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
July is the warmest month, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 64.4°F (18°C).Heat index
The average heat index in July is evaluated at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, wind, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in July in Marshalltown, Iowa, is 84%.Rainfall
In Marshalltown, during 14.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Marshalltown, during the entire year, the rain falls for 118.2 days and collects up to 16.18" (411mm) of precipitation.Snowfall
In Marshalltown, Iowa, snow does not fall in June through September.Daylight
In July, the average length of the day in Marshalltown is 14h and 53min.On the first day of July, sunrise is at 5:39 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:32 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
FAQ
What is the warmest month in Marshalltown?
What is the temperature in July in Marshalltown?
What is the average humidity in July in Marshalltown?
How much does it rain in Marshalltown in July?
When it does not snow in Marshalltown?
How many hours of daylight does Marshalltown have in July?
When are sunrise and sunset in July in Marshalltown?
What month has the most sunshine in Marshalltown?
How long on average sun shines in July in Marshalltown?
What are the months with the highest UV index in Marshalltown?
How high is the UV index in July in Marshalltown?
Average temperature in July
Marshalltown, IA
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in July
Marshalltown, 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 (29.89"Hg).
Average wind speed in July
Marshalltown, IA
- Average wind speed in July: 7.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in July
Marshalltown, IA
- Average humidity in July: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Marshalltown, IA
- Average rainfall in July: 1.69"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in July
Marshalltown, IA
- Average rainfall days in July: 14.6 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in July
Marshalltown, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Marshalltown, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Marshalltown, IA
- Average daylight in July: 14h and 53min
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 10min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Marshalltown, IA
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in July
Marshalltown, IA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in July
Marshalltown, IA
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in July
Marshalltown, IA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
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