July weather forecast
Lemon Grove, CA

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Weather in July

July, the same as June, is a moderately hot summer month in Lemon Grove, California, with an average temperature fluctuating between 64°F (17.8°C) and 80.6°F (27°C).

Temperature

July's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 80.6°F (27°C) from June's 75.9°F (24.4°C). Nightly temperatures drop to an average low of 64°F (17.8°C) in July.

Heat index

The heat index in July is calculated to be 82.4°F (28°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Lemon Grove, the average relative humidity in July is 64%.

Rainfall

June, July and October are months with the least rain when the rain falls for 2 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In July, the average length of the day is 14h and 4min.
On the first day of July, sunrise is at 5:44 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:47 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the average July temperature in Lemon Grove?

The high-temperature, in July, in Lemon Grove, records 80.6°F (27°C), while the low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in July is calculated to be 82.4°F (28°C).

What is the average humidity in July in Lemon Grove?

In Lemon Grove, California, the average relative humidity in July is 64%.

What is the driest month in Lemon Grove?

June, July and October are months with the least rain in Lemon Grove, California, when the rain falls for 2 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in July in Lemon Grove?

In Lemon Grove, California, in July, it is raining for 2 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the average length of the day in July in Lemon Grove?

In July, the average day length is 14h and 4min.

What time are sunrise and sunset in July in Lemon Grove?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:00 pm. On the last day of the month, in Lemon Grove, sunrise is at 6:01 am and sunset at 7:47 pm PDT.

What month has the most sunshine in Lemon Grove?

The month with the most sunshine in Lemon Grove is July, with an average of 12.1h of sunshine.

How many hours of sunshine does Lemon Grove have in July?

The average sunshine duration in July in Lemon Grove, California, is 12.1h.

When is the highest UV index in Lemon Grove?

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

How high is the UV index in July in Lemon Grove?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Lemon Grove, CA

Average temperature in July - Lemon Grove, CA
  • Average high temperature in July: 80.6°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 July: 64°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).

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Average pressure in July
Lemon Grove, CA

Average pressure in July - Lemon Grove, CA
  • Average pressure in July: 29.9"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).

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Average wind speed in July
Lemon Grove, CA

Average wind speed in July - Lemon Grove, CA
  • Average wind speed in July: 4.9mph

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).

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Average humidity in July
Lemon Grove, CA

Average humidity in July - Lemon Grove, CA
  • Average humidity in July: 64%

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

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Average rainfall in July
Lemon Grove, CA

Average rainfall in July - Lemon Grove, CA
  • Average rainfall in July: 0.04"

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").

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Average rainfall days in July
Lemon Grove, CA

Average rainfall days in July - Lemon Grove, CA
  • Average rainfall days in July: 2 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).

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

Average daylight in July / Average sunshine in July - Lemon Grove, CA
  • Average daylight in July: 14h and 1min

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 July: 12h and 1min

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).

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Average sunshine days in July
Lemon Grove, CA

Average sunshine days in July - Lemon Grove, CA
  • Average sunshine days in July: 28.4 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).

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Average UV index in July
Lemon Grove, CA

Average UV index in July - Lemon Grove, CA
  • Average UV index in July: 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).

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Average cloud cover in July
Lemon Grove, CA

Average cloud cover in July - Lemon Grove, CA
  • Average cloud cover in July: 9

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).

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Average visibility in July
Lemon Grove, CA

Average visibility in July - Lemon Grove, CA
  • Average visibility in July: 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).

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Lemon Grove, California, USA

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