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 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 Rancho Cucamonga, the peak temperatures are generally noted in August, averaging a high of 91.8°F (33.2°C) and a low of 66.6°F (19.2°C).Heat index
The average heat index in August is computed to be a hot 93.2°F (34°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
With an average relative humidity of 41%, August is the least humid month in Rancho Cucamonga.Rainfall
In Rancho Cucamonga, in August, it is raining for 1.9 days, with typically 0.12" (3mm) of accumulated precipitation. In Rancho Cucamonga, during the entire year, the rain falls for 42.3 days and collects up to 4.53" (115mm) of precipitation.Snowfall
In Rancho Cucamonga, snow does not fall in January, March through December.Daylight
In August, the average length of the day in Rancho Cucamonga is 13h and 23min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:17 pm PDT.
Sunshine
In Rancho Cucamonga, the average sunshine in August is 12h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index in Rancho Cucamonga. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: During August, 7 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the warmest months in Rancho Cucamonga?
How hot does it get in Rancho Cucamonga in August?
What is the least humid month in Rancho Cucamonga?
What is the average humidity in August in Rancho Cucamonga?
How many days does it rain in August in Rancho Cucamonga?
When it does not snow in Rancho Cucamonga?
How many hours of daylight does Rancho Cucamonga have in August?
What time are sunrise and sunset in August in Rancho Cucamonga?
How long on average sun shines in August in Rancho Cucamonga?
What is the month with the highest UV index in Rancho Cucamonga?
What is the UV index reading in August in Rancho Cucamonga?
Average temperature in August
Rancho Cucamonga, CA
- Average high temperature in August: 91.8°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in August: 66.6°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).
Average pressure in August
Rancho Cucamonga, CA
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Rancho Cucamonga, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in August
Rancho Cucamonga, CA
- Average humidity in August: 41%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in August
Rancho Cucamonga, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Rancho Cucamonga, CA
- Average rainfall days in August: 1.9 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in August
Rancho Cucamonga, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Rancho Cucamonga, CA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in August
Rancho Cucamonga, CA
- Average sunshine days in August: 26.8 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in August
Rancho Cucamonga, CA
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Rancho Cucamonga, CA
- Average cloud cover in August: 5
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Rancho Cucamonga, CA
- 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).
Rancho Cucamonga, California, USA
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