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 beginning of June, Sumner's average high-temperature sees an increase, transitioning from a comfortable 66.7°F (19.3°C) in May to a warm 76.5°F (24.7°C). An average low-temperature of 60.3°F (15.7°C) is observed during June nights.Humidity
In June, the average relative humidity is 82%.Rainfall
The month with the most rainfall in Sumner is June, when the rain falls for 20.2 days and typically aggregates up to 5.04" (128mm) of precipitation.Snowfall
June through September are months without snowfall in Sumner.Daylight
June has the longest days of the year, with an average of 15h and 18min of daylight.On the first day of the month, sunrise is at 5:32 am and sunset at 8:40 pm. On the last day of June, sunrise is at 5:33 am and sunset at 8:50 pm CDT.
Sunshine
The average sunshine in June is 9.4h.UV index
The month with the highest UV index is June, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In June, the maximum UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Sumner in June?
What is the average humidity in June in Sumner?
What is the wettest month in Sumner?
How much does it rain in Sumner in June?
When it does not snow in Sumner?
Does it snow in Sumner in June?
When are the longest days in Sumner?
What is the average length of the day in June in Sumner?
When is the sunrise / sunset in June in Sumner?
How long on average sun shines in June in Sumner?
What is the month with the highest UV index in Sumner?
How high is the UV index in June in Sumner?
Average temperature in June
Sumner, IA
- Average high temperature in June: 76.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in June: 60.3°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 (11.1°F).
Average pressure in June
Sumner, IA
- Average pressure in June: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in June
Sumner, IA
- Average wind speed in June: 8.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in June
Sumner, IA
- Average humidity in June: 82%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Sumner, IA
- Average rainfall in June: 5.04"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in June
Sumner, IA
- Average rainfall days in June: 20.2 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in June
Sumner, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Sumner, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Sumner, IA
- Average daylight in June: 15h and 2min
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 6min).
- Average sunshine in June: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in June
Sumner, IA
- Average sunshine days in June: 7.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in June
Sumner, IA
- Average UV index in June: 6
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Sumner, IA
- Average cloud cover in June: 37
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in June
Sumner, IA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Sumner, Iowa, USA
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