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 month when Grafton's temperatures reach their peak, with averages of 79.2°F (26.2°C) and lows of 62.6°F (17°C).Humidity
The average relative humidity in July is 83%.Rainfall
In Grafton, in July, during 16.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Grafton, there are 134.3 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Grafton, snow does not fall in June through September.Daylight
The average length of the day in July is 15h and 1min.On the first day of July, sunrise is at 5:36 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:35 pm CDT.
Sunshine
The month with the most sunshine in Grafton is July, with an average of 9.8h 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 exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 6 during July translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What time of the year is the hottest in Grafton?
What is the average July temperature in Grafton?
What is the average humidity in July in Grafton?
How many days does it rain in July in Grafton?
When it does not snow in Grafton?
What is the average length of the day in July in Grafton?
What time are sunrise and sunset in July in Grafton?
What month has the most sunshine in Grafton?
How long on average sun shines in July in Grafton?
What is the month with the highest UV index in Grafton?
What is the UV index intensity in July in Grafton?
Average temperature in July
Grafton, IA
- Average high temperature in July: 79.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in July: 62.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in July
Grafton, IA
- Average pressure in July: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Grafton, IA
- Average wind speed in July: 7.4mph
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 (7.4mph).
Average humidity in July
Grafton, IA
- Average humidity in July: 83%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in July
Grafton, IA
- Average rainfall in July: 2.64"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in July
Grafton, IA
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in July
Grafton, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Grafton, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Grafton, IA
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 9h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in July
Grafton, IA
- Average sunshine days in July: 11.4 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in July
Grafton, 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, November and December (UV index 1).
Average cloud cover in July
Grafton, IA
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Grafton, IA
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Grafton, Iowa, USA
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