Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
With the arrival of June, the average high-temperature transitions from a comfortable 67.6°F (19.8°C) in May to a moderately hot 77.5°F (25.3°C). June's nights observe an average temperature of 60.4°F (15.8°C).Humidity
In June, the average relative humidity is 76%.Rainfall
The month with the most rainfall is June, when the rain falls for 17.3 days and typically aggregates up to 3.43" (87mm) of precipitation.Snowfall
In Lester, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 24min of daylight.On the first day of the month, sunrise is at 5:46 am and sunset at 8:59 pm. On the last day of June, sunrise is at 5:48 am and sunset at 9:10 pm CDT.
Sunshine
In Lester, the average sunshine in June is 9.9h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are June temperatures?
What is the average humidity in June?
What is the rainiest month?
How much does it rain in Lester in June?
When it does not snow?
Does it snow in June?
When are the longest days in Lester?
How many hours of daylight does Lester have in June?
What time are sunrise and sunset in June?
How long on average sun shines in June?
What is the month with the highest UV index?
What is the UV index reading in June?
Average temperature in June
Lester, IA
- Average high temperature in June: 77.5°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 June: 60.4°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 June
Lester, IA
- Average pressure in June: 29.86"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 June
Lester, IA
- Average wind speed in June: 8.9mph
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 June
Lester, IA
- Average humidity in June: 76%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in June
Lester, IA
- Average rainfall in June: 3.43"
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 June
Lester, IA
- Average rainfall days in June: 17.3 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 June
Lester, IA
- Average snowfall in June: 0"
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 June
Lester, IA
- Average snowfall days in June: 0 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 June /
Average sunshine in June
Lester, IA
- Average daylight in June: 15h and 2min
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 June: 9h and 5min
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 June
Lester, IA
- Average sunshine days in June: 10.1 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 June
Lester, IA
- Average UV index in June: 6
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 June
Lester, IA
- Average cloud cover in June: 35
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 June
Lester, IA
- Average visibility in June: 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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