June weather forecastSumner, NE

June

Weather in June

The first month of the summer, June, is a warm month in Sumner, Nebraska, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 61.9°F (16.6°C).

Temperature

Sumner's weather in June shows a rise in the average high-temperature, moving up from May's agreeable 70°F (21.1°C) to a warm 82.4°F (28°C). In Sumner, the average nighttime temperature during June is a refreshing 61.9°F (16.6°C).

Heat index

For most parts of June, the heat index is calculated to be a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

The average relative humidity in June is 66%.

Rainfall

In Sumner, during June, the rain falls for 14.9 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Sumner, Nebraska, during the entire year, the rain falls for 117 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

In Sumner, snow does not fall in June through September.

Daylight

With an average of 15h and 6min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 6:07 am and sunset at 9:04 pm. On the last day of June, sunrise is at 6:09 am and sunset at 9:14 pm CDT.

Sunshine

In June, the average sunshine is 10.9h.

UV index

June through August, 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 threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in June translates into these instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Sumner, 82.4°F (28°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during June. In June, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

The average relative humidity in June is 66%.

In June, the rain falls for 14.9 days. Throughout June, 2.32" (59mm) of precipitation is accumulated.

June through September are months without snowfall.

In June, it doesn't snow. May is the latest month when it typically snows.

With an average of 15h and 6min of daylight, June has the longest days of the year.

The average day length in June is 15h and 4min.

On the first day of June, sunrise is at 6:07 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 9:14 pm CDT.

In Sumner, the average sunshine duration in June is 10.9h.

June through August, with an average maximum UV index of 6, are months with the highest UV index in Sumner.

In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M June J A S O N D

May

June

Jul

Average high temperature

70°F

82.4°F

88.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.1mph

10.6mph

9.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.2

14.5

Average UV index

Average cloud cover

Average visibility

Average temperature in June
Sumner, NE

Average high temperature in June: 82.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (35.8°F).

Average low temperature in June: 61.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in June
Sumner, NE

Average pressure in June: 29.84"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in June
Sumner, NE

Average wind speed in June: 9.8mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

Average humidity in June
Sumner, NE

Average humidity in June: 66%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (58%).

Average rainfall in June
Sumner, NE

Average rainfall in June: 2.32"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in June
Sumner, NE

Average rainfall days in June: 14.9 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in June
Sumner, NE

Average snowfall in June: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Sumner, NE

Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (7.6 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, NE

Average daylight in June: 15h and 6min

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 June: 10h and 54min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in June
Sumner, NE

Average sunshine days in June: 11.2 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in June
Sumner, NE

Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Sumner, NE

Average cloud cover in June: 24

The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 22).

Average visibility in June
Sumner, NE

Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).