June weather forecast and climate
Julian, CA

Weather in June

The first month of the summer, June, is still a warm month in Julian, California, with average temperature varying between 81.3°F (27.4°C) and 56.3°F (13.5°C).

Temperature

In Julian, the average high-temperature in June slightly increases, from a moderately hot 73.6°F (23.1°C) in May, to a still warm 81.3°F (27.4°C). The average low-temperature, in June, is 56.3°F (13.5°C).

Heat index

In June, the average heat index is evaluated at 82.9°F (28.3°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, clothing, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Julian is 57%.

Rainfall

The month with the least rainfall in Julian, California, is June when the rain falls for 1.5 days and typically collects 0.08" (2mm) of precipitation.

Snowfall

In Julian snow does not fall in June through October.

Daylight

June has the longest days of the year, with an average of 14.3h of daylight.

Sunshine

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

UV index

Months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in Julian?

In June, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines both air temperature and relative humidity, in June is calculated to 82.9°F (28.3°C).

What is the average humidity in June in Julian?

The average relative humidity in June is 57%.

How many days does it rain in June in Julian?

In Julian, California, in June, it is raining for 1.5 days, with typically 0.08" (2mm) of accumulated precipitation.

What is the driest month in Julian?

The month with the least rainfall in Julian is June when the rain falls for 1.5 days and typically collects 0.08" (2mm) of precipitation.

Does it snow in Julian in June?

In June, in Julian, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Julian?

In Julian, California, snow does not fall in June through October.

When are the longest days in Julian?

The month with the longest days in Julian, California, is June, with an average of 14.3h of daylight.

How many hours of daylight does Julian have in June?

The average length of the day in June in Julian, California, is 14.3h.

What is the month with the most sunshine in Julian?

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

How long on average sun shines in June in Julian?

In June, the average sunshine in Julian, California, is 12.1h.

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

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

How high is the UV index in June in Julian?

In Julian, California, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in June
Julian, CA

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

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

  • Average low temperature in June: 56.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

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Average pressure in June
Julian, CA

Average pressure in June - Julian, CA
  • Average pressure in June: 29.85"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in June
Julian, CA

Average wind speed in June - Julian, CA
  • Average wind speed in June: 5.1mph

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in June
Julian, CA

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

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in June
Julian, CA

Average rainfall in June - Julian, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in June
Julian, CA

Average rainfall days in June - Julian, CA
  • Average rainfall days in June: 1.5 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall in June
Julian, CA

Average snowfall in June - Julian, CA
  • Average snowfall in June: 0"

The month with the highest snowfall is March (6.7").
Months with the least snowfall are June, July, August, September and October (0").

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

Average daylight in June / Average sunshine in June - Julian, CA
  • Average daylight in June: 14.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in June: 12.1h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in June
Julian, CA

Average sunshine days in June - Julian, CA
  • Average sunshine days in June: 27.5 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in June
Julian, CA

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

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

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Average cloud cover in June
Julian, CA

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

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in June
Julian, CA

Average visibility in June - Julian, 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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