August weather forecast
Stoneham, CO

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Weather in August

The last month of the summer, August, is another tropical month in Stoneham, Colorado, with an average temperature varying between 86.2°F (30.1°C) and 63.3°F (17.4°C).

Temperature

With the start of August, Stoneham measures an average high-temperature of a still tropical 86.2°F (30.1°C), not significantly differing from July's 88.5°F (31.4°C). During August nights, Stoneham documents a marked contrast from daily highs, with an average temperature of 63.3°F (17.4°C).

Heat index

In August, the average heat index is estimated at a hot 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

The average relative humidity in August is 48%.

Rainfall

In Stoneham, in August, it is raining for 13.3 days, with typically 1.69" (43mm) of accumulated precipitation. In Stoneham, during the entire year, the rain falls for 123.2 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of August, sunrise is at 5:52 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:27 pm MDT.

Sunshine

June and August, with an average of 11.7h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Stoneham, is 86.2°F (30.1°C), while the low-temperature averages to 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in August?

In Stoneham, the average relative humidity in August is 48%.

How many days does it rain in August?

In Stoneham, in August, it is raining for 13.3 days, with typically 1.69" (43mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Stoneham have in August?

In Stoneham, the average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:27 pm MDT.

What is the month with the most sunshine?

June and August, with an average of 11.7h of sunshine, are months with the most sunshine in Stoneham.

How long on average sun shines in August?

In Stoneham, the average sunshine duration in August is 11.7h.

When is the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Stoneham, CO

Average temperature in August - Stoneham, CO
  • Average high temperature in August: 86.2°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in August
Stoneham, CO

Average pressure in August - Stoneham, CO
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Stoneham, CO

Average wind speed in August - Stoneham, CO
  • Average wind speed in August: 9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in August
Stoneham, CO

Average humidity in August - Stoneham, CO
  • Average humidity in August: 48%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in August
Stoneham, CO

Average rainfall in August - Stoneham, CO
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Stoneham, CO

Average rainfall days in August - Stoneham, CO
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in August
Stoneham, CO

Average snowfall in August - Stoneham, CO
  • Average snowfall in August: 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 August
Stoneham, CO

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

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Stoneham, CO
  • Average daylight in August: 13h 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 18min).

  • Average sunshine in August: 11h and 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in August
Stoneham, CO

Average sunshine days in August - Stoneham, CO
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Stoneham, CO

Average UV index in August - Stoneham, CO
  • Average UV index in August: 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 August
Stoneham, CO

Average cloud cover in August - Stoneham, CO
  • Average cloud cover in August: 17

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in August
Stoneham, CO

Average visibility in August - Stoneham, 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).

Stoneham, Colorado, USA

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