June weather forecast
Jacksonville, GA

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Weather in June

June, the first month of the summer in Jacksonville, is a tropical month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 87.8°F (31°C).

Temperature

The start of June sees the average high-temperature at a tropical 87.8°F (31°C), showing little difference from May's 82.6°F (28.1°C). An average temperature of 71.2°F (21.8°C) marks the nights in June.

Heat index

For most parts of June, the heat index is evaluated at a torrid 102.2°F (39°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in June in Jacksonville is 75%.

Rainfall

In Jacksonville, during June, the rain falls for 15.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Jacksonville, there are 134.5 rainfall days, and 14.61" (371mm) of precipitation is accumulated.

Snowfall

In Jacksonville, snow does not fall in March through December.

Daylight

June has the longest days of the year, with an average of 14h and 12min of daylight.
On the first day of June in Jacksonville, sunrise is at 6:26 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:41 pm EDT.

Sunshine

In June, the average sunshine in Jacksonville is 10.7h.

UV index

The months with the highest UV index in Jacksonville are May through July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 7 in June translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

Is it hot in Jacksonville during June?

The high-temperature, in June, in Jacksonville, is 87.8°F (31°C), while the low-temperature averages to 71.2°F (21.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in June is evaluated at 102.2°F (39°C).

What is the average humidity in June in Jacksonville?

In Jacksonville, Georgia, the average relative humidity in June is 75%.

How many days does it rain in June in Jacksonville?

In Jacksonville, Georgia, during June, the rain falls for 15.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Jacksonville?

In Jacksonville, Georgia, snow does not fall in March through December.

When are the longest days in Jacksonville?

June has the longest days of the year in Jacksonville, with an average of 14h and 12min of daylight.

How many hours of daylight does Jacksonville have in June?

The average day length in June in Jacksonville is 14h and 11min.

When is the sunrise / sunset in June in Jacksonville?

On the first day of June in Jacksonville, sunrise is at 6:26 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:41 pm EDT.

How long on average sun shines in June in Jacksonville?

The average sunshine duration in June in Jacksonville is 10.7h.

When is the highest UV index in Jacksonville?

The months with the highest UV index are May through July, with an average maximum UV index of 7.

What is the UV index intensity in June in Jacksonville?

In Jacksonville, Georgia, the average daily maximum UV index in June is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Jacksonville, GA

Average temperature in June - Jacksonville, GA
  • Average high temperature in June: 87.8°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).

  • Average low temperature in June: 71.2°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

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Average pressure in June
Jacksonville, GA

Average pressure in June - Jacksonville, GA
  • Average pressure in June: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in June
Jacksonville, GA

Average wind speed in June - Jacksonville, GA
  • Average wind speed in June: 6.1mph

The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in June
Jacksonville, GA

Average humidity in June - Jacksonville, GA
  • Average humidity in June: 75%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).

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Average rainfall in June
Jacksonville, GA

Average rainfall in June - Jacksonville, GA
  • Average rainfall in June: 1.85"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").

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Average rainfall days in June
Jacksonville, GA

Average rainfall days in June - Jacksonville, GA
  • Average rainfall days in June: 15.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).

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Average snowfall in June
Jacksonville, GA

Average snowfall in June - Jacksonville, GA
  • Average snowfall in June: 0"

The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in June
Jacksonville, GA

Average snowfall days in June - Jacksonville, GA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Jacksonville, GA

Average daylight in June / Average sunshine in June - Jacksonville, GA
  • Average daylight in June: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in June: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in June
Jacksonville, GA

Average sunshine days in June - Jacksonville, GA
  • Average sunshine days in June: 10.3 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in June
Jacksonville, GA

Average UV index in June - Jacksonville, GA
  • Average UV index in June: 7

The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in June
Jacksonville, GA

Average cloud cover in June - Jacksonville, GA
  • Average cloud cover in June: 29

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in June
Jacksonville, GA

Average visibility in June - Jacksonville, GA
  • 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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Jacksonville, Georgia, USA

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