June weather forecast
Sumner, MO

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Weather in June

June, the first month of the summer in Sumner, is a warm month, with an average temperature fluctuating between 64.8°F (18.2°C) and 81.7°F (27.6°C).

Temperature

As June begins, there is an increase in the average high-temperature, moving from an agreeable 72°F (22.2°C) in May to a warm 81.7°F (27.6°C). Sumner encounters an average low-temperature of 64.8°F (18.2°C) during June nights.

Heat index

For most parts of June, the heat index is calculated to be a hot 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. 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 most humid month in Sumner is June, with an average relative humidity of 81%.

Rainfall

The months with the most rainfall in Sumner are May and June, with an average 1.46" (37mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year.
On the first day of June in Sumner, sunrise is at 5:46 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:44 pm CDT.

Sunshine

In Sumner, the average sunshine in June is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in June transforms into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What are June temperatures in Sumner?

June temperatures in Sumner, Missouri, vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 64.8°F (18.2°C). In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the most humid month in Sumner?

June is the most humid month in Sumner, Missouri, with an average relative humidity of 81%.

What is the average humidity in June in Sumner?

In June, the average relative humidity in Sumner is 81%.

What is the wettest month in Sumner?

The wettest months are May and June, with an average 1.46" (37mm) of rainfall.

How many days does it rain in June in Sumner?

In Sumner, Missouri, in June, during 12.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow in Sumner?

In Sumner, Missouri, snow does not fall in May through September.

When are the longest days in Sumner?

The month with the longest days in Sumner is June, with an average of 14h and 54min of daylight.

What is the average length of the day in June in Sumner?

In Sumner, the average day length in June is 14h and 56min.

What time are sunrise and sunset in June in Sumner?

In June, on the first day of the month, sunrise is at 5:46 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:44 pm CDT.

How long on average sun shines in June in Sumner?

The average sunshine duration in June is 10.2h.

What is the month with the highest UV index in Sumner?

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

What is the UV index reading in June in Sumner?

In Sumner, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sumner, MO

Average temperature in June - Sumner, MO
  • Average high temperature in June: 81.7°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in June: 64.8°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in June
Sumner, MO

Average pressure in June - Sumner, MO
  • Average pressure in June: 29.9"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in June
Sumner, MO

Average wind speed in June - Sumner, MO
  • Average wind speed in June: 7.6mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in June
Sumner, MO

Average humidity in June - Sumner, MO
  • Average humidity in June: 81%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in June
Sumner, MO

Average rainfall in June - Sumner, MO
  • Average rainfall in June: 1.46"

The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is December (0.43").

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Average rainfall days in June
Sumner, MO

Average rainfall days in June - Sumner, MO
  • Average rainfall days in June: 12.2 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in June
Sumner, MO

Average snowfall in June - Sumner, MO
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Sumner, MO

Average snowfall days in June - Sumner, MO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Sumner, MO

Average daylight in June / Average sunshine in June - Sumner, MO
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in June: 10h and 1min

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 36min).

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Average sunshine days in June
Sumner, MO

Average sunshine days in June - Sumner, MO
  • Average sunshine days in June: 14.2 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in June
Sumner, MO

Average UV index in June - Sumner, MO
  • 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).

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Average cloud cover in June
Sumner, MO

Average cloud cover in June - Sumner, MO
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in June
Sumner, MO

Average visibility in June - Sumner, MO
  • 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).

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Sumner, Missouri, USA

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