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 arrival of May brings a change in Hayfield Junction's weather, with average high-temperatures moving from April's 55.6°F (13.1°C) to a still refreshing 67.8°F (19.9°C). Hayfield Junction's temperature drops to an average low of 51.4°F (10.8°C) during the nights of May.Humidity
The average relative humidity in May is 73%.Rainfall
In May, the rain falls for 11.3 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 80.2 rainfall days, and 6.14" (156mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hayfield Junction are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Hayfield Junction aggregates 0.12" (3mm) of snow. Throughout the year, there are 36.9 snowfall days, and 3.31" (84mm) of snow is accumulated.Daylight
In Hayfield Junction, the average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 6:06 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:46 pm CDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Hayfield Junction, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Hayfield Junction have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Hayfield Junction have in May?
What is the UV index reading in May?
Average temperature in May
Hayfield Junction, IA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in May
Hayfield Junction, 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
Hayfield Junction, IA
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Hayfield Junction, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Hayfield Junction, IA
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is January (0.2").
Average rainfall days in May
Hayfield Junction, IA
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is June (12 days).
The months with the least rainy days are January and February (1.7 days).
Average snowfall in May
Hayfield Junction, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hayfield Junction, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hayfield Junction, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Hayfield Junction, IA
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in May
Hayfield Junction, 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 and December (UV index 1).
Average cloud cover in May
Hayfield Junction, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Hayfield Junction, 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).
Hayfield Junction, Iowa, USA
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