August weather forecast
Welby, CO

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Weather in August

The last month of the summer, August, is another hot month in Welby, Colorado, with an average temperature fluctuating between 87.1°F (30.6°C) and 60.3°F (15.7°C).

Temperature

The advent of August denotes an average high-temperature of a still hot 87.1°F (30.6°C), subtly different from July's 88.3°F (31.3°C). Contrasted against daytime highs, Welby records an average nighttime low of 60.3°F (15.7°C) in August.

Humidity

The least humid month is August, with an average relative humidity of 39%.

Rainfall

In August, in Welby, the rain falls for 5.3 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. In Welby, Colorado, during the entire year, the rain falls for 48.3 days and collects up to 3.19" (81mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Welby, Colorado, is 13h and 41min.
On the first day of August in Welby, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm MDT.

Sunshine

In August, the average sunshine is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot is it in Welby in August?

In August, in Welby, the average high-temperature is 87.1°F (30.6°C), and the average low-temperature is 60.3°F (15.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 89.6°F (32°C).

What is the least humid month in Welby?

The least humid month in Welby is August, with an average relative humidity of 39%.

What is the average humidity in August in Welby?

The average relative humidity in August is 39%.

How much does it rain in Welby in August?

In August, in Welby, the rain falls for 5.3 days. Throughout August, 0.24" (6mm) of precipitation is accumulated.

When it does not snow in Welby?

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

What is the average length of the day in August in Welby?

In Welby, the average day length in August is 13h and 41min.

When are sunrise and sunset in August in Welby?

On the first day of August in Welby, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm MDT.

How long on average sun shines in August in Welby?

In Welby, Colorado, the average sunshine duration in August is 11.8h.

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

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

How high is the UV index in August in Welby?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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
Welby, CO

Average temperature in August - Welby, CO
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

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Average pressure in August
Welby, CO

Average pressure in August - Welby, CO
  • Average pressure in August: 30"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).

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Average wind speed in August
Welby, CO

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

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in August
Welby, CO

Average humidity in August - Welby, CO
  • Average humidity in August: 39%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in August
Welby, CO

Average rainfall in August - Welby, CO
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").

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Average rainfall days in August
Welby, CO

Average rainfall days in August - Welby, CO
  • Average rainfall days in August: 5.3 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).

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Average snowfall in August
Welby, CO

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

The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Welby, CO

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

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Welby, 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 24min).

  • Average sunshine in August: 11h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in August
Welby, CO

Average sunshine days in August - Welby, CO
  • Average sunshine days in August: 22.3 days

The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).

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Average UV index in August
Welby, CO

Average UV index in August - Welby, 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).

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Average cloud cover in August
Welby, CO

Average cloud cover in August - Welby, CO
  • Average cloud cover in August: 16

The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in August
Welby, CO

Average visibility in August - Welby, 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).

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Welby, Colorado, USA

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