June weather forecast and climate
Arcadia, CA

Weather in June

The first month of the summer, June, is also a moderately hot month in Arcadia, California, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 81.3°F (27.4°C).

Temperature

In June, the average high-temperature slightly increases, from 75.4°F (24.1°C) in May, to a still moderately hot 81.3°F (27.4°C). The average low-temperature, in Arcadia, is 57.7°F (14.3°C).

Heat index

The average heat index is evaluated at 82.9°F (28.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

March, May and June, with an average relative humidity of 56%, are most humid months.

Rainfall

The month with the least rainfall in Arcadia is June when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

Daylight

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

Sunshine

In June, the average sunshine is 12h.

UV index

Months with the highest UV index in Arcadia are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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 Arcadia?

In June, in Arcadia, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 57.7°F (14.3°C). In June, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, is appraised at 82.9°F (28.3°C).

What is the most humid month in Arcadia?

March, May and June, with an average relative humidity of 56%, are most humid months in Arcadia.

What is the average humidity in June in Arcadia?

The average relative humidity in June is 56%.

How many days does it rain in June in Arcadia?

In Arcadia, in June, it is raining for 1.3 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in Arcadia?

The month with the least rainfall in Arcadia, California, is June when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Arcadia?

The month with the longest days in Arcadia, California, is June, with an average of 14.4h of daylight.

How many hours of daylight does Arcadia have in June?

In Arcadia, California, the average length of the day in June is 14.4h.

How many hours of sunshine does Arcadia have in June?

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

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

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

What is the UV index intensity in June in Arcadia?

In Arcadia, California, 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 the UV radiation.

Average temperature in June
Arcadia, CA

Average temperature in June - Arcadia, CA
  • Average high temperature in June: 81.3°F

The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in June: 57.7°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

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Average pressure in June
Arcadia, CA

Average pressure in June - Arcadia, CA
  • Average pressure in June: 29.88"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in June
Arcadia, CA

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

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

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Average humidity in June
Arcadia, CA

Average humidity in June - Arcadia, CA
  • Average humidity in June: 56%

Months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in June
Arcadia, CA

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

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in June
Arcadia, CA

Average rainfall days in June - Arcadia, CA
  • Average rainfall days in June: 1.3 days

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in June / Average sunshine in June - Arcadia, 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: 12h

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

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Average sunshine days in June
Arcadia, CA

Average sunshine days in June - Arcadia, CA
  • Average sunshine days in June: 27.7 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (22 days).

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Average UV index in June
Arcadia, CA

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

Months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in June
Arcadia, CA

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

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
Arcadia, CA

Average visibility in June - Arcadia, 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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