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
In Norwalk, Iowa, the month of July registers the highest temperatures, averaging 83.1°F (28.4°C) at the peak and 65.5°F (18.6°C) at the lowest.Heat index
For most parts of July, the heat index is calculated to be a tropical 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Norwalk, the average relative humidity in July is 81%.Rainfall
In Norwalk, Iowa, during July, the rain falls for 12.9 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Norwalk, there are 114.4 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Norwalk.Daylight
The average length of the day in July is 14h and 49min.On the first day of July in Norwalk, sunrise is at 5:45 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:32 pm CDT.
Sunshine
July has the most sunshine of the year in Norwalk, Iowa, with an average of 10.3h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during July translates into the following guidance:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the hottest time of year in Norwalk?
How hot does it get in Norwalk in July?
What is the average humidity in July in Norwalk?
How much does it rain in Norwalk in July?
When it does not snow in Norwalk?
How many hours of daylight does Norwalk have in July?
What time are sunrise and sunset in July in Norwalk?
What month has the most sunshine in Norwalk?
How long on average sun shines in July in Norwalk?
What is the month with the highest UV index in Norwalk?
What is the UV index intensity in July in Norwalk?
Average temperature in July
Norwalk, IA
- Average high temperature in July: 83.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in July: 65.5°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 (15.1°F).
Average pressure in July
Norwalk, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Norwalk, IA
- Average wind speed in July: 7mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in July
Norwalk, IA
- Average humidity in July: 81%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Norwalk, IA
- Average rainfall in July: 1.5"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in July
Norwalk, IA
- Average rainfall days in July: 12.9 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3 days).
Average snowfall in July
Norwalk, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Norwalk, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Norwalk, 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 12min).
- Average sunshine in July: 10h 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 18min).
Average sunshine days in July
Norwalk, IA
- Average sunshine days in July: 15.5 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in July
Norwalk, 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
Norwalk, IA
- Average cloud cover in July: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in July
Norwalk, IA
- Average visibility in July: 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).
Norwalk, Iowa, USA
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