July weather forecast
New Castle, CO

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Weather in July

July, the same as June, is another warm summer month in New Castle, Colorado, with an average temperature ranging between max 80.2°F (26.8°C) and min 50.4°F (10.2°C).

Temperature

July is the month that records the highest temperatures, with averages ranging from a high of 80.2°F (26.8°C) to a low of 50.4°F (10.2°C).

Humidity

In New Castle, the average relative humidity in July is 48%.

Rainfall

In New Castle, Colorado, in July, it is raining for 11 days, with typically 0.67" (17mm) of accumulated precipitation. In New Castle, during the entire year, the rain falls for 107.7 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

June through September are months without snowfall in New Castle, Colorado.

Daylight

In New Castle, the average length of the day in July is 14h and 38min.
On the first day of July, sunrise is at 5:46 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:23 pm MDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during July translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in New Castle?

The temperatures reach their highest averages in July, with highs of 80.2°F (26.8°C) and lows of 50.4°F (10.2°C).

What are July temperatures in New Castle?

New Castle in July has an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 50.4°F (10.2°C).

What is the average humidity in July in New Castle?

The average relative humidity in July is 48%.

How many days does it rain in July in New Castle?

In July, in New Castle, the rain falls for 11 days. Throughout July, 0.67" (17mm) of precipitation is accumulated.

When it does not snow in New Castle?

June through September are months without snowfall in New Castle, Colorado.

How many hours of daylight does New Castle have in July?

In July, the average day length is 14h and 38min.

When is the sunrise / sunset in July in New Castle?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:23 pm MDT.

What are the months with the most sunshine in New Castle?

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

How many hours of sunshine does New Castle have in July?

In July, the average sunshine duration in New Castle, Colorado, is 11.9h.

When is the highest UV index in New Castle?

June through August, with an average maximum UV index of 5, are months with the highest UV index in New Castle.

What is the UV index reading in July in New Castle?

In July, the average daily maximum UV index in New Castle is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
New Castle, CO

Average temperature in July - New Castle, CO
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in July: 50.4°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in July
New Castle, CO

Average pressure in July - New Castle, CO
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).

Average wind speed in July
New Castle, CO

Average wind speed in July - New Castle, CO
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.1mph).

Average humidity in July
New Castle, CO

Average humidity in July - New Castle, CO
  • Average humidity in July: 48%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is June (43%).

Average rainfall in July
New Castle, CO

Average rainfall in July - New Castle, CO
  • Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.51").

Average rainfall days in July
New Castle, CO

Average rainfall days in July - New Castle, CO
  • Average rainfall days in July: 11 days

The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is June (5.9 days).

Average snowfall in July
New Castle, CO

Average snowfall in July - New Castle, CO
  • Average snowfall in July: 0"

The month with the highest snowfall is February (8.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
New Castle, CO

Average snowfall days in July - New Castle, CO
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
New Castle, CO

Average daylight in July / Average sunshine in July - New Castle, CO
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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: 6h and 6min).

Average sunshine days in July
New Castle, CO

Average sunshine days in July - New Castle, CO
  • Average sunshine days in July: 14.6 days

The month with the most sunshine days is June (20.7 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in July
New Castle, CO

Average UV index in July - New Castle, CO
  • Average UV index in July: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in July
New Castle, CO

Average cloud cover in July - New Castle, CO
  • Average cloud cover in July: 15

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 12).

Average visibility in July
New Castle, CO

Average visibility in July - New Castle, CO
  • Average visibility in July: 6mi

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

New Castle, Colorado, USA

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