July weather forecastDelaware, IA

July

Weather in July

July, the same as June, is a moderately hot summer month in Delaware, Iowa, with an average temperature ranging between min 63°F (17.2°C) and max 79.3°F (26.3°C).

Temperature

July stands out as Delaware's warmest month, with an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 63°F (17.2°C).

Humidity

The average relative humidity in July in Delaware is 85%.

Rainfall

In Delaware, during July, the rain falls for 13.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 111.7 rainfall days, and 13.31" (338mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 56min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:46 pm. On the last day of July, sunrise is at 5:57 am and sunset at 8:26 pm CDT.

Sunshine

July and August, with an average of 9.6h of sunshine, are months with the most sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 5 during July, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

In Delaware, the average highest temperatures are observed in July, with a high of 79.3°F (26.3°C) and a low of 63°F (17.2°C).

In Delaware, 79.3°F (26.3°C) is the average high-temperature and 63°F (17.2°C) is the average low-temperature during July.

The average relative humidity in July is 85%.

In Delaware, Iowa, in July, during 13.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

May through September are months without snowfall.

In Delaware, the average day length in July is 14h and 56min.

On the first day of July in Delaware, Iowa, sunrise is at 5:32 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:26 pm CDT.

July and August, with an average of 9.6h of sunshine, are months with the most sunshine.

In July, the average sunshine duration is 9.6h.

May through August, with an average maximum UV index of 5, are months with the highest UV index.

In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Delaware, IA

  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in July
Delaware, IA

  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in July
Delaware, IA

  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in July
Delaware, IA

  • Average humidity in July: 85%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in July
Delaware, IA

  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in July
Delaware, IA

  • Average rainfall days in July: 13.5 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in July
Delaware, IA

  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Delaware, IA

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.8 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
Delaware, IA

  • Average daylight in July: 14h and 54min

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 6min).

  • Average sunshine in July: 9h and 36min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in July
Delaware, IA

  • Average sunshine days in July: 13.3 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in July
Delaware, IA

  • Average UV index in July: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in July
Delaware, IA

  • Average cloud cover in July: 36

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in July
Delaware, IA

  • Average visibility in July: 5mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).