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 May gives way to June, the average high-temperature displays a slight ascent, adjusting from 73.6°F (23.1°C) to a still moderately hot 81.3°F (27.4°C). A steep decline to a refreshing 56.3°F (13.5°C) characterizes the June nights in Julian.

Heat index

The heat index for June is calculated to be 82.4°F (28°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

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

Rainfall

The month with the least rainfall 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.

Daylight

The month with the longest days is June, 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

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In June, a daily UV index of 6 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

June temperatures vary between a high-temperature of 81.3°F (27.4°C) and a low-temperature of 56.3°F (13.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in June is calculated to be 82.4°F (28°C).

What is the average humidity in June in Julian?

In June, the average relative humidity is 57%.

What is the driest month?

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

How many days does it rain in June?

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

When it does not snow?

June through October are months without snowfall.

Does it snow in June?

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

When are the longest days?

The month with the longest days in Julian is June, with an average of 14h and 18min of daylight.

What is the average length of the day in June?

In June, the average day length is 14h and 18min.

What time are sunrise and sunset in June?

In June, on the first day of the month, 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?

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?

The average sunshine duration in June is 12.1h.

What are the months with 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 intensity in June?

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

Julian, California, USA

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