July weather forecast
Louisville, CO

Share

Weather in July

July, like June, in Louisville, Colorado, is a moderately hot summer month, with an average temperature ranging between min 59°F (15°C) and max 85.5°F (29.7°C).

Temperature

Louisville, Colorado, notes the warmest temperatures in July, with a high average of 85.5°F (29.7°C) and a low of 59°F (15°C).

Heat index

For most parts of July, the heat index is estimated at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

The wettest months in Louisville, Colorado, are May and July, with an average 0.87" (22mm) of rainfall.

Snowfall

In Louisville, Colorado, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 41min.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of July, in Louisville, sunrise is at 5:58 am and sunset at 8:14 pm MDT.

Sunshine

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

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during July translates into the following guidance:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Louisville?

July is the warmest month, with the temperature often reaching an average high of 85.5°F (29.7°C) and an average low of 59°F (15°C).

Is it hot in Louisville during July?

The average high-temperature, in July, in Louisville, is 85.5°F (29.7°C), while the average low-temperature is 59°F (15°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in July in Louisville?

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

What is the rainiest month in Louisville?

The wettest months in Louisville, Colorado, are May and July, with an average 0.87" (22mm) of rainfall.

How much does it rain in Louisville in July?

In July, in Louisville, Colorado, the rain falls for 13.5 days. Throughout July, 0.87" (22mm) of precipitation is accumulated.

When it does not snow in Louisville?

In Louisville, snow does not fall in June through September.

What is the average length of the day in July in Louisville?

In July, the average day length in Louisville, Colorado, is 14h and 41min.

When is the sunrise / sunset in July in Louisville?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of the month, in Louisville, Colorado, sunrise is at 5:58 am and sunset at 8:14 pm MDT.

What are the months with the most sunshine in Louisville?

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

How long on average sun shines in July in Louisville?

The average sunshine duration in July in Louisville is 11.8h.

What is the month with the highest UV index in Louisville?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Louisville, Colorado.

What is the UV index reading in July in Louisville?

In July, the average daily maximum UV index in Louisville is 6. A UV Index reading of 6 to 7 represents a high 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
Louisville, CO

Average temperature in July - Louisville, CO
  • Average high temperature in July: 85.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (39.4°F).

  • Average low temperature in July: 59°F

The month with the highest average low temperature is July (59°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).

Average pressure in July
Louisville, CO

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

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

Average wind speed in July
Louisville, CO

Average wind speed in July - Louisville, CO
  • Average wind speed in July: 5.7mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

Average humidity in July
Louisville, CO

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

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is August (41%).

Average rainfall in July
Louisville, CO

Average rainfall in July - Louisville, CO
  • Average rainfall in July: 0.87"

The wettest months (with the highest rainfall) are May and July (0.87").
The driest month (with the least rainfall) is January (0.16").

Average rainfall days in July
Louisville, CO

Average rainfall days in July - Louisville, CO
  • Average rainfall days in July: 13.5 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (3.5 days).

Average snowfall in July
Louisville, CO

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

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Louisville, CO

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

The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
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 42min).

Average sunshine days in July
Louisville, CO

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

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (10 days).

Average UV index in July
Louisville, CO

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

The months with the highest UV index are 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
Louisville, CO

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

The months with the most cloud cover are April and May (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in July
Louisville, CO

Average visibility in July - Louisville, 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).

Louisville, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location