May weather forecastMackey, IA
May
Weather in May
May, the last month of the spring in Mackey, is an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 52.5°F (11.4°C).Temperature
Mackey's weather in May presents a rise in the average high-temperature, moving from a moderate 57.7°F (14.3°C) in April to an agreeable 69.3°F (20.7°C). Nighttime temperatures in Mackey, Iowa, hover around an average low of 52.5°F (11.4°C) in May.Humidity
The average relative humidity in May in Mackey is 75%.Rainfall
The month with the most rainfall in Mackey is May, when the rain falls for 19.2 days and typically aggregates up to 4.49" (114mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mackey. May is the last month it regularly snows in Mackey. During 0.3 snowfall days, in May, Mackey aggregates 0.39" (10mm) of snow. In Mackey, during the entire year, snow falls for 45.8 days and aggregates up to 16.85" (428mm) of snow.Daylight
In May, the average length of the day in Mackey is 14h and 36min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:14 pm. On the last day of May, in Mackey, sunrise is at 5:41 am and sunset at 8:44 pm CDT.
Sunshine
The average sunshine in May in Mackey is 8.6h.UV index
In May, the average daily maximum UV index in Mackey is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Keep in mind! Snow's reflective quality 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
Average temperature in May
Mackey, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in May
Mackey, 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
Mackey, 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
Mackey, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Mackey, IA
- Average rainfall in May: 4.49"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Mackey, IA
- Average rainfall days in May: 19.2 days
The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Mackey, IA
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mackey, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mackey, IA
- Average daylight in May: 14h and 36min
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 12min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Mackey, IA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in May
Mackey, 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, October, November and December (UV index 2).
Average cloud cover in May
Mackey, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Mackey, 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).
