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
August's average high-temperature is a still hot 89.1°F (31.7°C), maintaining a close comparison with July's 89.6°F (32°C). Despite a significant daily temperature range, Upper Lake's temperature falls to a steady low-temperature average of 57.4°F (14.1°C) in August.Heat index
Throughout August, the heat index is estimated at a tropical 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Upper Lake, the average relative humidity in August is 48%.Rainfall
In August, the rain falls for 1.3 days. Throughout August, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 92 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 39min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:23 pm. On the last day of August, in Upper Lake, sunrise is at 6:40 am and sunset at 7:43 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 during August translates into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Upper Lake have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Upper Lake, CA
- Average high temperature in August: 89.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (52.3°F).
- Average low temperature in August: 57.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in August
Upper Lake, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in August
Upper Lake, CA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is November (4.1mph).
Average humidity in August
Upper Lake, CA
- Average humidity in August: 48%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (47%).
Average rainfall in August
Upper Lake, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in August
Upper Lake, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (15.9 days).
The months with the least rainy days are July and August (1.3 days).
Average snowfall in August
Upper Lake, CA
- Average snowfall in August: 0"
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Upper Lake, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Upper Lake, CA
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Upper Lake, CA
- Average sunshine days in August: 28.3 days
The months with the most sunshine days are July and August (28.3 days).
The month with the least sunshine days is March (13.7 days).
Average UV index in August
Upper Lake, CA
- 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 3).
Average cloud cover in August
Upper Lake, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in August
Upper Lake, CA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are March and December (5mi).
Upper Lake, California, USA
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