July weather forecast
Monrovia, CA

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Weather in July

July is a tropical summer month in Monrovia, California, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 86.9°F (30.5°C).

Temperature

Monrovia in July experiences a slight uptick in the average high-temperature, adjusting from June's warm 81.5°F (27.5°C) to a hot 86.9°F (30.5°C). July nights in Monrovia present a stark temperature decrease to a refreshing 63.5°F (17.5°C).

Heat index

The heat index for July is evaluated at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In Monrovia, the average relative humidity in July is 50%.

Rainfall

In Monrovia, during July, the rain falls for 3.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 50.9 rainfall days, and 8.46" (215mm) of precipitation is accumulated.

Daylight

In Monrovia, the average length of the day in July is 14h and 10min.
On the first day of July, sunrise is at 5:44 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:53 pm PDT.

Sunshine

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

UV index

June through September, 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot does it get in Monrovia in July?

Monrovia in July has an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 63.5°F (17.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in July in Monrovia?

The average relative humidity in July is 50%.

How much does it rain in Monrovia in July?

In Monrovia, in July, it is raining for 3.2 days, with typically 0.2" (5mm) of accumulated precipitation.

How many hours of daylight does Monrovia have in July?

In July, the average day length in Monrovia is 14h and 10min.

When is the sunrise / sunset in July in Monrovia?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:07 pm. On the last day of the month, in Monrovia, California, sunrise is at 6:03 am and sunset at 7:53 pm PDT.

What month has the most sunshine in Monrovia?

July has the most sunshine of the year in Monrovia, California, with an average of 12.1h of sunshine.

How long on average sun shines in July in Monrovia?

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

When is the highest UV index in Monrovia?

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

How high is the UV index in July in Monrovia?

In Monrovia, California, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Monrovia, CA

Average temperature in July - Monrovia, CA
  • Average high temperature in July: 86.9°F

The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in July: 63.5°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).

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Average pressure in July
Monrovia, CA

Average pressure in July - Monrovia, CA
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in July
Monrovia, CA

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

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in July
Monrovia, CA

Average humidity in July - Monrovia, CA
  • Average humidity in July: 50%

The months with the highest relative humidity are March and May (56%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in July
Monrovia, CA

Average rainfall in July - Monrovia, CA
  • Average rainfall in July: 0.2"

The wettest months (with the highest rainfall) are February and December (1.77").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Monrovia, CA

Average rainfall days in July - Monrovia, CA
  • Average rainfall days in July: 3.2 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.1 days).

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Average daylight in July /
Average sunshine in July
Monrovia, CA

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

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 July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).

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Average sunshine days in July
Monrovia, CA

Average sunshine days in July - Monrovia, CA
  • Average sunshine days in July: 25.6 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21 days).

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Average UV index in July
Monrovia, CA

Average UV index in July - Monrovia, CA
  • Average UV index in July: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in July
Monrovia, CA

Average cloud cover in July - Monrovia, CA
  • Average cloud cover in July: 6

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in July
Monrovia, CA

Average visibility in July - Monrovia, 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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Monrovia, California, USA

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