June weather forecastDecatur, AL
June
Weather in June
June welcomes balmy summer in Decatur, escalating the heat from the low of 67.3°F (19.6°C) to 86.7°F (30.4°C) high, a noticeable jump from May. It is the month that enjoys the longest day in a year, bringing maximum hours of sunshine. Evenings become warmer, representing typical southern summers. Rain showers are a regular feature, but rarely result in waterlogged conditions. Winds simmer down further, ensuring warm but relaxed ambience.Temperature
The arrival of June signals a slight increase in the average high-temperature, moving from a warm 78.8°F (26°C) in May to a tropical 86.7°F (30.4°C). The average nighttime temperature lowers to a comfortable 67.3°F (19.6°C) throughout June.Heat index
June's mean heat index is evaluated at a very hot 98.6°F (37°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In June, the average relative humidity is 75%.Rainfall
In Decatur, during June, the rain falls for 17.7 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 177.6 rainfall days, and 43.11" (1095mm) of precipitation is accumulated.Snowfall
In Decatur, Alabama, snow does not fall in April through October.Daylight
With an average of 14h and 24min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:35 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:04 pm CDT.
Sunshine
June has the most sunshine of the year, 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. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in June suggests the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
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"
The months with the highest snowfall are January and February (0.55").
The 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).
The 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: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in June: 10h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
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
The months with the highest UV index are May, June, July and August (UV index 6).
The 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
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).





