July weather forecast
Littleton, CO

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The hilly slopes on the South Platte River during the fall, large rocks, and stones in the river below
The hilly slopes on the South Platte River during the fall, large rocks, and stones in the river below

Weather in July

July is the hottest month of the year in Littleton, Colorado, providing peak summer conditions with average high temperatures peaking at 86°F (30°C). An increase in rainfall to 1.57" (40mm) adds a slight humidity to the warm days. Consistent weather patterns assure this month as distinctly summery, highlighted by clear skies and warmer temperatures. Longer daylight hours remain a constant, allowing for extensive sunny days. Yet, the period is also characterized by moderate wind conditions, providing a refreshing respite from the high temperatures.

Temperature

July is Littleton's warmest month, registering average high temperatures of 86°F (30°C) and lows of 59.7°F (15.4°C).

Heat index

In July, the heat index is calculated to be a hot 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity in Littleton is 44%.

Rainfall

In July, the rain falls for 14.6 days. Throughout July, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 101.2 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Littleton.

Daylight

In July, the average length of the day is 14h and 38min.
On the first day of July, sunrise is at 5:36 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:13 pm MDT.

Sunshine

The months with the most sunshine in Littleton are June through August, with an average of 11.8h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Littleton. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Littleton?

July, marked by an average high-temperature of 86°F (30°C) and a low-temperature of 59.7°F (15.4°C), is the warmest month.

Is it hot in Littleton during July?

The average high-temperature, in July, in Littleton, is 86°F (30°C), while the average low-temperature is 59.7°F (15.4°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in July in Littleton?

In July, the average relative humidity in Littleton, Colorado, is 44%.

How much does it rain in Littleton in July?

In Littleton, in July, during 14.6 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow in Littleton?

June through September are months without snowfall.

How many hours of daylight does Littleton have in July?

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

When is the sunrise / sunset in July in Littleton?

In July, on the first day of the month, sunrise is at 5:36 am and sunset at 8:31 pm. On the last day of the month, in Littleton, sunrise is at 5:59 am and sunset at 8:13 pm MDT.

What are the months with the most sunshine in Littleton?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine in Littleton, Colorado.

How long on average sun shines in July in Littleton?

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

When is the highest UV index in Littleton?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Littleton.

What is the UV index reading in July in Littleton?

In July, the average daily maximum UV index in Littleton, Colorado, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Littleton, CO

Average temperature in July - Littleton, CO
  • Average high temperature in July: 86°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).

  • Average low temperature in July: 59.7°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average pressure in July
Littleton, CO

Average pressure in July - Littleton, CO
  • Average pressure in July: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

Average wind speed in July
Littleton, CO

Average wind speed in July - Littleton, CO
  • Average wind speed in July: 6.2mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).

Average humidity in July
Littleton, CO

Average humidity in July - Littleton, CO
  • Average humidity in July: 44%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).

Average rainfall in July
Littleton, CO

Average rainfall in July - Littleton, CO
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in July
Littleton, CO

Average rainfall days in July - Littleton, CO
  • Average rainfall days in July: 14.6 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).

Average snowfall in July
Littleton, CO

Average snowfall in July - Littleton, CO
  • Average snowfall in July: 0"

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Littleton, CO

Average snowfall days in July - Littleton, CO
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Littleton, CO

Average daylight in July / Average sunshine in July - Littleton, 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 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in July
Littleton, CO

Average sunshine days in July - Littleton, CO
  • Average sunshine days in July: 10 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).

Average UV index in July
Littleton, CO

Average UV index in July - Littleton, CO
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Littleton, CO

Average cloud cover in July - Littleton, CO
  • Average cloud cover in July: 19

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in July
Littleton, CO

Average visibility in July - Littleton, CO
  • 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).

Littleton, Colorado, USA

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