July weather forecast
Roy, UT

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Weather in July

July stands as the pinnacle of the summer season, bringing the highest temperatures experienced throughout the year. Emphasizing this summer peak, average high temperatures rise to a sweltering 83.8°F (28.8°C). Despite the heat, humidity remains relatively low, making the days more bearable. July's picturesque clear skies nourish an active social season that sees an inflow of tourists. Festivals, concerts, and outdoor adventures become amplified during this month, as locals and visitors revel in the summer’s peak.

Temperature

Roy reaches its highest average temperatures in July, measuring 83.8°F (28.8°C) at the peak and 60.4°F (15.8°C) at the lowest.

Humidity

The least humid month is July, with an average relative humidity of 37%.

Rainfall

July is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day in Roy, Utah, is 14h and 47min.
On the first day of the month, sunrise is at 5:59 am and sunset at 9:04 pm. On the last day of July, in Roy, sunrise is at 6:23 am and sunset at 8:45 pm MDT.

Sunshine

June through August, with an average of 11.9h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the warmest month in Roy?

July, with an average high of 83.8°F (28.8°C) and a low of 60.4°F (15.8°C), signifies the warmest month of the year in Roy.

How hot is it in Roy in July?

During July, Roy experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 60.4°F (15.8°C).

What is the least humid month in Roy?

July is the least humid month in Roy, with an average relative humidity of 37%.

What is the average humidity in July in Roy?

In July, the average relative humidity is 37%.

What is the driest month in Roy?

July is the month with the least rainfall in Roy. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Roy in July?

In Roy, during July, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Roy?

In Roy, Utah, snow does not fall in June through August.

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

In July, the average day length in Roy is 14h and 47min.

When are sunrise and sunset in July in Roy?

In July, on the first day of the month, sunrise is at 5:59 am and sunset at 9:04 pm. On the last day of the month, in Roy, sunrise is at 6:23 am and sunset at 8:45 pm MDT.

What is the month with the most sunshine in Roy?

June through August, with an average of 11.9h of sunshine, are months with the most sunshine.

How long on average sun shines in July in Roy?

The average sunshine duration in July is 11.9h.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index in Roy, Utah.

What is the UV index reading in July in Roy?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Roy, UT

Average temperature in July - Roy, UT
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in July: 60.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in July
Roy, UT

Average pressure in July - Roy, UT
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in July
Roy, UT

Average wind speed in July - Roy, UT
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

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Average humidity in July
Roy, UT

Average humidity in July - Roy, UT
  • Average humidity in July: 37%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in July
Roy, UT

Average rainfall in July - Roy, UT
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is April (1.26").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in July
Roy, UT

Average rainfall days in July - Roy, UT
  • Average rainfall days in July: 6.3 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall in July
Roy, UT

Average snowfall in July - Roy, UT
  • Average snowfall in July: 0"

The month with the highest snowfall is January (6.89").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Roy, UT

Average snowfall days in July - Roy, UT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (8.8 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
Roy, UT

Average daylight in July / Average sunshine in July - Roy, UT
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 11h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in July
Roy, UT

Average sunshine days in July - Roy, UT
  • Average sunshine days in July: 19.9 days

The months with the most sunshine days are October and November (21.6 days).
The month with the least sunshine days is April (14.7 days).

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Average UV index in July
Roy, UT

Average UV index in July - Roy, UT
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
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
Roy, UT

Average cloud cover in July - Roy, UT
  • Average cloud cover in July: 11

The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in July
Roy, UT

Average visibility in July - Roy, UT
  • Average visibility in July: 6mi

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

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Roy, Utah, USA

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