August weather forecastSan Luis, CO
August
Weather in August
The last month of the summer, August, is another warm month in San Luis, Colorado, with an average temperature ranging between min 48.6°F (9.2°C) and max 74.8°F (23.8°C).Temperature
August experiences an average high-temperature of a still warm 74.8°F (23.8°C), barely different from July's 76.6°F (24.8°C). San Luis observes a dramatic plunge from daytime highs in August, settling at an average low-temperature of 48.6°F (9.2°C).Humidity
In August, the average relative humidity is 51%.Rainfall
In San Luis, in August, during 8.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In San Luis, during the entire year, the rain falls for 72.2 days and collects up to 8.82" (224mm) of precipitation.Snowfall
In San Luis, Colorado, snow does not fall in July and August.Daylight
In August, the average length of the day in San Luis, Colorado, is 13h and 32min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:31 pm MDT.
Sunshine
In August, the average sunshine in San Luis is 11.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
San Luis, CO
- Average high temperature in August: 74.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 48.6°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in August
San Luis, CO
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in August
San Luis, CO
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in August
San Luis, CO
- Average humidity in August: 51%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).
Average rainfall in August
San Luis, CO
- Average rainfall in August: 0.83"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in August
San Luis, CO
- Average rainfall days in August: 8.9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in August
San Luis, CO
- Average snowfall in August: 0"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").
Average snowfall days in August
San Luis, CO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
San Luis, CO
- Average daylight in August: 13h and 30min
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 42min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in August
San Luis, CO
- Average sunshine days in August: 19 days
The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in August
San Luis, CO
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
San Luis, CO
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).
Average visibility in August
San Luis, CO
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
