June weather forecast and climate
Jefferson City, MO

The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
June, the first month of the summer, in Jefferson City, is a hot month, with average temperature varying between 86.4°F (30.2°C) and 65.5°F (18.6°C).

Temperature

In Jefferson City, the average high-temperature in June rises, from a moderately hot 75.7°F (24.3°C) in May, to a tropical 86.4°F (30.2°C). In June, in Jefferson City, the average low-temperature is 65.5°F (18.6°C).

Heat index

The average heat index is calculated to a torrid 97.9°F (36.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the 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 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, clothing, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In June, the average relative humidity is 74%.

Rainfall

In Jefferson City, during 10.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Jefferson City, during the entire year, the rain falls for 93.7 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

In Jefferson City snow does not fall in April through October.

Daylight

June has the longest days of the year, with an average of 14.8h of daylight.

Sunshine

With an average of 10.6h of sunshine, June has the most sunshine of the year.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Jefferson City?

The average high-temperature, in June, is 86.4°F (30.2°C), while the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in June is evaluated at 97.9°F (36.6°C).

What is the average humidity in June in Jefferson City?

In Jefferson City, Missouri, the average relative humidity in June is 74%.

How many days does it rain in June in Jefferson City?

In June, in Jefferson City, Missouri, the rain falls for 10.4 days. Throughout June, 1.26" (32mm) of precipitation is accumulated.

When it does not snow in Jefferson City?

In Jefferson City, Missouri, snow does not fall in April through October.

When are the longest days in Jefferson City?

The month with the longest days in Jefferson City is June, with an average of 14.8h of daylight.

How many hours of daylight does Jefferson City have in June?

In Jefferson City, the average length of the day in June is 14.8h.

What month has the most sunshine in Jefferson City?

June has the most sunshine of the year in Jefferson City, with an average of 10.6h of sunshine.

How long on average sun shines in June in Jefferson City?

In Jefferson City, Missouri, the average sunshine in June is 10.6h.

What are the months with the highest UV index in Jefferson City?

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

How high is the UV index in June in Jefferson City?

In Jefferson City, Missouri, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Jefferson City, MO
  • Average high temperature in June: 86.4°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in June: 65.5°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in June - Jefferson City, MO
  • Average pressure in June: 29.92"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed in June - Jefferson City, MO
  • Average wind speed in June: 6.7mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in June - Jefferson City, MO
  • Average humidity in June: 74%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June - Jefferson City, MO
  • Average rainfall in June: 1.26"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").

Average rainfall days in June - Jefferson City, MO
  • Average rainfall days in June: 10.4 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).

Average snowfall in June - Jefferson City, MO
  • Average snowfall in June: 0"

The month with the highest snowfall is January (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June - Jefferson City, MO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Jefferson City, MO
  • Average daylight in June: 14.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in June: 10.6h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in June - Jefferson City, MO
  • Average sunshine days in June: 17.6 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).

Average UV index in June - Jefferson City, 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 - Jefferson City, MO
  • Average cloud cover in June: 28

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in June - Jefferson City, MO
  • Average visibility in June: 6mi

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