July weather forecast
Stillwater, OK

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Weather in July

As the peak of summer falls in July, Stillwater experiences the hottest conditions of the year. The demand for shade and air conditioning is common this time of year. Slight relief from rain is expected compared to June, but the dry season is far from reality. The heat reaches its apex, where the average maximum temperature arrives at 93°F (33.9°C), the highest of the year.

Temperature

In Stillwater, the month of July registers the highest temperatures, averaging 93°F (33.9°C) at the peak and 73°F (22.8°C) at the lowest.

Heat index

The heat index for July is appraised at a scorching 111.2°F (44°C). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 hold particular significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in July is 64%.

Rainfall

In Stillwater, in July, it is raining for 12.6 days, with typically 2.13" (54mm) of accumulated precipitation. In Stillwater, during the entire year, the rain falls for 121.4 days and collects up to 25.28" (642mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 20min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:49 pm. On the last day of July, sunrise is at 6:35 am and sunset at 8:33 pm CDT.

Sunshine

The average sunshine in July is 11.1h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are the warmest months in Stillwater?

July, on average, is the warmest month, registering a high temperature of 93°F (33.9°C) and a low of 73°F (22.8°C).

How hot does it get in Stillwater in July?

In July, in Stillwater, the average high-temperature is 93°F (33.9°C), and the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in July is appraised at 111.2°F (44°C).

What is the average humidity in July in Stillwater?

In Stillwater, Oklahoma, the average relative humidity in July is 64%.

How much does it rain in Stillwater in July?

In Stillwater, Oklahoma, in July, during 12.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Stillwater?

In Stillwater, Oklahoma, snow does not fall in April through October.

What is the average length of the day in July in Stillwater?

The average day length in July in Stillwater, Oklahoma, is 14h and 20min.

When is the sunrise / sunset in July in Stillwater?

On the first day of July, sunrise is at 6:15 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:33 pm CDT.

How long on average sun shines in July in Stillwater?

The average sunshine duration in July in Stillwater is 11.1h.

What is the month with the highest UV index in Stillwater?

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

What is the UV index intensity in July in Stillwater?

The average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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
Stillwater, OK

Average temperature in July - Stillwater, OK
  • Average high temperature in July: 93°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in July: 73°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in July
Stillwater, OK

Average pressure in July - Stillwater, OK
  • Average pressure in July: 29.93"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).

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Average wind speed in July
Stillwater, OK

Average wind speed in July - Stillwater, OK
  • Average wind speed in July: 8.4mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

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Average humidity in July
Stillwater, OK

Average humidity in July - Stillwater, OK
  • Average humidity in July: 64%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in July
Stillwater, OK

Average rainfall in July - Stillwater, OK
  • Average rainfall in July: 2.13"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (0.98").

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Average rainfall days in July
Stillwater, OK

Average rainfall days in July - Stillwater, OK
  • Average rainfall days in July: 12.6 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in July
Stillwater, OK

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Stillwater, OK

Average snowfall days in July - Stillwater, 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).

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

Average daylight in July / Average sunshine in July - Stillwater, 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 48min).

  • Average sunshine in July: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in July
Stillwater, OK

Average sunshine days in July - Stillwater, OK
  • Average sunshine days in July: 16.2 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (13.7 days).

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Average UV index in July
Stillwater, OK

Average UV index in July - Stillwater, 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).

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Average cloud cover in July
Stillwater, OK

Average cloud cover in July - Stillwater, OK
  • Average cloud cover in July: 22

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

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Average visibility in July
Stillwater, OK

Average visibility in July - Stillwater, 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).

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Stillwater, Oklahoma, USA

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