June weather forecast and climate
Glendora, CA

The beautiful city of Glendora, California, surrounded by the vast mountain ranges
The beautiful city of Glendora, California, surrounded by the vast mountain ranges

Weather in June

June, the first month of the summer, in Glendora, is also a moderately hot month, with average temperature fluctuating between 58.5°F (14.7°C) and 82.2°F (27.9°C).

Temperature

In June, the average high-temperature marginally rises, from 75.2°F (24°C) in May, to a still moderately hot 82.2°F (27.9°C). In June, in Glendora, the average low-temperature is 58.5°F (14.7°C).

Heat index

The average heat index in June is calculated to 83.5°F (28.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Glendora is 53%.

Rainfall

June is the month with the least rainfall. Rain falls for 1.1 days and accumulates 0.04" (1mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Glendora.

Daylight

June has the longest days of the year in Glendora, with an average of 14.4h of daylight.

Sunshine

Months with the most sunshine in Glendora are June and July, with an average of 12.1h of sunshine.

UV index

The average daily maximum UV index in Glendora is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in Glendora?

In June, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 58.5°F (14.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines relative humidity and air temperature, in June is evaluated at 83.5°F (28.6°C).

What is the average humidity in June in Glendora?

In June, the average relative humidity in Glendora is 53%.

How many days does it rain in June in Glendora?

In Glendora, in June, it is raining for 1.1 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in Glendora?

June is the month with the least rainfall in Glendora, California. Rain falls for 1.1 days and accumulates 0.04" (1mm) of precipitation.

When it does not snow in Glendora?

January, March through December are months without snowfall in Glendora.

When are the longest days in Glendora?

With an average of 14.4h of daylight, June has the longest days of the year.

How many hours of daylight does Glendora have in June?

The average length of the day in June in Glendora, California, is 14.4h.

What is the month with the most sunshine in Glendora?

June and July, with an average of 12.1h of sunshine, are months with the most sunshine in Glendora.

How long on average sun shines in June in Glendora?

In Glendora, California, the average sunshine in June is 12.1h.

What is the UV index reading in June in Glendora?

The average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in June
Glendora, CA

Average temperature in June - Glendora, CA
  • Average high temperature in June: 82.2°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (61.5°F).

  • Average low temperature in June: 58.5°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in June
Glendora, CA

Average pressure in June - Glendora, CA
  • Average pressure in June: 29.87"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in June
Glendora, CA

Average wind speed in June - Glendora, CA
  • Average wind speed in June: 5.3mph

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

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Average humidity in June
Glendora, CA

Average humidity in June - Glendora, CA
  • Average humidity in June: 53%

Months with the highest relative humidity are March and May (55%).
Months with the lowest relative humidity are August and November (45%).

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Average rainfall in June
Glendora, CA

Average rainfall in June - Glendora, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in June
Glendora, CA

Average rainfall days in June - Glendora, CA
  • Average rainfall days in June: 1.1 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in June
Glendora, CA

Average snowfall days in June - Glendora, CA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in June /
Average sunshine in June
Glendora, CA

Average daylight in June / Average sunshine in June - Glendora, CA
  • Average daylight in June: 14.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in June: 12.1h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is February (Average sunshine: 6.9h).

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Average sunshine days in June
Glendora, CA

Average sunshine days in June - Glendora, CA
  • Average sunshine days in June: 28.6 days

The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index in June
Glendora, CA

Average UV index in June - Glendora, CA
  • Average UV index in June: 6

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).

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Average cloud cover in June
Glendora, CA

Average cloud cover in June - Glendora, CA
  • Average cloud cover in June: 7

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in June
Glendora, CA

Average visibility in June - Glendora, CA
  • Average visibility in June: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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