July weather forecastHarlan, IN
July
Weather in July
July, like June, in Harlan, Indiana, is a moderately hot summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.9°F (17.7°C).Temperature
The average temperatures reach their apex in July, averaging 81.1°F (27.3°C) at the high end and 63.9°F (17.7°C) at the low end.Heat index
For July, the heat index is computed to be a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of 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 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In July, the average relative humidity in Harlan is 81%.Rainfall
In Harlan, in July, it is raining for 15.1 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 140.8 rainfall days, and 16.22" (412mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Harlan.Daylight
In Harlan, the average length of the day in July is 14h and 48min.On the first day of July in Harlan, sunrise is at 6:11 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:57 pm EDT.
Sunshine
With an average of 10.3h of sunshine, July has the most sunshine of the year in Harlan.UV index
The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in July suggests the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Harlan, IN
- Average high temperature in July: 81.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in July: 63.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in July
Harlan, IN
- Average pressure in July: 29.97"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Harlan, IN
- Average wind speed in July: 6.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in July
Harlan, IN
- Average humidity in July: 81%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Harlan, IN
- Average rainfall in July: 1.61"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in July
Harlan, IN
- Average rainfall days in July: 15.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in July
Harlan, IN
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Harlan, IN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Harlan, IN
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in July
Harlan, IN
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in July
Harlan, IN
- Average UV index in July: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Harlan, IN
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in July
Harlan, IN
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





