July weather forecast
Troy, ID

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Weather in July

July is a moderately hot summer month in Troy, Idaho, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 82.6°F (28.1°C).

Temperature

With the transition into July, Troy experiences an increase in average high-temperatures, moving up from an agreeable 70°F (21.1°C) in June to a warm 82.6°F (28.1°C). The significant decline in Troy's temperature, from day to night, averages of 54.7°F (12.6°C) in July.

Heat index

The average heat index in July is appraised at 82.4°F (28°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In July, the average relative humidity in Troy is 47%.

Rainfall

The months with the least rainfall are July and August Rain falls for 5.9 days and accumulates 0.47" (12mm) of rain.

Snowfall

June through August are months without snowfall in Troy.

Daylight

In Troy, the average length of the day in July is 15h and 25min.
On the first day of the month, sunrise is at 4:57 am and sunset at 8:44 pm. On the last day of July, sunrise is at 5:27 am and sunset at 8:19 pm PDT.

Sunshine

In Troy, Idaho, the average sunshine in July is 11.8h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In July, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Troy in July?

July temperatures in Troy, Idaho, vary between a high-temperature of 82.6°F (28.1°C) and a low-temperature of 54.7°F (12.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 82.4°F (28°C).

What is the average humidity in July in Troy?

In Troy, Idaho, the average relative humidity in July is 47%.

What is the driest month in Troy?

The months with the least rainfall in Troy, Idaho, are July and August Rain falls for 5.9 days and accumulates 0.47" (12mm) of rain.

How many days does it rain in July in Troy?

In Troy, in July, during 5.9 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow in Troy?

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

How many hours of daylight does Troy have in July?

In July, the average day length is 15h and 25min.

When is the sunrise / sunset in July in Troy?

On the first day of July in Troy, Idaho, sunrise is at 4:57 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:19 pm PDT.

How long on average sun shines in July in Troy?

In July, the average sunshine duration in Troy is 11.8h.

When is the highest UV index in Troy?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the UV index intensity in July in Troy?

In Troy, Idaho, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Troy, ID

Average temperature in July - Troy, ID
  • Average high temperature in July: 82.6°F

The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).

  • Average low temperature in July: 54.7°F

The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

Average pressure in July
Troy, ID

Average pressure in July - Troy, ID
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in July
Troy, ID

Average wind speed in July - Troy, ID
  • Average wind speed in July: 4.8mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

Average humidity in July
Troy, ID

Average humidity in July - Troy, ID
  • Average humidity in July: 47%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).

Average rainfall in July
Troy, ID

Average rainfall in July - Troy, ID
  • Average rainfall in July: 0.47"

The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").

Average rainfall days in July
Troy, ID

Average rainfall days in July - Troy, ID
  • Average rainfall days in July: 5.9 days

The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).

Average snowfall in July
Troy, ID

Average snowfall in July - Troy, ID
  • Average snowfall in July: 0"

The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Troy, ID

Average snowfall days in July - Troy, ID
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Troy, ID

Average daylight in July / Average sunshine in July - Troy, ID
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).

Average sunshine days in July
Troy, ID

Average sunshine days in July - Troy, ID
  • Average sunshine days in July: 23.3 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).

Average UV index in July
Troy, ID

Average UV index in July - Troy, ID
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in July
Troy, ID

Average cloud cover in July - Troy, ID
  • Average cloud cover in July: 12

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in July
Troy, ID

Average visibility in July - Troy, ID
  • Average visibility in July: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

Troy, Idaho, USA

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