August weather forecast
Bristow, IA

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Bristow, Iowa, with an average temperature varying between 60.6°F (15.9°C) and 78.4°F (25.8°C).

Temperature

Bristow's transition from July to August introduces an average high-temperature of a still warm 78.4°F (25.8°C), marking an insignificant variation from the 79.9°F (26.6°C). In Bristow, August is marked by an average low-temperature of 60.6°F (15.9°C).

Humidity

In Bristow, the average relative humidity in August is 82%.

Rainfall

In Bristow, during August, the rain falls for 14.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Bristow, Iowa, there are 148.3 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Bristow.

Daylight

The average length of the day in August in Bristow is 13h and 52min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in August in Bristow is 9.8h.

UV index

The average daily maximum UV index in August in Bristow is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during August leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Bristow in August?

August temperatures in Bristow vary between a high-temperature of 78.4°F (25.8°C) and a low-temperature of 60.6°F (15.9°C).

What is the average humidity in August in Bristow?

In August, the average relative humidity in Bristow is 82%.

How many days does it rain in August in Bristow?

In Bristow, in August, it is raining for 14.5 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Bristow?

June through September are months without snowfall.

How many hours of daylight does Bristow have in August?

The average day length in August is 13h and 52min.

When are sunrise and sunset in August in Bristow?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:31 pm. On the last day of the month, in Bristow, Iowa, sunrise is at 6:36 am and sunset at 7:47 pm CDT.

How long on average sun shines in August in Bristow?

The average sunshine duration in August in Bristow is 9.8h.

What is the UV index reading in August in Bristow?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Bristow, IA

Average temperature in August - Bristow, IA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in August: 60.6°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in August
Bristow, IA

Average pressure in August - Bristow, IA
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Bristow, IA

Average wind speed in August - Bristow, IA
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in August
Bristow, IA

Average humidity in August - Bristow, IA
  • Average humidity in August: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Bristow, IA

Average rainfall in August - Bristow, IA
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in August
Bristow, IA

Average rainfall days in August - Bristow, IA
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Bristow, IA

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

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bristow, IA

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

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Bristow, IA

Average daylight in August / Average sunshine in August - Bristow, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Bristow, IA

Average sunshine days in August - Bristow, IA
  • Average sunshine days in August: 12.9 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in August
Bristow, IA

Average UV index in August - Bristow, IA
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Bristow, IA

Average cloud cover in August - Bristow, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in August
Bristow, IA

Average visibility in August - Bristow, IA
  • Average visibility in August: 5mi

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

Bristow, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location