August weather forecast
Lamar, CO

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Weather in August

August, the last month of the summer in Lamar, is another tropical month, with an average temperature ranging between min 68.2°F (20.1°C) and max 89.8°F (32.1°C).

Temperature

As Lamar steps into August, the average high-temperature holds at a still tropical 89.8°F (32.1°C), hinting at a minor fluctuation from the prior month. Lamar receives a consistent average low-temperature of 68.2°F (20.1°C) in August, a substantial dip from the day's heat.

Heat index

For August, the heat index is calculated to be a tropical 91.4°F (33°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In August, the average relative humidity is 45%.

Rainfall

In Lamar, during August, the rain falls for 9.1 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 79.5 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Lamar, the average length of the day in August is 13h and 35min.
On the first day of August, sunrise is at 5:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:21 pm MDT.

Sunshine

In August, the average sunshine is 11.8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, a regular UV index of 7 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature and low-temperature during August are 89.8°F (32.1°C) and 68.2°F (20.1°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in August?

In August, the average relative humidity is 45%.

How many days does it rain in August in Lamar?

In Lamar, in August, it is raining for 9.1 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Lamar have in August?

In August, the average day length is 13h and 35min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:21 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.8h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index reading in August?

The average daily maximum UV index in August is 7. 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 August
Lamar, CO

Average temperature in August - Lamar, CO
  • Average high temperature in August: 89.8°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure in August
Lamar, CO

Average pressure in August - Lamar, CO
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in August
Lamar, CO

Average wind speed in August - Lamar, CO
  • Average wind speed in August: 9.9mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity in August
Lamar, CO

Average humidity in August - Lamar, CO
  • Average humidity in August: 45%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall in August
Lamar, CO

Average rainfall in August - Lamar, CO
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in August
Lamar, CO

Average rainfall days in August - Lamar, CO
  • Average rainfall days in August: 9.1 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in August
Lamar, CO

Average snowfall in August - Lamar, CO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Lamar, CO

Average snowfall days in August - Lamar, CO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Lamar, CO

Average daylight in August / Average sunshine in August - Lamar, CO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in August
Lamar, CO

Average sunshine days in August - Lamar, CO
  • Average sunshine days in August: 20 days

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in August
Lamar, CO

Average UV index in August - Lamar, CO
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in August
Lamar, CO

Average cloud cover in August - Lamar, CO
  • Average cloud cover in August: 15

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in August
Lamar, CO

Average visibility in August - Lamar, CO
  • Average visibility in August: 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).

Lamar, Colorado, USA

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