June weather forecast
Montclair, CA

Share

Weather in June

The first month of the summer, June, is still a warm month in Montclair, California, with an average temperature varying between 58.5°F (14.7°C) and 84°F (28.9°C).

Temperature

The arrival of June witnesses a small shift in the average high-temperature, moving from 76.6°F (24.8°C) in May to a still moderately hot 84°F (28.9°C). Montclair's June nights cool down significantly from the day's heat, to an average low-temperature of 58.5°F (14.7°C).

Heat index

The heat index for June is calculated to be a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

The month with the least rainfall in Montclair is June, when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.

Snowfall

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

Sunshine

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

UV index

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

Frequently asked questions

How hot is it in Montclair in June?

June temperatures vary between a high-temperature of 84°F (28.9°C) and a low-temperature of 58.5°F (14.7°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in June in Montclair?

In June, the average relative humidity is 51%.

What is the driest month in Montclair?

The month with the least rainfall in Montclair is June, when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.

How much does it rain in Montclair in June?

In June, the rain falls for 1.2 days. Throughout June, 0.04" (1mm) of precipitation is accumulated.

When it does not snow in Montclair?

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

When are the longest days in Montclair?

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

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

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

When are sunrise and sunset in June in Montclair?

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

How many hours of sunshine does Montclair have in June?

The average sunshine duration in June in Montclair, California, is 12h.

What is the UV index intensity in June in Montclair?

The average daily maximum UV index in June 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 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).

[Resources]

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).

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

Montclair, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location