June weather forecastSullivan, IN
June
Weather in June
June, the first month of the summer in Sullivan, is a warm month, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.9°F (27.7°C).Temperature
Sullivan observes a slight ascent in average high-temperatures during June, adjusting from an agreeable 73°F (22.8°C) in May to a moderately hot 81.9°F (27.7°C). In June, Sullivan records an average nighttime temperature of 64.9°F (18.3°C).Heat index
The heat index value during June is calculated to be a tropical 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Sullivan, the average relative humidity in June is 79%.Rainfall
In Sullivan, during June, the rain falls for 14.8 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 150.1 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
In Sullivan, snow does not fall in May through October.Daylight
The month with the longest days in Sullivan, Indiana, is June, with an average of 14h and 54min of daylight.On the first day of June, sunrise is at 6:25 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 9:19 pm EDT.
Sunshine
With an average of 10.4h of sunshine, June has the most sunshine of the year.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Sullivan, IN
- Average high temperature in June: 81.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in June: 64.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in June
Sullivan, IN
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Sullivan, IN
- Average wind speed in June: 6.9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in June
Sullivan, IN
- Average humidity in June: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Sullivan, IN
- Average rainfall in June: 3.19"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in June
Sullivan, IN
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in June
Sullivan, IN
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Sullivan, IN
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.3 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
Sullivan, IN
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in June
Sullivan, IN
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in June
Sullivan, IN
- 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, February, November and December (UV index 2).
Average cloud cover in June
Sullivan, IN
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in June
Sullivan, IN
- 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).
