Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Galva?
What is the average humidity in August in Galva?
How many days does it rain in August in Galva?
When it does not snow in Galva?
What is the average length of the day in August in Galva?
What time are sunrise and sunset in August in Galva?
How many hours of sunshine does Galva have in August?
How high is the UV index in August in Galva?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Galva, Iowa, USA
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