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
Lester in May experiences an increase in the average high-temperature, moving from April's moderate 55.4°F (13°C) to an enjoyable 67.6°F (19.8°C). Lester experiences an average nighttime temperature of 50.9°F (10.5°C) in the month of May.Humidity
The average relative humidity in May in Lester is 69%.Rainfall
In Lester, in May, during 16 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Lester, during the entire year, the rain falls for 119.2 days and collects up to 22.13" (562mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lester aggregates 0.24" (6mm) of snow. In Lester, during the entire year, snow falls for 48.3 days and aggregates up to 19.29" (490mm) of snow.Daylight
The average length of the day in May is 14h and 43min.On the first day of May, sunrise is at 6:16 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:58 pm CDT.
Sunshine
In Lester, Iowa, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average May temperature in Lester?
What is the average humidity in May in Lester?
How much does it rain in Lester in May?
What is the last month it snows in Lester?
How many hours of daylight does Lester have in May?
What time are sunrise and sunset in May in Lester?
How many hours of sunshine does Lester have in May?
How high is the UV index in May in Lester?
Average temperature in May
Lester, IA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in May
Lester, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Lester, IA
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Lester, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Lester, IA
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Lester, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in May
Lester, IA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lester, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lester, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Lester, IA
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Lester, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Lester, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Lester, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Lester, Iowa, USA
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