July weather forecast
Caldwell, ID

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A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho
A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho

Weather in July

July, being the heart of summer, brings scorching temperatures hitting a high of 90.9°F (32.7°C). The rainfall hits a yearly low, dropping to 0.16" (4mm), and nature falls largely silent under the searing sun. Outdoor activities are best planned for the cooler mornings or evenings. July, thus, challenges the endurance of those accustomed to more moderate weather.

Temperature

Caldwell records the warmest temperatures in July, averaging a high of 90.9°F (32.7°C) and a low of 62.2°F (16.8°C).

Humidity

In Caldwell, the average relative humidity in July is 30%.

Rainfall

The month with the least rainfall is July, when the rain falls for 3.9 days and typically collects 0.16" (4mm) of precipitation.

Snowfall

In Caldwell, snow does not fall in May through October.

Daylight

In Caldwell, the average length of the day in July is 15h and 3min.
On the first day of July in Caldwell, sunrise is at 6:09 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:10 pm MDT.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in July suggests the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

The warmest time of the year is July, with temperatures averaging a high of 90.9°F (32.7°C) and a low of 62.2°F (16.8°C).

How hot does it get in July?

In Caldwell, 90.9°F (32.7°C) is the average high-temperature and 62.2°F (16.8°C) is the average low-temperature during July.

What is the average humidity in July?

In July, the average relative humidity is 30%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 3.9 days and accumulates 0.16" (4mm) of precipitation.

How many days does it rain in July?

In July, the rain falls for 3.9 days. Throughout July, 0.16" (4mm) of precipitation is accumulated.

When it does not snow?

In Caldwell, snow does not fall in May through October.

How many hours of daylight does Caldwell have in July?

In July, the average day length is 15h and 3min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 6:09 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:10 pm MDT.

What month has the most sunshine?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Caldwell, the average sunshine duration in July is 12.1h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes 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
Caldwell, ID

Average temperature in July - Caldwell, ID
  • Average high temperature in July: 90.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is December (36.3°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

Average pressure in July
Caldwell, ID

Average pressure in July - Caldwell, ID
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in July
Caldwell, ID

Average wind speed in July - Caldwell, ID
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity in July
Caldwell, ID

Average humidity in July - Caldwell, ID
  • Average humidity in July: 30%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (29%).

Average rainfall in July
Caldwell, ID

Average rainfall in July - Caldwell, ID
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is March (1.38").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in July
Caldwell, ID

Average rainfall days in July - Caldwell, ID
  • Average rainfall days in July: 3.9 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (3.5 days).

Average snowfall in July
Caldwell, ID

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

The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Caldwell, ID

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

The month with the highest number of snowfall days is December (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Caldwell, ID
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in July
Caldwell, ID

Average sunshine days in July - Caldwell, 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 March (14.6 days).

Average UV index in July
Caldwell, ID

Average UV index in July - Caldwell, ID
  • 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).

Average cloud cover in July
Caldwell, ID

Average cloud cover in July - Caldwell, ID
  • Average cloud cover in July: 8

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in July
Caldwell, ID

Average visibility in July - Caldwell, ID
  • 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).

Caldwell, Idaho, USA

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