July weather forecast
Allen, SD

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Weather in July

July in Allen, South Dakota, is a tropical summer month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 65.5°F (18.6°C).

Temperature

In Allen, the highest average temperatures are observed in July, with a high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C).

Heat index

For most parts of July, the heat index is estimated at a hot 89.6°F (32°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Allen, the average relative humidity in July is 50%.

Rainfall

In Allen, during July, the rain falls for 10.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Allen, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall in Allen, South Dakota.

Daylight

The average length of the day in July in Allen is 15h and 1min.
On the first day of July, sunrise is at 5:11 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:10 pm MDT.

Sunshine

The average sunshine in July is 11.6h.

UV index

July is the month with the highest UV index in Allen, 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 average person.
Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the hottest time of year in Allen?

Allen's temperatures peak on average in July, reaching 87.6°F (30.9°C) at their highest and 65.5°F (18.6°C) at their lowest.

How hot is July in Allen?

An average high-temperature, in July, in Allen, is 87.6°F (30.9°C) and the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 89.6°F (32°C).

What is the average humidity in July in Allen?

In July, the average relative humidity in Allen, South Dakota, is 50%.

How much does it rain in Allen in July?

In Allen, South Dakota, during July, the rain falls for 10.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Allen?

In Allen, snow does not fall in June through August.

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

The average day length in July in Allen, South Dakota, is 15h and 1min.

When is the sunrise / sunset in July in Allen?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:10 pm MDT.

How long on average sun shines in July in Allen?

The average sunshine duration in July is 11.6h.

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

With an average maximum UV index of 7, July is the month with the highest UV index in Allen.

What is the UV index reading in July in Allen?

In Allen, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Allen, SD

Average temperature in July - Allen, SD
  • Average high temperature in July: 87.6°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in July: 65.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in July
Allen, SD

Average pressure in July - Allen, SD
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in July
Allen, SD

Average wind speed in July - Allen, SD
  • Average wind speed in July: 10.4mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

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Average humidity in July
Allen, SD

Average humidity in July - Allen, SD
  • Average humidity in July: 50%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).

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Average rainfall in July
Allen, SD

Average rainfall in July - Allen, SD
  • Average rainfall in July: 1.26"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in July
Allen, SD

Average rainfall days in July - Allen, SD
  • Average rainfall days in July: 10.1 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

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Average snowfall in July
Allen, SD

Average snowfall in July - Allen, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Allen, SD

Average snowfall days in July - Allen, SD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in July /
Average sunshine in July
Allen, SD

Average daylight in July / Average sunshine in July - Allen, SD
  • 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: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in July
Allen, SD

Average sunshine days in July - Allen, SD
  • Average sunshine days in July: 18.3 days

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in July
Allen, SD

Average UV index in July - Allen, SD
  • Average UV index in July: 7

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

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Average cloud cover in July
Allen, SD

Average cloud cover in July - Allen, SD
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in July
Allen, SD

Average visibility in July - Allen, SD
  • 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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Allen, South Dakota, USA

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