Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In August, Lewis experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 84.7°F (29.3°C) in July to a still moderately hot 82°F (27.8°C). Lewis witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 60.4°F (15.8°C) throughout August.Heat index
The heat index for August is appraised at 80.6°F (27°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The average relative humidity in August is 40%.Rainfall
In Lewis, during August, the rain falls for 8.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Lewis, during the entire year, the rain falls for 78.9 days and collects up to 9.84" (250mm) of precipitation.Snowfall
In Lewis, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:44 am and sunset at 7:44 pm MDT.
Sunshine
In Lewis, Colorado, the average sunshine in August is 11.9h.UV index
The months with the highest UV index in Lewis, Colorado, are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Lewis?
What is the average humidity in August in Lewis?
How much does it rain in Lewis in August?
When it does not snow in Lewis?
How many hours of daylight does Lewis have in August?
When is the sunrise / sunset in August in Lewis?
How many hours of sunshine does Lewis have in August?
What are the months with the highest UV index in Lewis?
What is the UV index reading in August in Lewis?
Average temperature in August
Lewis, CO
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Lewis, CO
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Lewis, CO
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in August
Lewis, CO
- Average humidity in August: 40%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).
Average rainfall in August
Lewis, CO
- Average rainfall in August: 0.75"
The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in August
Lewis, CO
- Average rainfall days in August: 8.8 days
The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in August
Lewis, CO
- Average snowfall in August: 0"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Lewis, CO
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lewis, CO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
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 June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in August
Lewis, CO
- Average sunshine days in August: 19.1 days
The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).
Average UV index in August
Lewis, 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
Lewis, CO
- Average cloud cover in August: 12
The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in August
Lewis, 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).
Lewis, Colorado, USA
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