July weather forecast
Harrison, ID

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Weather in July

July in Harrison, Idaho, is a warm summer month, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 81°F (27.2°C).

Temperature

Harrison sees an increase in average high-temperatures during July, moving from an agreeable 69.6°F (20.9°C) in June to a moderately hot 81°F (27.2°C). July presents a sharp fall from Harrison's daytime highs to an average low-temperature of 51.6°F (10.9°C).

Heat index

During July, the heat index is calculated to be 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In July, the average relative humidity is 50%.

Rainfall

The month with the least rainfall is July, when the rain falls for 6 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

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

Daylight

In Harrison, the average length of the day in July is 15h and 30min.
On the first day of the month, sunrise is at 4:54 am and sunset at 8:47 pm. On the last day of July, in Harrison, sunrise is at 5:25 am and sunset at 8:22 pm PDT.

Sunshine

In July, the average sunshine is 11.7h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What are the temperatures in July?

The high-temperature during July is 81°F (27.2°C) and the low-temperature is 51.6°F (10.9°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 82.4°F (28°C).

What is the average humidity in July in Harrison?

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

What is the driest month?

The month with the least rainfall is July, when the rain falls for 6 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in July?

In Harrison, in July, it is raining for 6 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow?

June through August are months without snowfall.

What is the average length of the day in July?

The average day length in July is 15h and 30min.

When are sunrise and sunset in July in Harrison?

On the first day of July, sunrise is at 4:54 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:22 pm PDT.

How long on average sun shines in July?

In July, the average sunshine duration is 11.7h.

What is the month with the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Harrison, ID

Average temperature in July - Harrison, ID
  • Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in July: 51.6°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).

Average pressure in July
Harrison, ID

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in July
Harrison, ID

Average wind speed in July - Harrison, ID
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August, September and December (4.3mph).

Average humidity in July
Harrison, ID

Average humidity in July - Harrison, ID
  • Average humidity in July: 50%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (47%).

Average rainfall in July
Harrison, ID

Average rainfall in July - Harrison, ID
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in July
Harrison, ID

Average rainfall days in July - Harrison, ID
  • Average rainfall days in July: 6 days

The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is August (5.6 days).

Average snowfall in July
Harrison, ID

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

The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Harrison, ID

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

The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Harrison, ID
  • Average daylight in July: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in July
Harrison, ID

Average sunshine days in July - Harrison, ID
  • Average sunshine days in July: 22.8 days

The month with the most sunshine days is July (22.8 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in July
Harrison, ID

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in July
Harrison, ID

Average cloud cover in July - Harrison, ID
  • Average cloud cover in July: 14

The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in July
Harrison, ID

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

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

Harrison, Idaho, USA

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