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 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
The arrival of August brings an average high-temperature of a still tropical 87.4°F (30.8°C), closely following the temperature pattern of July. Hollister registers a marked temperature plunge to a mild 55.4°F (13°C) during the cool August nights.Heat index
For most parts of August, the heat index is evaluated at a tropical 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Hollister, the average relative humidity in August is 56%.Rainfall
The months with the least rainfall in Hollister are July and August Rain falls for 0.3 days and accumulates 0.04" (1mm) of rain.Daylight
In Hollister, California, the average length of the day in August is 13h and 31min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:11 pm. On the last day of August, in Hollister, California, sunrise is at 6:36 am and sunset at 7:34 pm PDT.
Sunshine
In Hollister, California, the average sunshine in August is 12h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In August, a regular UV index of 6 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
Is it hot in Hollister during August?
What is the average humidity in August in Hollister?
What is the driest month in Hollister?
How much does it rain in Hollister in August?
What is the average length of the day in August in Hollister?
When are sunrise and sunset in August in Hollister?
How long on average sun shines in August in Hollister?
What is the month with the highest UV index in Hollister?
What is the UV index reading in August in Hollister?
Average temperature in August
Hollister, CA
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (57.4°F).
- Average low temperature in August: 55.4°F
The month with the highest average low temperature is August (55.4°F).
The coldest months (with the lowest average low temperature) are March and December (40.3°F).
Average pressure in August
Hollister, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in August
Hollister, CA
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).
Average humidity in August
Hollister, CA
- Average humidity in August: 56%
The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is July (53%).
Average rainfall in August
Hollister, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Hollister, CA
- Average rainfall days in August: 0.3 days
The month with the highest number of rainy days is March (11.6 days).
The month with the least rainy days is August (0.3 days).
Average daylight in August /
Average sunshine in August
Hollister, CA
- Average daylight in August: 13h and 3min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in August
Hollister, CA
- Average sunshine days in August: 30.3 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is March (18.6 days).
Average UV index in August
Hollister, 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
Hollister, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in August
Hollister, 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).
Hollister, California, USA
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