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 arrival sees a rise in the average high-temperature, jumping from April's mild 60.1°F (15.6°C) to a pleasant 69.4°F (20.8°C). An average nighttime temperature of 52.7°F (11.5°C) is noted during the month of May.Humidity
In Lucas, the average relative humidity in May is 81%.Rainfall
In Lucas, in May, it is raining for 16.7 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, there are 131.1 rainfall days, and 25.71" (653mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Lucas. During 0.3 snowfall days, in May, Lucas aggregates 0.28" (7mm) of snow. In Lucas, during the entire year, snow falls for 33.4 days and aggregates up to 13.54" (344mm) of snow.Daylight
In May, the average length of the day in Lucas, Iowa, is 14h and 30min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:11 pm. On the last day of May, in Lucas, sunrise is at 5:43 am and sunset at 8:39 pm CDT.
Sunshine
In Lucas, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Lucas, Iowa, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in May in Lucas?
What is the average humidity in May in Lucas?
How many days does it rain in May in Lucas?
What is the last month it snows in Lucas?
How many hours of daylight does Lucas have in May?
When are sunrise and sunset in May in Lucas?
How many hours of sunshine does Lucas have in May?
How high is the UV index in May in Lucas?
Average temperature in May
Lucas, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Lucas, 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 (29.89"Hg).
Average wind speed in May
Lucas, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Lucas, IA
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Lucas, IA
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Lucas, IA
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
Lucas, IA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lucas, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lucas, 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 18min).
- Average sunshine in May: 8h and 3min
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 12min).
Average sunshine days in May
Lucas, IA
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Lucas, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Lucas, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Lucas, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Lucas, Iowa, USA
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