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
The start of May is characterized by an increase in the average high-temperature, transitioning from a refreshing 56.8°F (13.8°C) in April to a pleasant 69.1°F (20.6°C). During the month of May, Pioneer anticipates a mean low-temperature of 52.5°F (11.4°C).Humidity
In Pioneer, the average relative humidity in May is 71%.Rainfall
In May, in Pioneer, the rain falls for 17.1 days. Throughout May, 3.43" (87mm) of precipitation is accumulated. Throughout the year, there are 130.6 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pioneer are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Pioneer 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 in Pioneer is 14h and 38min.On the first day of May, sunrise is at 6:10 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:48 pm CDT.
Sunshine
In Pioneer, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May 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: In May, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in May in Pioneer?
What is the average humidity in May in Pioneer?
How much does it rain in Pioneer in May?
What is the last month it snows in Pioneer?
What is the average length of the day in May in Pioneer?
When are sunrise and sunset in May in Pioneer?
How many hours of sunshine does Pioneer have in May?
What is the UV index intensity in May in Pioneer?
Average temperature in May
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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
Pioneer, 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).
Pioneer, Iowa, USA
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