Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The temperatures reach their highest averages in July, with highs of 82.4°F (28°C) and lows of 65.3°F (18.5°C).Heat index
The average heat index in July is estimated at a hot 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
With an average relative humidity of 83%, July is the most humid month.Rainfall
In Trenton, in July, during 15.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Trenton, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
In Trenton, Iowa, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 47min.On the first day of the month, sunrise is at 5:38 am and sunset at 8:42 pm. On the last day of July, sunrise is at 6:02 am and sunset at 8:23 pm CDT.
Sunshine
July has the most sunshine of the year in Trenton, with an average of 10h of sunshine.UV index
The months with the highest UV index in Trenton are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during July translates into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What month is the hottest in Trenton?
How hot is July in Trenton?
What is the most humid month in Trenton?
What is the average humidity in July in Trenton?
How many days does it rain in July in Trenton?
When it does not snow in Trenton?
What is the average length of the day in July in Trenton?
When is the sunrise / sunset in July in Trenton?
What month has the most sunshine in Trenton?
How many hours of sunshine does Trenton have in July?
What are the months with the highest UV index in Trenton?
What is the UV index reading in July in Trenton?
Average temperature in July
Trenton, IA
- Average high temperature in July: 82.4°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 July: 65.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in July
Trenton, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Trenton, IA
- Average wind speed in July: 6.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in July
Trenton, IA
- Average humidity in July: 83%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Trenton, IA
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in July
Trenton, IA
- Average rainfall days in July: 15.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in July
Trenton, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Trenton, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Trenton, IA
- Average daylight in July: 14h 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 July: 10h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days in July
Trenton, IA
- Average sunshine days in July: 13 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in July
Trenton, IA
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Trenton, IA
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in July
Trenton, IA
- Average visibility in July: 5mi
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).
Trenton, Iowa, USA
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