June weather forecast
Irwindale, CA

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Weather in June

June, the first month of the summer in Irwindale, is also a moderately hot month, with an average temperature ranging between min 57.7°F (14.3°C) and max 80.2°F (26.8°C).

Temperature

The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a warm 74.7°F (23.7°C) in May to a still moderately hot 80.2°F (26.8°C). In the face of high daytime temperatures, Irwindale witnesses a consistent average nighttime low of 57.7°F (14.3°C) during June.

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 57%.

Rainfall

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

Snowfall

In Irwindale, snow does not fall in January through November.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index in Irwindale are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during June translates into the following guidance:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the usual temperature for Irwindale in June?

The high-temperature, in June, in Irwindale, is 80.2°F (26.8°C), while the low-temperature averages to 57.7°F (14.3°C).

What are the most humid months in Irwindale?

The months with the highest humidity are May and June, with an average relative humidity of 57%.

What is the average humidity in June in Irwindale?

In Irwindale, the average relative humidity in June is 57%.

What is the driest month in Irwindale?

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

How many days does it rain in June in Irwindale?

In Irwindale, California, during June, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When it does not snow in Irwindale?

In Irwindale, snow does not fall in January through November.

When are the longest days in Irwindale?

The month with the longest days in Irwindale, California, is June, with an average of 14h and 24min of daylight.

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

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

When is the sunrise / sunset in June in Irwindale?

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

How many hours of sunshine does Irwindale have in June?

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

What is the month with the highest UV index in Irwindale?

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

How high is the UV index in June in Irwindale?

In June, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Irwindale, CA

Average temperature in June - Irwindale, CA
  • Average high temperature in June: 80.2°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in June: 57.7°F

The month with the highest average low temperature is August (64.9°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).

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Average pressure in June
Irwindale, CA

Average pressure in June - Irwindale, CA
  • Average pressure in June: 29.88"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in June
Irwindale, CA

Average wind speed in June - Irwindale, CA
  • Average wind speed in June: 5.2mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in June
Irwindale, CA

Average humidity in June - Irwindale, CA
  • Average humidity in June: 57%

The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in June
Irwindale, CA

Average rainfall in June - Irwindale, 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
Irwindale, CA

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

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in June
Irwindale, CA

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

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

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

Average daylight in June / Average sunshine in June - Irwindale, 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 January, February and December (Average sunshine: 6h and 54min).

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Average sunshine days in June
Irwindale, CA

Average sunshine days in June - Irwindale, CA
  • Average sunshine days in June: 28.3 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in June
Irwindale, CA

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in June
Irwindale, CA

Average cloud cover in June - Irwindale, CA
  • Average cloud cover in June: 8

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 June
Irwindale, CA

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

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