August weather forecast
Hamburg, IA

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Weather in August

August in Hamburg, Iowa, signifies the winding down of summer. Although temperatures remain high, they are marginally lower than those in July, hinting at a seasonal shift. This period is characterized by reduced daylight hours, indicating the onset of autumn. Despite the decrease in daylight, the humidity and sunshine remain similar to July's levels. August concludes the sultry summer season, paving the way for the cool breezes of autumn.

Temperature

The introduction of August notes a subtle temperature variation to a still warm 83.3°F (28.5°C) from July's 85.3°F (29.6°C). Hamburg encounters an average low-temperature of 64°F (17.8°C) during August nights.

Heat index

In August, the average heat index is evaluated at a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
When assessing, remember that heat index measurements are for light winds and shaded spots. 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 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Hamburg, the average relative humidity in August is 77%.

Rainfall

In Hamburg, during August, the rain falls for 14.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 125.7 rainfall days, and 26.73" (679mm) of precipitation is accumulated.

Snowfall

In Hamburg, snow does not fall in May through September.

Daylight

In Hamburg, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 6:20 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:55 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

August temperatures in Hamburg vary between a high-temperature of 83.3°F (28.5°C) and a low-temperature of 64°F (17.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How many days does it rain in August in Hamburg?

In August, the rain falls for 14.1 days. Throughout August, 2.91" (74mm) of precipitation is accumulated.

When it does not snow?

In Hamburg, snow does not fall in May through September.

What is the average length of the day in August?

In August, the average day length is 13h and 44min.

When is the sunrise / sunset in August?

On the first day of August in Hamburg, sunrise is at 6:20 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:55 pm CDT.

How many hours of sunshine does Hamburg have in August?

The average sunshine duration in August is 10h.

What is the month with the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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 August
Hamburg, IA

Average temperature in August - Hamburg, IA
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in August: 64°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 (18.1°F).

Average pressure in August
Hamburg, IA

Average pressure in August - Hamburg, IA
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Hamburg, IA

Average wind speed in August - Hamburg, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in August
Hamburg, IA

Average humidity in August - Hamburg, IA
  • Average humidity in August: 77%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).

Average rainfall in August
Hamburg, IA

Average rainfall in August - Hamburg, IA
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in August
Hamburg, IA

Average rainfall days in August - Hamburg, IA
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in August
Hamburg, IA

Average snowfall in August - Hamburg, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Hamburg, IA

Average snowfall days in August - Hamburg, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.8 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
Hamburg, IA

Average daylight in August / Average sunshine in August - Hamburg, IA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in August
Hamburg, IA

Average sunshine days in August - Hamburg, IA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in August
Hamburg, IA

Average UV index in August - Hamburg, IA
  • Average UV index in August: 6

The months with the highest UV index are 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
Hamburg, IA

Average cloud cover in August - Hamburg, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in August
Hamburg, IA

Average visibility in August - Hamburg, IA
  • Average visibility in August: 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).

Hamburg, Iowa, USA

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