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 Blue Grass's weather, with average high-temperatures moving from April's moderate 58.3°F (14.6°C) to a pleasant 69.4°F (20.8°C). The low-temperature in Blue Grass, Iowa, averages to a cool 53.2°F (11.8°C) during the nights of May.Humidity
The average relative humidity in May in Blue Grass is 78%.Rainfall
The month with the most rainfall in Blue Grass is May, when the rain falls for 19.6 days and typically aggregates up to 5" (127mm) of precipitation.Snowfall
May through September are months without snowfall in Blue Grass, Iowa.Daylight
In Blue Grass, the average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 5:58 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:30 pm CDT.
Sunshine
In Blue Grass, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are the temperatures in Blue Grass in May?
What is the average humidity in May in Blue Grass?
What is the rainiest month in Blue Grass?
How many days does it rain in May in Blue Grass?
When it does not snow in Blue Grass?
Does it snow in Blue Grass in May?
What is the average length of the day in May in Blue Grass?
When is the sunrise / sunset in May in Blue Grass?
How long on average sun shines in May in Blue Grass?
What is the UV index reading in May in Blue Grass?
Average temperature in May
Blue Grass, IA
- Average high temperature in May: 69.4°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 (27.7°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Blue Grass, IA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Blue Grass, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in May
Blue Grass, IA
- Average humidity in May: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Blue Grass, IA
- Average rainfall in May: 5"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
Blue Grass, IA
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in May
Blue Grass, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Blue Grass, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.6 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
Blue Grass, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Blue Grass, IA
- Average sunshine days in May: 8.3 days
The month with the most sunshine days is December (17.4 days).
The months with the least sunshine days are May and June (8.3 days).
Average UV index in May
Blue Grass, IA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Blue Grass, 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 August (Cloud cover 29).
Average visibility in May
Blue Grass, 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).
Blue Grass, Iowa, USA
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