June weather forecast
Glendora, CA

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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

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

Temperature

Glendora, California, observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's 75.2°F (24°C) to a still warm 82.2°F (27.9°C). In Glendora, the nighttime chill during June is a clear shift from the day's highs, with an average of 58.5°F (14.7°C).

Heat index

For most parts of June, the heat index is computed to be 84.2°F (29°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In June, the average relative humidity 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

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

Daylight

With an average of 14h and 24min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:58 pm. On the last day of June, sunrise is at 5:43 am and sunset at 8:07 pm PDT.

Sunshine

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

UV index

The average daily maximum UV index in June in Glendora is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during June translates into the following guidance:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are June temperatures in Glendora?

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. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in June is computed to be 84.2°F (29°C).

What is the average humidity in June in Glendora?

In June, the average relative humidity is 53%.

What is the driest month in Glendora?

The month with the least rainfall is June, when the rain falls for 1.1 days and typically collects 0.04" (1mm) of precipitation.

How much does it rain in Glendora in June?

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

When it does not snow in Glendora?

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

When are the longest days in Glendora?

June has the longest days of the year, with an average of 14h and 24min of daylight.

What is the average length of the day in June in Glendora?

In June, the average day length is 14h and 24min.

What time are sunrise and sunset in June in Glendora?

In June, on the first day of the month, sunrise is at 5:40 am and sunset at 7:58 pm. On the last day of the month, in Glendora, California, sunrise is at 5:43 am and sunset at 8:07 pm PDT.

What are the months with the most sunshine in Glendora?

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

How long on average sun shines in June in Glendora?

The average sunshine duration in June in Glendora is 12.1h.

How high is the UV index in June in Glendora?

In June, the average daily maximum UV index in Glendora is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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%

The months with the highest relative humidity are March and May (55%).
The 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).
The 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: 14h 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 June: 12h and 1min

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

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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

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).

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Average cloud cover in June
Glendora, CA

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

The 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

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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Glendora, California, USA

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