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
With the onset of May, Peterson's weather sees a temperature rise, transitioning from a moderate 56.8°F (13.8°C) in April to a pleasant 68.5°F (20.3°C). Throughout May nights, Peterson experiences a consistent temperature average of 52.2°F (11.2°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. In Peterson, during the entire year, the rain falls for 117 days and collects up to 19.84" (504mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Peterson aggregates 0.04" (1mm) of snow. Throughout the year, there are 36.4 snowfall days, and 10.67" (271mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 40min.On the first day of May, sunrise is at 6:14 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:53 pm CDT.
Sunshine
In May, the average sunshine in Peterson 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 average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Peterson in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Peterson have in May?
How high is the UV index in May?
Average temperature in May
Peterson, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in May: 52.2°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°F).
Average pressure in May
Peterson, 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
Peterson, IA
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in May
Peterson, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in May
Peterson, IA
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Peterson, IA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Peterson, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Peterson, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Peterson, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Peterson, IA
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Peterson, 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
Peterson, 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 28).
Average visibility in May
Peterson, 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).
Peterson, Iowa, USA
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