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
As Northfield, Iowa, welcomes August, the average high-temperature records at a still moderately hot 81.7°F (27.6°C), marking an insignificant deviation from the prior month. Northfield anticipates an average minimum temperature of 63.3°F (17.4°C) in the month of August.Heat index
The heat index for August is appraised at a tropical 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in August is 79%.Rainfall
In Northfield, in August, during 12 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 130.4 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day in Northfield is 13h and 46min.On the first day of August in Northfield, sunrise is at 6:01 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:38 pm CDT.
Sunshine
In August, the average sunshine in Northfield is 10h.UV index
In Northfield, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Northfield in August?
What is the average humidity in August in Northfield?
How many days does it rain in August in Northfield?
When it does not snow in Northfield?
What is the average length of the day in August in Northfield?
What time are sunrise and sunset in August in Northfield?
How long on average sun shines in August in Northfield?
What is the UV index reading in August in Northfield?
Average temperature in August
Northfield, IA
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 63.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in August
Northfield, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Northfield, IA
- Average wind speed in August: 6.8mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Northfield, IA
- Average humidity in August: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Northfield, IA
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in August
Northfield, IA
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in August
Northfield, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Northfield, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10 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
Northfield, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Northfield, IA
- Average sunshine days in August: 16 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in August
Northfield, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Northfield, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Northfield, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Northfield, Iowa, USA
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