June weather forecast
Montclair, CA

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Weather in June

June, the first month of the summer in Montclair, is also a moderately hot month, with an average temperature fluctuating between 58.5°F and 84°F.

Temperature

June marks a minor ascent in the average high-temperature, adjusting from May's 76.6°F to a still warm 84°F. A notable decrease from the day's highest temperature marks June in Montclair, culminating in an average low of 58.5°F.

Heat index

June's mean heat index is estimated at a hot 86°F. Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In June, the average relative humidity in Montclair, California, is 51%.

Rainfall

The month with the least rainfall is June, when the rain falls for 1.2 days and typically collects 0.04" of precipitation.

Snowfall

In Montclair, 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 7:57 pm. On the last day of June, sunrise is at 5:42 am and sunset at 8:06 pm PDT.

Sunshine

The average sunshine in June in Montclair is 12h.

UV index

The average daily maximum UV index in June in Montclair is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 during June translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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FAQ

How hot is June in Montclair?

An average high-temperature, in June, in Montclair, is 84°F and the average low-temperature is 58.5°F. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in June is estimated at 86°F.

What is the average humidity in June in Montclair?

In June, the average relative humidity in Montclair, California, is 51%.

What is the driest month in Montclair?

June is the month with the least rainfall in Montclair. Rain falls for 1.2 days and accumulates 0.04" of precipitation.

How many days does it rain in June in Montclair?

In June, the rain falls for 1.2 days. Throughout June, 0.04" of precipitation is accumulated.

When it does not snow in Montclair?

January, March through December are months without snowfall.

When are the longest days in Montclair?

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 Montclair?

In Montclair, California, the average day length in June is 14h and 23min.

What time are sunrise and sunset in June in Montclair?

In June, on the first day of the month, sunrise is at 5:40 am and sunset at 7:57 pm. On the last day of the month, in Montclair, sunrise is at 5:42 am and sunset at 8:06 pm PDT.

How long on average sun shines in June in Montclair?

In Montclair, the average sunshine duration in June is 12h.

What is the UV index reading in June in Montclair?

In Montclair, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Montclair, CA

Average temperature in June - Montclair, CA
  • Average high temperature in June: 84°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in June: 58.5°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in June
Montclair, CA

Average pressure in June - Montclair, CA
  • Average pressure in June: 29.86"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in June
Montclair, CA

Average wind speed in June - Montclair, CA
  • Average wind speed in June: 5.4mph

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
Montclair, CA

Average humidity in June - Montclair, CA
  • Average humidity in June: 51%

The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in June
Montclair, CA

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

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

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Average rainfall days in June
Montclair, CA

Average rainfall days in June - Montclair, CA
  • Average rainfall days in June: 1.2 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in June
Montclair, CA

Average snowfall days in June - Montclair, 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
Montclair, CA

Average daylight in June / Average sunshine in June - Montclair, 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 0min

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 54min).

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Average sunshine days in June
Montclair, CA

Average sunshine days in June - Montclair, CA
  • Average sunshine days in June: 28.2 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in June
Montclair, CA

Average UV index in June - Montclair, 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
Montclair, CA

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

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in June
Montclair, CA

Average visibility in June - Montclair, 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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Montclair, California, USA

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