Jacksonville
Florida, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Jacksonville, FL

Water geysers at the fountain of Jacksonville in Florida, with the cityscape
Water geysers at the fountain of Jacksonville in Florida, with the cityscape
June, the first month of the summer, in Jacksonville, is a tropical month, with average temperature fluctuating between 70°F (21.1°C) and 90°F (32.2°C).

Temperature

In Jacksonville, Florida, the average high-temperature is almost the same as in May - a hot 90°F (32.2°C). In Jacksonville, in June, the average low-temperature is 70°F (21.1°C).

Humidity

The average relative humidity in Jacksonville is 76.8%.

Rainfall

In June, in Jacksonville, Florida, the rain falls for 13.9 days. Throughout June, 6.4" (163.8mm) of precipitation is accumulated. In Jacksonville, during the entire year, the rain falls for 113.5 days and collects up to 52.4" (1330.6mm) of precipitation.

Ocean temperature

In June, the average ocean temperature is 79.9°F (26.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

June has the longest days of the year, with an average of 14.1h of daylight.

Sunshine

The average sunshine in June is 9.5h.

UV index

June and July, with an average maximum UV index of 11, are months with the highest UV index in Jacksonville. A UV Index of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 11 in June interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in June in Jacksonville?

In June, in Jacksonville, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 70°F (21.1°C).

What is the average humidity in June in Jacksonville?

The average relative humidity in June is 76.8%.

How much does it rain in Jacksonville in June?

In Jacksonville, Florida, in June, during 13.9 rainfall days, 6.4" (163.8mm) of precipitation is typically accumulated.

How warm is the water in June in Jacksonville?

In June, the average ocean temperature in Jacksonville is 79.9°F (26.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Jacksonville?

The month with the longest days in Jacksonville, Florida, is June, with an average of 14.1h of daylight.

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

The average length of the day in June in Jacksonville, Florida, is 14.1h.

How many hours of sunshine does Jacksonville have in June?

In Jacksonville, the average sunshine in June is 9.5h.

When is the highest UV index in Jacksonville?

Months with the highest UV index are June and July, with an average maximum UV index of 11.

What is the UV index reading in June in Jacksonville?

In June, the average daily maximum UV index in Jacksonville, Florida, is 11. A UV Index of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV radiation.
Average temperature in June - Jacksonville, FL
  • Average high temperature in June: 89.9°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (64.8°F).

  • Average low temperature in June: 70°F

The month with the highest average low temperature is August (72.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).

Average humidity in June - Jacksonville, FL
  • Average humidity in June: 76.8%

The month with the highest relative humidity is September (80.8%).
The month with the lowest relative humidity is April (69.5%).

Average rainfall in June - Jacksonville, FL
  • Average rainfall in June: 6.5"

The wettest month (with the highest rainfall) is September (8.2").
The driest month (with the lowest rainfall) is November (2.1").

Average rainfall days in June - Jacksonville, FL
  • Average rainfall days in June: 13.9 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is April (5.7 days).

Average sea temperature in June - Jacksonville, FL
  • Average sea temperature in June: 79.9°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (60.4°F).

Average daylight in June / Average sunshine in June - Jacksonville, FL
  • Average daylight in June: 14.1h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in June: 9.5h

The month with most sunshine is May (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 5.9h).

Average UV index in June - Jacksonville, FL
  • Average UV index in June: 11

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).