August weather forecast
Lemon Grove, CA

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Weather in August

August, the last month of the summer in Lemon Grove, is another warm month, with an average temperature varying between 82.9°F (28.3°C) and 65.8°F (18.8°C).

Temperature

August, known for its average high temperature of 82.9°F (28.3°C) and an average low temperature of 65.8°F (18.8°C), is the warmest month.

Heat index

The heat index for August is estimated at a tropical 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Note that heat index values are valued for light wind and location in the shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The average relative humidity in August is 61%.

Rainfall

In Lemon Grove, in August, it is raining for 1.9 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 33 rainfall days, and 2.52" (64mm) of precipitation is accumulated.

Daylight

In Lemon Grove, the average length of the day in August is 13h and 19min.
On the first day of August, sunrise is at 6:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:13 pm PDT.

Sunshine

In Lemon Grove, the average sunshine in August is 11.9h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are the warmest months in Lemon Grove?

August stands out as Lemon Grove's warmest month, with temperatures ranging between an average high of 82.9°F (28.3°C) and a low of 65.8°F (18.8°C).

Is it hot during August?

Lemon Grove in August has an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Lemon Grove?

In August, the average relative humidity is 61%.

How many days does it rain in August?

In August, the rain falls for 1.9 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

How many hours of daylight does Lemon Grove have in August?

The average day length in August is 13h and 19min.

When are sunrise and sunset in August in Lemon Grove?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:13 pm PDT.

How long on average sun shines in August?

In Lemon Grove, the average sunshine duration in August is 11.9h.

What are the months with the highest UV index?

The months with the highest UV index in Lemon Grove are June through September, with an average maximum UV index of 6.

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Lemon Grove, CA

Average temperature in August - Lemon Grove, CA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

Average pressure in August
Lemon Grove, CA

Average pressure in August - Lemon Grove, CA
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Lemon Grove, CA

Average wind speed in August - Lemon Grove, CA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

Average humidity in August
Lemon Grove, CA

Average humidity in August - Lemon Grove, CA
  • Average humidity in August: 61%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).

Average rainfall in August
Lemon Grove, CA

Average rainfall in August - Lemon Grove, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").

Average rainfall days in August
Lemon Grove, CA

Average rainfall days in August - Lemon Grove, CA
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).

Average daylight in August /
Average sunshine in August
Lemon Grove, CA

Average daylight in August / Average sunshine in August - Lemon Grove, CA
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 11h and 5min

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 42min).

Average sunshine days in August
Lemon Grove, CA

Average sunshine days in August - Lemon Grove, CA
  • Average sunshine days in August: 27.8 days

The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).

Average UV index in August
Lemon Grove, CA

Average UV index in August - Lemon Grove, CA
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in August
Lemon Grove, CA

Average cloud cover in August - Lemon Grove, CA
  • Average cloud cover in August: 7

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in August
Lemon Grove, CA

Average visibility in August - Lemon Grove, 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).

Lemon Grove, California, USA

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