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 onset witnesses a shift in the average high-temperature, moving from a mild 58.6°F (14.8°C) in April to a pleasant 69.4°F (20.8°C). In May, Luther encounters an average low-temperature of 52.9°F (11.6°C) during the night.Humidity
In May, the average relative humidity is 76%.Rainfall
May is the month with the most rainfall in Luther, Iowa. Rain falls for 17.5 days and accumulates 4.13" (105mm) of precipitation.Snowfall
Months with snowfall in Luther are January through May, October through December. May is the last month it regularly snows in Luther. During 0.2 snowfall days, in May, Luther aggregates 0.28" (7mm) of snow. Throughout the year, in Luther, there are 36.3 snowfall days, and 13.27" (337mm) of snow is accumulated.Daylight
In Luther, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:14 pm. On the last day of May, in Luther, sunrise is at 5:42 am and sunset at 8:43 pm CDT.
Sunshine
In Luther, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Luther?
What is the average humidity in May in Luther?
What is the rainiest month in Luther?
How much does it rain in Luther in May?
What is the last month it snows in Luther?
How many hours of daylight does Luther have in May?
When is the sunrise / sunset in May in Luther?
How many hours of sunshine does Luther have in May?
How high is the UV index in May in Luther?
Average temperature in May
Luther, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 52.9°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 (13.8°F).
Average pressure in May
Luther, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Luther, 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 July (7mph).
Average humidity in May
Luther, IA
- Average humidity in May: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Luther, IA
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in May
Luther, IA
- Average rainfall days in May: 17.5 days
The months with the highest number of rainy days are May and June (17.5 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Luther, IA
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Luther, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Luther, IA
- Average daylight in May: 14h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Luther, IA
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Luther, 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
Luther, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in May
Luther, 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).
Luther, Iowa, USA
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