June weather forecast and climate
Decatur, AL

The first month of the summer, June, is a hot month in Decatur, Alabama, with average temperature fluctuating between 86.7°F (30.4°C) and 67.3°F (19.6°C).

Temperature

In June, the average high-temperature marginally rises, from a moderately hot 78.8°F (26°C) in May, to a hot 86.7°F (30.4°C). The average low-temperature, in June, is 67.3°F (19.6°C).

Heat index

The average heat index is evaluated at a torrid 99.3°F (37.4°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', 'feels like', 'felt air temperature', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like clothing, pregnancy, wind, and activity influence one's weather impression. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In June, the average relative humidity is 75%.

Rainfall

In June, the rain falls for 17.7 days. Throughout June, 3.31" (84mm) of precipitation is accumulated. In Decatur, during the entire year, the rain falls for 177.6 days and collects up to 43.11" (1095mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

June has the longest days of the year in Decatur, Alabama, with an average of 14.4h of daylight.

Sunshine

June has the most sunshine of the year in Decatur, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Decatur. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in June interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 Decatur?

In Decatur, Alabama, in June, the average high-temperature is 86.7°F (30.4°C), and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines both air temperature and relative humidity, in June is calculated to 99.3°F (37.4°C).

What is the average humidity in June in Decatur?

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

How many days does it rain in June in Decatur?

In Decatur, in June, during 17.7 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

When it does not snow in Decatur?

In Decatur snow does not fall in April through October.

When are the longest days in Decatur?

June has the longest days of the year in Decatur, Alabama, with an average of 14.4h of daylight.

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

In June, the average length of the day in Decatur, Alabama, is 14.4h.

What month has the most sunshine in Decatur?

June has the most sunshine of the year, with an average of 10.5h of sunshine.

How many hours of sunshine does Decatur have in June?

The average sunshine in June in Decatur, Alabama, is 10.5h.

When is the highest UV index in Decatur?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June in Decatur?

In June, the average daily maximum UV index in Decatur is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in June - Decatur, AL
  • Average high temperature in June: 86.7°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in June: 67.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

Average pressure in June - Decatur, AL
  • Average pressure in June: 29.98"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in June - Decatur, AL
  • Average wind speed in June: 5.4mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in June - Decatur, AL
  • Average humidity in June: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June - Decatur, AL
  • Average rainfall in June: 3.31"

The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are September and November (2.48").

Average rainfall days in June - Decatur, AL
  • Average rainfall days in June: 17.7 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in June - Decatur, AL
  • Average snowfall in June: 0"

Months with the highest snowfall are January and February (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June - Decatur, AL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (2.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June / Average sunshine in June - Decatur, AL
  • Average daylight in June: 14.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in June: 10.5h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in June - Decatur, AL
  • Average sunshine days in June: 10.7 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in June - Decatur, AL
  • Average UV index in June: 6

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

Average cloud cover in June - Decatur, AL
  • Average cloud cover in June: 29

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in June - Decatur, AL
  • 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).