August weather forecast
Galva, IA

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Weather in August

August, the last month of the summer in Galva, is also a moderately hot month, with an average temperature ranging between max 79.5°F (26.4°C) and min 61.3°F (16.3°C).

Temperature

The advent of August brings an average high-temperature of a still warm 79.5°F (26.4°C), almost identical to the preceding month. Galva's nighttime temperature in August drops to an average of 61.3°F (16.3°C).

Humidity

In Galva, the average relative humidity in August is 79%.

Rainfall

In Galva, during August, the rain falls for 13.2 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Galva, Iowa, during the entire year, the rain falls for 117.4 days and collects up to 24.61" (625mm) of precipitation.

Snowfall

In Galva, snow does not fall in June through September.

Daylight

In August, the average length of the day in Galva is 13h and 51min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:57 pm CDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

The average daily maximum UV index in August in Galva, Iowa, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average August temperature in Galva?

In August, the average high-temperature and low-temperature in Galva are 79.5°F (26.4°C) and 61.3°F (16.3°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 87.8°F (31°C).

What is the average humidity in August in Galva?

The average relative humidity in August in Galva is 79%.

How many days does it rain in August in Galva?

In August, in Galva, the rain falls for 13.2 days. Throughout August, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Galva?

In Galva, Iowa, snow does not fall in June through September.

What is the average length of the day in August in Galva?

In Galva, the average day length in August is 13h and 51min.

What time are sunrise and sunset in August in Galva?

On the first day of August in Galva, Iowa, sunrise is at 6:14 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Galva have in August?

In Galva, Iowa, the average sunshine duration in August is 9.4h.

How high is the UV index in August in Galva?

In Galva, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 August
Galva, IA

Average temperature in August - Galva, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in August
Galva, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Galva, IA

Average wind speed in August - Galva, IA
  • Average wind speed in August: 7.8mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in August
Galva, IA

Average humidity in August - Galva, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (67%).

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Average rainfall in August
Galva, IA

Average rainfall in August - Galva, IA
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in August
Galva, IA

Average rainfall days in August - Galva, IA
  • Average rainfall days in August: 13.2 days

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall in August
Galva, IA

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

The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Galva, IA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Galva, IA

Average sunshine days in August - Galva, IA
  • Average sunshine days in August: 15 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in August
Galva, IA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in August
Galva, IA

Average cloud cover in August - Galva, IA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
Galva, IA

Average visibility in August - Galva, 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).

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Galva, Iowa, USA

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