July weather forecastDonnellson, IA
July
Weather in July
July, the same as June, is a moderately hot summer month in Donnellson, Iowa, with an average temperature ranging between min 66°F (18.9°C) and max 82.9°F (28.3°C).Temperature
July, on average, is the warmest month, registering a high temperature of 82.9°F (28.3°C) and a low of 66°F (18.9°C).Heat index
The heat index value during July is appraised at a hot 91.4°F (33°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Understand that the heat index values take into account shaded locations and mild winds. 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 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
July is the most humid month, with an average relative humidity of 82%.Rainfall
In Donnellson, during July, the rain falls for 16.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 145.2 rainfall days, and 28.98" (736mm) of precipitation is accumulated.Snowfall
In Donnellson, snow does not fall in May through September.Daylight
The average length of the day in July in Donnellson is 14h and 44min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:41 pm. On the last day of July, in Donnellson, sunrise is at 6:02 am and sunset at 8:22 pm CDT.
Sunshine
With an average of 10.3h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during July translates into the following guidance:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Donnellson, IA
- Average high temperature in July: 82.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in July: 66°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in July
Donnellson, 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
Donnellson, IA
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in July
Donnellson, IA
- Average humidity in July: 82%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Donnellson, IA
- Average rainfall in July: 2.68"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in July
Donnellson, IA
- Average rainfall days in July: 16.1 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in July
Donnellson, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Donnellson, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.2 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
Donnellson, IA
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 10h and 18min
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 12min).
Average sunshine days in July
Donnellson, IA
- Average sunshine days in July: 11.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in July
Donnellson, IA
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Donnellson, 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, August and September (Cloud cover 29).
Average visibility in July
Donnellson, 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).
