July weather forecast
Sumner, OK

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Weather in July

July, the same as June, in Sumner, Oklahoma, is another tropical summer month, with an average temperature ranging between min 73.4°F (23°C) and max 93.9°F (34.4°C).

Temperature

July, known for its average high temperature of 93.9°F (34.4°C) and an average low temperature of 73.4°F (23°C), is the warmest month.

Heat index

Throughout July, the heat index is evaluated at a scorching 111.2°F (44°C). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In Sumner, the average relative humidity in July is 62%.

Rainfall

In Sumner, during July, the rain falls for 12.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Sumner, during the entire year, the rain falls for 119.3 days and collects up to 23.27" (591mm) of precipitation.

Snowfall

In Sumner, snow does not fall in April through October.

Daylight

The average length of the day in July is 14h and 21min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:50 pm. On the last day of July, sunrise is at 6:35 am and sunset at 8:34 pm CDT.

Sunshine

The average sunshine in July is 11.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during July translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What month is the hottest?

July is the month that records the highest temperatures, with averages ranging from a high of 93.9°F (34.4°C) to a low of 73.4°F (23°C).

How hot is it in July?

The high-temperature, in July, in Sumner, records 93.9°F (34.4°C), while the low-temperature is 73.4°F (23°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 111.2°F (44°C).

What is the average humidity in July?

The average relative humidity in July is 62%.

How many days does it rain in July?

In Sumner, in July, it is raining for 12.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 21min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 6:14 am and sunset at 8:50 pm. On the last day of the month, in Sumner, sunrise is at 6:35 am and sunset at 8:34 pm CDT.

How long on average sun shines in July?

In July, the average sunshine duration is 11.2h.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index reading in July in Sumner?

In July, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Sumner, OK

Average temperature in July - Sumner, OK
  • Average high temperature in July: 93.9°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in July: 73.4°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in July
Sumner, OK

Average pressure in July - Sumner, OK
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Sumner, OK

Average wind speed in July - Sumner, OK
  • Average wind speed in July: 8.6mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in July
Sumner, OK

Average humidity in July - Sumner, OK
  • Average humidity in July: 62%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (61%).

Average rainfall in July
Sumner, OK

Average rainfall in July - Sumner, OK
  • Average rainfall in July: 1.89"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is December (0.83").

Average rainfall days in July
Sumner, OK

Average rainfall days in July - Sumner, OK
  • Average rainfall days in July: 12.5 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in July
Sumner, OK

Average snowfall in July - Sumner, OK
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Sumner, OK

Average snowfall days in July - Sumner, OK
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Sumner, OK

Average daylight in July / Average sunshine in July - Sumner, OK
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in July: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in July
Sumner, OK

Average sunshine days in July - Sumner, OK
  • Average sunshine days in July: 16.3 days

The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (13.9 days).

Average UV index in July
Sumner, OK

Average UV index in July - Sumner, OK
  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in July
Sumner, OK

Average cloud cover in July - Sumner, OK
  • Average cloud cover in July: 21

The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are June and August (Cloud cover 19).

Average visibility in July
Sumner, OK

Average visibility in July - Sumner, OK
  • 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).

Sumner, Oklahoma, USA

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