June weather forecast
Sullivan, IN

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Weather in June

June, the first month of the summer in Sullivan, is a warm month, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.9°F (18.3°C).

Temperature

Sullivan's transition into June is noticed by a slight rise in the average high-temperature, advancing from an agreeable 73°F (22.8°C) in May to a moderately hot 81.9°F (27.7°C). Sullivan anticipates an average minimum temperature of 64.9°F (18.3°C) in the month of June.

Heat index

The heat index value for June is estimated at a hot 87.8°F (31°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in June is 79%.

Rainfall

In Sullivan, Indiana, during June, the rain falls for 14.8 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Sullivan, during the entire year, the rain falls for 150.1 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

In Sullivan, snow does not fall in May through October.

Daylight

June has the longest days of the year, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 6:25 am and sunset at 9:10 pm. On the last day of June, 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

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 6 in June leads to these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the usual temperature for Sullivan in June?

The average high-temperature and low-temperature in Sullivan, Indiana, during June are 81.9°F (27.7°C) and 64.9°F (18.3°C) respectively. In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in June in Sullivan?

In Sullivan, the average relative humidity in June is 79%.

How much does it rain in Sullivan in June?

In Sullivan, Indiana, during June, the rain falls for 14.8 days and regularly aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Sullivan?

May through October are months without snowfall.

When are the longest days in Sullivan?

With an average of 14h and 54min of daylight, June has the longest days of the year.

How many hours of daylight does Sullivan have in June?

In Sullivan, Indiana, the average day length in June is 14h and 52min.

When is the sunrise / sunset in June in Sullivan?

In June, on the first day of the month, sunrise is at 6:25 am and sunset at 9:10 pm. On the last day of the month, in Sullivan, sunrise is at 6:27 am and sunset at 9:19 pm EDT.

What month has the most sunshine in Sullivan?

The month with the most sunshine in Sullivan is June, with an average of 10.4h of sunshine.

How many hours of sunshine does Sullivan have in June?

In Sullivan, Indiana, the average sunshine duration in June is 10.4h.

When is the highest UV index in Sullivan?

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

How high is the UV index in June in Sullivan?

In June, the average daily maximum UV index in Sullivan, Indiana, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sullivan, IN

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).

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Average pressure in June
Sullivan, IN

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).

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Average wind speed in June
Sullivan, IN

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).

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Average humidity in June
Sullivan, IN

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%).

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Average rainfall in June
Sullivan, IN

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").

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Average rainfall days in June
Sullivan, IN

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).

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Average snowfall in June
Sullivan, IN

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").

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Average snowfall days in June
Sullivan, IN

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).

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Average daylight in June /
Average sunshine in June
Sullivan, IN

Average daylight in June / Average sunshine in June - Sullivan, IN
  • Average daylight in June: 14h and 5min

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 2min

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).

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Average sunshine days in June
Sullivan, IN

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).

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Average UV index in June
Sullivan, IN

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).

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Average cloud cover in June
Sullivan, IN

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).

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Average visibility in June
Sullivan, IN

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).

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Sullivan, Indiana, USA

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