July weather forecastLittleton, CO

July
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 14h and 36min
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 48min
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: 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: 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: 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: 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).








