July weather forecastPorthill, ID

July

Weather in July

July in Porthill, Idaho, is a warm summer month, with an average temperature ranging between max 75.9°F (24.4°C) and min 46.4°F (8°C).

Temperature

As Porthill transitions into July, the average high-temperature shows a change, moving from an enjoyable 65.3°F (18.5°C) in June to a warm 75.9°F (24.4°C). Porthill documents a substantial shift from daytime warmth, recording an average nighttime temperature of 46.4°F (8°C) in July.

Humidity

In July, the average relative humidity in Porthill is 56%.

Rainfall

In Porthill, during July, the rain falls for 7.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Porthill, during the entire year, the rain falls for 157.1 days and collects up to 21.61" (549mm) of precipitation.

Snowfall

May through August are months without snowfall.

Daylight

The average length of the day in July in Porthill is 15h and 43min.
On the first day of July, sunrise is at 5:46 am and sunset at 9:53 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:25 pm MDT.

Sunshine

In July, the average sunshine is 11.5h.

UV index

With an average maximum UV index of 5, July is the month with the highest UV index in Porthill. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in July translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in July, in Porthill, is 75.9°F (24.4°C), while the low-temperature averages to 46.4°F (8°C).

The average relative humidity in July in Porthill is 56%.

In July, the rain falls for 7.9 days. Throughout July, 0.63" (16mm) of precipitation is accumulated.

May through August are months without snowfall.

In July, the average day length in Porthill is 15h and 43min.

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 9:53 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:25 pm MDT.

In July, the average sunshine duration is 11.5h.

July is the month with the highest UV index in Porthill, Idaho, with an average maximum UV index of 5.

In Porthill, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

65.3°F

75.9°F

76.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.9mph

4.7mph

4.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

13.8

7.9

6.5

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.9

21.1

21.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Porthill, ID

Average high temperature in July: 75.9°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (27.3°F).

Average low temperature in July: 46.4°F

The month with the highest average low temperature is August (47.7°F).
The coldest months (with the lowest average low temperature) are January and December (16.3°F).

Average pressure in July
Porthill, ID

Average pressure in July: 29.94"Hg

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

Average wind speed in July
Porthill, ID

Average wind speed in July: 4mph

The windiest month (with the highest average wind speed) is June (4.3mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

Average humidity in July
Porthill, ID

Average humidity in July: 56%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).

Average rainfall in July
Porthill, ID

Average rainfall in July: 0.63"

The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in July
Porthill, ID

Average rainfall days in July: 7.9 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in July
Porthill, ID

Average snowfall in July: 0"

The month with the highest snowfall is January (11.02").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in July
Porthill, ID

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in July: 15h and 42min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

Average sunshine in July: 11h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Porthill, ID

Average sunshine days in July: 21.1 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).

Average UV index in July
Porthill, ID

Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).