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's arrival signals a temperature shift, moving from a refreshing 58.1°F (14.5°C) in April to an agreeable 69.6°F (20.9°C). May generally records an average low-temperature of 52.5°F (11.4°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Pierson, during May, the rain falls for 15.1 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Pierson, during the entire year, the rain falls for 105.4 days and collects up to 15.83" (402mm) of precipitation.Snowfall
In Pierson, snow does not fall in May through September.Daylight
In Pierson, the average length of the day in May is 14h and 38min.On the first day of May in Pierson, sunrise is at 6:16 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:53 pm CDT.
Sunshine
In Pierson, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Pierson in May?
What is the average humidity in May in Pierson?
How much does it rain in Pierson in May?
When it does not snow in Pierson?
Does it snow in Pierson in May?
How many hours of daylight does Pierson have in May?
What time are sunrise and sunset in May in Pierson?
How long on average sun shines in May in Pierson?
What is the UV index reading in May in Pierson?
Average temperature in May
Pierson, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in May
Pierson, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Pierson, IA
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in May
Pierson, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Pierson, IA
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in May
Pierson, IA
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in May
Pierson, IA
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Pierson, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.9 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
Pierson, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Pierson, IA
- Average sunshine days in May: 14 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Pierson, 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
Pierson, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Pierson, 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).
Pierson, Iowa, USA
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