August weather forecast
Blue River, CO

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Weather in August

August, the last month of the summer in Blue River, is another refreshing month, with an average temperature ranging between max 63.7°F (17.6°C) and min 37.9°F (3.3°C).

Temperature

August's beginning signals an average high-temperature of a still refreshing 63.7°F (17.6°C), barely different from July's 65.8°F (18.8°C). The August nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 37.9°F (3.3°C).

Humidity

In Blue River, the average relative humidity in August is 61%.

Rainfall

In August, the rain falls for 17.8 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 110.4 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through December. In Blue River, during August, snow falls for 2.2 days and regularly aggregates up to 0.47" (12mm) of snow. In Blue River, during the entire year, snow falls for 158 days and aggregates up to 118.82" (3018mm) of snow.

Daylight

In Blue River, Colorado, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:36 pm MDT.

Sunshine

The average sunshine in August is 11h.

UV index

May through August, with an average maximum UV index of 3, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 3 in August transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

An average high-temperature, in August, in Blue River, is 63.7°F (17.6°C) and the average low-temperature is 37.9°F (3.3°C).

What is the average humidity in August?

The average relative humidity in August in Blue River is 61%.

How many days does it rain in August?

In August, the rain falls for 17.8 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in August?

In Blue River, Colorado, in August, during 2.2 snowfall days, 0.47" (12mm) of snow is typically accumulated.

How many hours of daylight does Blue River have in August?

The average day length in August is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:04 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:36 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11h.

When is the highest UV index?

May through August, with an average maximum UV index of 3, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Blue River, CO

Average temperature in August - Blue River, CO
  • Average high temperature in August: 63.7°F

The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).

  • Average low temperature in August: 37.9°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).

Average pressure in August
Blue River, CO

Average pressure in August - Blue River, CO
  • Average pressure in August: 30.06"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).

Average wind speed in August
Blue River, CO

Average wind speed in August - Blue River, CO
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Blue River, CO

Average humidity in August - Blue River, CO
  • Average humidity in August: 61%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).

Average rainfall in August
Blue River, CO

Average rainfall in August - Blue River, CO
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in August
Blue River, CO

Average rainfall days in August - Blue River, CO
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).

Average snowfall in August
Blue River, CO

Average snowfall in August - Blue River, CO
  • Average snowfall in August: 0.47"

The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").

Average snowfall days in August
Blue River, CO

Average snowfall days in August - Blue River, CO
  • Average snowfall days in August: 2.2 days

The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).

Average daylight in August /
Average sunshine in August
Blue River, CO

Average daylight in August / Average sunshine in August - Blue River, CO
  • Average daylight in August: 13h 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 August: 11h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in August
Blue River, CO

Average sunshine days in August - Blue River, CO
  • Average sunshine days in August: 9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).

Average UV index in August
Blue River, CO

Average UV index in August - Blue River, CO
  • Average UV index in August: 3

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in August
Blue River, CO

Average cloud cover in August - Blue River, CO
  • Average cloud cover in August: 25

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).

Average visibility in August
Blue River, CO

Average visibility in August - Blue River, CO
  • Average visibility in August: 6mi

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

Blue River, Colorado, USA

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