August weather forecast
Moreno Knolls, CA

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Weather in August

August, the last month of the summer in Moreno Knolls, is another tropical month, with temperature in the range of an average high of 90.5°F (32.5°C) and an average low of 64°F (17.8°C).

Temperature

August is the warmest month of the year, registering average temperatures as high as 90.5°F (32.5°C) and as low as 64°F (17.8°C).

Heat index

Throughout August, the heat index is calculated to be a hot 93.2°F (34°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

August is the least humid month, with an average relative humidity of 43%.

Rainfall

In Moreno Knolls, during August, the rain falls for 3 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 54.3 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Snowfall

In Moreno Knolls, snow does not fall in January, March through December.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:48 pm. On the last day of August, in Moreno Knolls, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in August interprets into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Temperature records mark August as the warmest month, with highs averaging 90.5°F (32.5°C) and lows at 64°F (17.8°C).

How hot does it get in August?

The high-temperature, in August, in Moreno Knolls, records 90.5°F (32.5°C), while the low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 93.2°F (34°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 43%.

What is the average humidity in August in Moreno Knolls?

The average relative humidity in August in Moreno Knolls is 43%.

How much does it rain in August?

In Moreno Knolls, during August, the rain falls for 3 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow?

January, March through December are months without snowfall.

How many hours of daylight does Moreno Knolls have in August?

In August, the average day length is 13h and 23min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:00 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

How many hours of sunshine does Moreno Knolls have in August?

In Moreno Knolls, the average sunshine duration in August is 12h.

What is the month with the highest UV index?

July and August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in August in Moreno Knolls?

The average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Moreno Knolls, CA

Average temperature in August - Moreno Knolls, CA
  • Average high temperature in August: 90.5°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (59.9°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).

Average pressure in August
Moreno Knolls, CA

Average pressure in August - Moreno Knolls, CA
  • Average pressure in August: 29.87"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Moreno Knolls, CA

Average wind speed in August - Moreno Knolls, CA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

Average humidity in August
Moreno Knolls, CA

Average humidity in August - Moreno Knolls, CA
  • Average humidity in August: 43%

The months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (43%).

Average rainfall in August
Moreno Knolls, CA

Average rainfall in August - Moreno Knolls, CA
  • Average rainfall in August: 0.24"

The wettest months (with the highest rainfall) are February and December (1.26").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in August
Moreno Knolls, CA

Average rainfall days in August - Moreno Knolls, CA
  • Average rainfall days in August: 3 days

The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.3 days).

Average snowfall in August
Moreno Knolls, CA

Average snowfall in August - Moreno Knolls, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Moreno Knolls, CA

Average snowfall days in August - Moreno Knolls, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Moreno Knolls, CA

Average daylight in August / Average sunshine in August - Moreno Knolls, 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 months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in August
Moreno Knolls, CA

Average sunshine days in August - Moreno Knolls, CA
  • Average sunshine days in August: 24.9 days

The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is February (20.9 days).

Average UV index in August
Moreno Knolls, CA

Average UV index in August - Moreno Knolls, 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
Moreno Knolls, CA

Average cloud cover in August - Moreno Knolls, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in August
Moreno Knolls, CA

Average visibility in August - Moreno Knolls, 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).

Moreno Knolls, California, USA

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