months with the most sunshine days are October and November (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in May
Morrison, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Morrison, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Morrison, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Morrison, Iowa, USA
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