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
August's onset brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), showing a minute difference from July's 79°F (26.1°C). During the nights in August, the temperature averages to a refreshing 59.5°F (15.3°C).Humidity
In Navan, the average relative humidity in August is 82%.Rainfall
In August, in Navan, the rain falls for 14.1 days. Throughout August, 2.28" (58mm) of precipitation is accumulated. In Navan, during the entire year, the rain falls for 146.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
June through September are months without snowfall in Navan.Daylight
In Navan, Iowa, the average length of the day in August is 13h and 53min.On the first day of August in Navan, sunrise is at 5:59 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:44 pm CDT.
Sunshine
With an average of 9.8h of sunshine, August has the most sunshine of the year in Navan.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in August leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Navan?
What is the average humidity in August in Navan?
How many days does it rain in August in Navan?
When it does not snow in Navan?
How many hours of daylight does Navan have in August?
When is the sunrise / sunset in August in Navan?
What month has the most sunshine in Navan?
How many hours of sunshine does Navan have in August?
What is the month with the highest UV index in Navan?
What is the UV index reading in August in Navan?
Average temperature in August
Navan, IA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Navan, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Navan, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Navan, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in August
Navan, IA
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Navan, IA
- Average rainfall days in August: 14.1 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Navan, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Navan, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Navan, 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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Navan, IA
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in August
Navan, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Navan, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Navan, IA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Navan, Iowa, USA
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