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 onset of May brings a rise in the average high-temperature, elevating from a fresh 54.9°F (12.7°C) in April to a comfortable 67.5°F (19.7°C). The low-temperature in Leland averages to a fresh 51.4°F (10.8°C) during the nights of May.Humidity
The average relative humidity in May is 72%.Rainfall
In May, in Leland, the rain falls for 18.3 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. In Leland, during the entire year, the rain falls for 136.2 days and collects up to 25.39" (645mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Leland aggregates 0.43" (11mm) of snow. Throughout the year, in Leland, there are 55.1 snowfall days, and 22.05" (560mm) of snow is accumulated.Daylight
The average length of the day in May in Leland is 14h and 43min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:47 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index in Leland is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Leland?
What is the average humidity in May in Leland?
How many days does it rain in May in Leland?
What is the last month it snows in Leland?
How many hours of daylight does Leland have in May?
When are sunrise and sunset in May in Leland?
How long on average sun shines in May in Leland?
What is the UV index reading in May in Leland?
Average temperature in May
Leland, IA
- Average high temperature in May: 67.5°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 (22.1°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Leland, 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
Leland, IA
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Leland, IA
- Average humidity in May: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Leland, IA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Leland, IA
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Leland, IA
- Average snowfall in May: 0.43"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Leland, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Leland, 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 0min).
- Average sunshine in May: 8h and 3min
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 30min).
Average sunshine days in May
Leland, IA
- Average sunshine days in May: 10.8 days
The months with the most sunshine days are October and November (17.4 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in May
Leland, 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
Leland, 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
Leland, IA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Leland, Iowa, USA
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