June weather forecast and climate
Altamonte Springs, FL

The first month of the summer, June, is still a hot month in Altamonte Springs, Florida, with average temperature fluctuating between 74.1°F (23.4°C) and 89.6°F (32°C).

Temperature

In Altamonte Springs, the average high-temperature in June is relatively the same as in May - a still tropical 89.6°F (32°C). In Altamonte Springs, in June, the average low-temperature is 74.1°F (23.4°C).

Heat index

In June, the average heat index is appraised at a blistering 108.9°F (42.7°C). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
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', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, differences in body mass, height, and shape, and pregnancy 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 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. 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

The average relative humidity in June is 76%.

Rainfall

In Altamonte Springs, it is raining for 21.1 days, with typically 3.39" (86mm) of accumulated precipitation. In Altamonte Springs, Florida, during the entire year, the rain falls for 172.9 days and collects up to 22.76" (578mm) of precipitation.

Daylight

June has the longest days of the year, with an average of 14h of daylight.

Sunshine

In Altamonte Springs, the average sunshine is 10.5h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Altamonte Springs. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Altamonte Springs?

The average high-temperature, in June, in Altamonte Springs, Florida, is 89.6°F (32°C), while the average low-temperature is 74.1°F (23.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that represents influence of the relative humidity to air temperaure, in June is calculated to 108.9°F (42.7°C).

What is the average humidity in June in Altamonte Springs?

The average relative humidity in June is 76%.

How much does it rain in Altamonte Springs in June?

In Altamonte Springs, Florida, in June, during 21.1 rainfall days, 3.39" (86mm) of precipitation is typically accumulated.

When are the longest days in Altamonte Springs?

The month with the longest days in Altamonte Springs is June, with an average of 14h of daylight.

How many hours of daylight does Altamonte Springs have in June?

In Altamonte Springs, the average length of the day in June is 14h.

How long on average sun shines in June in Altamonte Springs?

The average sunshine in June in Altamonte Springs is 10.5h.

What are the months with the highest UV index in Altamonte Springs?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Altamonte Springs.

How high is the UV index in June in Altamonte Springs?

In Altamonte Springs, Florida, the average daily maximum UV index in June is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in June - Altamonte Springs, FL
  • Average high temperature in June: 89.6°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).

  • Average low temperature in June: 74.1°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).

Average pressure in June - Altamonte Springs, FL
  • Average pressure in June: 30"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is September (29.97").

Average wind speed in June - Altamonte Springs, FL
  • Average wind speed in June: 5.1mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in June - Altamonte Springs, FL
  • Average humidity in June: 76%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).

Average rainfall in June - Altamonte Springs, FL
  • Average rainfall in June: 3.39"

The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").

Average rainfall days in June - Altamonte Springs, FL
  • Average rainfall days in June: 21.1 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).

Average daylight in June / Average sunshine in June - Altamonte Springs, FL
  • Average daylight in June: 14h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in June: 10.5h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 6.1h).

Average sunshine days in June - Altamonte Springs, FL
  • Average sunshine days in June: 6.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).

Average UV index in June - Altamonte Springs, FL
  • Average UV index in June: 7

Months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in June - Altamonte Springs, FL
  • Average cloud cover in June: 31

The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).

Average visibility in June - Altamonte Springs, FL
  • 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).