June weather forecast
Julian, CA

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Weather in June

June in Julian, California, marks the arrival of summer with significant increases in temperature. There is also a marked disparity in temperature highs between June and the subsequent month. Snowfall ceases entirely and the city basks in the glory of the longest daylight hours of the year, coupled with maximum sunshine hours. The wind speed and overall cloud cover decrease, making way for the city's sunniest days. The weather fosters an ideal environment for outdoor activities and exploration.

Temperature

As Julian, California, welcomes June, the average high-temperature sees a modest rise, transitioning from a warm 73.6°F (23.1°C) in May to a still moderately hot 81.3°F (27.4°C). Julian records a marked daily temperature contrast, with an average low-temperature of 56.3°F (13.5°C) during the nights of June.

Heat index

June's mean heat index is calculated to be 82.4°F (28°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The average relative humidity in June is 57%.

Rainfall

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.

Snowfall

June through October are months without snowfall in Julian.

Daylight

June has the longest days of the year in Julian, with an average of 14h and 18min of daylight.
On the first day of June, sunrise is at 5:38 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:59 pm PDT.

Sunshine

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

UV index

The months with the highest UV index in Julian, California, are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in June translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What are June temperatures in Julian?

An average high-temperature, in June, in Julian, is 81.3°F (27.4°C) and the average low-temperature is 56.3°F (13.5°C). In June, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in June in Julian?

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

What is the driest month in Julian?

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.

How much does it rain in Julian in June?

In June, in Julian, California, the rain falls for 1.5 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in Julian?

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

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 are the longest days in Julian?

June has the longest days of the year in Julian, with an average of 14h and 18min of daylight.

How many hours of daylight does Julian have in June?

The average day length in June in Julian, California, is 14h and 18min.

When are sunrise and sunset in June in Julian?

On the first day of June in Julian, sunrise is at 5:38 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:59 pm PDT.

What is the month with the most sunshine in Julian?

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

How long on average sun shines in June in Julian?

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

When is the highest UV index in Julian?

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

What is the UV index reading in June in Julian?

In Julian, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in June: 12h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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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

The months with the highest UV index are June, July, August and September (UV index 6).
The 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

The 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

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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Julian, California, USA

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