August weather forecast
Montrose, CO

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A river passing through a public park in Montrose, Colorado
A river passing through a public park in Montrose, Colorado

Weather in August

Contrary to the trend of consistent weather changes from one month to another, August's weather in Montrose remains fairly consistent with July's. Subtle uplift is noted with rainfall, but that hardly dampens the city's typically sizzling summer. Meanwhile, daylight hours slightly decline, with this month confirming the beginning of summer's departure. However, temperatures remain quite high. With plans for outdoor leisure, it would be wise to consider the slightly increased rainfall.

Temperature

The transition into August in Montrose, Colorado, notes an average high-temperature of a still warm 82°F (27.8°C), revealing a mild distinction from the 84°F (28.9°C) in July. Montrose registers a significant drop in temperature in August, with average nighttime lows of 54.3°F (12.4°C).

Heat index

For August, the heat index is appraised at 82.4°F (28°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in August is 42%.

Rainfall

In August, the rain falls for 8.2 days. Throughout August, 0.63" (16mm) of precipitation is accumulated. In Montrose, during the entire year, the rain falls for 104.5 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

June through September are months without snowfall in Montrose.

Daylight

In August, the average length of the day in Montrose is 13h and 37min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:42 pm MDT.

Sunshine

In August, the average sunshine in Montrose is 11.9h.

UV index

In Montrose, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Montrose?

An average high-temperature, in August, in Montrose, is 82°F (27.8°C) and the average low-temperature is 54.3°F (12.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 82.4°F (28°C).

What is the average humidity in August in Montrose?

The average relative humidity in August is 42%.

How many days does it rain in August in Montrose?

In August, the rain falls for 8.2 days. Throughout August, 0.63" (16mm) of precipitation is accumulated.

When it does not snow in Montrose?

June through September are months without snowfall.

How many hours of daylight does Montrose have in August?

In August, the average day length is 13h and 37min.

What time are sunrise and sunset in August in Montrose?

On the first day of August in Montrose, sunrise is at 6:14 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:42 pm MDT.

How long on average sun shines in August in Montrose?

The average sunshine duration in August in Montrose, Colorado, is 11.9h.

What is the UV index intensity in August in Montrose?

In Montrose, Colorado, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Montrose, CO

Average temperature in August - Montrose, CO
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 54.3°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in August
Montrose, CO

Average pressure in August - Montrose, CO
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).

Average wind speed in August
Montrose, CO

Average wind speed in August - Montrose, CO
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity in August
Montrose, CO

Average humidity in August - Montrose, CO
  • Average humidity in August: 42%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (32%).

Average rainfall in August
Montrose, CO

Average rainfall in August - Montrose, CO
  • Average rainfall in August: 0.63"

The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is June (0.47").

Average rainfall days in August
Montrose, CO

Average rainfall days in August - Montrose, CO
  • Average rainfall days in August: 8.2 days

The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is November (6.1 days).

Average snowfall in August
Montrose, CO

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

The month with the highest snowfall is December (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Montrose, CO

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

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Montrose, 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 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in August
Montrose, CO

Average sunshine days in August - Montrose, CO
  • Average sunshine days in August: 17.6 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in August
Montrose, CO

Average UV index in August - Montrose, CO
  • Average UV index in August: 5

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

Average cloud cover in August
Montrose, CO

Average cloud cover in August - Montrose, CO
  • Average cloud cover in August: 12

The months with the most cloud cover are January and February (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 11).

Average visibility in August
Montrose, CO

Average visibility in August - Montrose, CO
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Montrose, Colorado, USA

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