August weather forecast
Galena, IN

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Weather in August

The last month of the summer, August, is another warm month in Galena, Indiana, with an average temperature ranging between min 65.3°F (18.5°C) and max 85.3°F (29.6°C).

Temperature

August's presence records an average high-temperature of a warm 85.3°F (29.6°C), closely mirroring July's climate. Galena temperatures generally rest at a low of 65.3°F (18.5°C) during the August nights.

Heat index

In August, the heat index is calculated to be a fiery hot 95°F (35°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In August, the average relative humidity in Galena is 75%.

Rainfall

In Galena, in August, it is raining for 15 days, with typically 2.44" (62mm) of accumulated precipitation. In Galena, during the entire year, the rain falls for 162.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of August, sunrise is at 6:46 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:14 pm EDT.

Sunshine

In Galena, the average sunshine in August is 9.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

An average high-temperature, in August, in Galena, is 85.3°F (29.6°C) and the average low-temperature is 65.3°F (18.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 95°F (35°C).

What is the average humidity in August?

In Galena, the average relative humidity in August is 75%.

How much does it rain in August?

In Galena, in August, during 15 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

The average day length in August in Galena is 13h and 37min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:46 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:14 pm EDT.

How many hours of sunshine does Galena have in August?

In Galena, the average sunshine duration in August is 9.6h.

What are the months with the highest UV index?

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

What is the UV index reading in August in Galena?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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 August
Galena, IN

Average temperature in August - Galena, IN
  • Average high temperature in August: 85.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in August: 65.3°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in August
Galena, IN

Average pressure in August - Galena, IN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Galena, IN

Average wind speed in August - Galena, IN
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in August
Galena, IN

Average humidity in August - Galena, IN
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Galena, IN

Average rainfall in August - Galena, IN
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Galena, IN

Average rainfall days in August - Galena, IN
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (10.3 days).

Average snowfall in August
Galena, IN

Average snowfall in August - Galena, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Galena, IN

Average snowfall days in August - Galena, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Galena, IN

Average daylight in August / Average sunshine in August - Galena, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in August
Galena, IN

Average sunshine days in August - Galena, IN
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in August
Galena, IN

Average UV index in August - Galena, IN
  • Average UV index in August: 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 August
Galena, IN

Average cloud cover in August - Galena, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Galena, IN

Average visibility in August - Galena, IN
  • Average visibility in August: 6mi

The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).

Galena, Indiana, USA

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