June weather forecast and climate
Olney, MO

The first month of the summer, June, is also a moderately hot month in Olney, Missouri, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 65.1°F (18.4°C).

Temperature

In June, the average high-temperature increases, from 74.7°F (23.7°C) in May, to a still moderately hot 84.7°F (29.3°C). In Olney, in June, the average low-temperature is 65.1°F (18.4°C).

Heat index

In June, the average heat index is evaluated at a hot 94.8°F (34.9°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, clothing, and wind affect individual temperature impact. 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Olney is 77%.

Rainfall

In June, the rain falls for 14.3 days. Throughout June, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 139.8 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

Snowfall

In Olney, Missouri, snow does not fall in May through October.

Daylight

With an average of 14.9h of daylight, June has the longest days of the year in Olney.

Sunshine

June has the most sunshine of the year in Olney, with an average of 10.2h of sunshine.

UV index

Months with the highest UV index in Olney are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in June in Olney?

In June, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in June is estimated at 94.8°F (34.9°C).

What is the average humidity in June in Olney?

In Olney, Missouri, the average relative humidity in June is 77%.

How many days does it rain in June in Olney?

In Olney, Missouri, in June, it is raining for 14.3 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Olney?

May through October are months without snowfall in Olney, Missouri.

When are the longest days in Olney?

With an average of 14.9h of daylight, June has the longest days of the year.

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

In June, the average length of the day in Olney, Missouri, is 14.9h.

What month has the most sunshine in Olney?

The month with the most sunshine in Olney, Missouri, is June, with an average of 10.2h of sunshine.

How long on average sun shines in June in Olney?

In Olney, Missouri, the average sunshine in June is 10.2h.

What are the months with the highest UV index in Olney?

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

What is the UV index intensity in June in Olney?

The average daily maximum UV index in June in Olney, Missouri, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in June - Olney, MO
  • Average high temperature in June: 29.3°C

The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in June: 18.4°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).

Average pressure in June - Olney, MO
  • Average pressure in June: 1013mbar

The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in June - Olney, MO
  • Average wind speed in June: 11.1km/h

The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).

Average humidity in June - Olney, MO
  • Average humidity in June: 77%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June - Olney, MO
  • Average rainfall in June: 85mm

The wettest month (with the highest rainfall) is May (86mm).
The driest months (with the least rainfall) are January and February (37mm).

Average rainfall days in June - Olney, MO
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in June - Olney, MO
  • Average snowfall in June: 0mm

The month with the highest snowfall is January (79mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (5.9 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Olney, MO
  • Average daylight in June: 14.9h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in June: 10.2h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 4.4h).

Average sunshine days in June - Olney, MO
  • Average sunshine days in June: 13 days

The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in June - Olney, MO
  • Average UV index in June: 6

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

Average cloud cover in June - Olney, MO
  • Average cloud cover in June: 31

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in June - Olney, MO
  • Average visibility in June: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).