April weather forecast and climate
Julian, CA

Weather in April

April in Julian, California, is an agreeable spring month, with average temperature fluctuating between 70.7°F (21.5°C) and 47.8°F (8.8°C).

Temperature

In Julian, the average high-temperature in April is relatively the same as in March - a pleasant 70.7°F (21.5°C). In April, the average low-temperature is 47.8°F (8.8°C).

Humidity

In April, the average relative humidity is 60%.

Rainfall

In Julian, during April, the rain falls for 5.8 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Julian, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Julian. Throughout April, 2.6" (66mm) of snow is accumulated. In Julian, during the entire year, snow aggregates up to 22" (558.7mm).

Daylight

The average length of the day in April is 13h.

Sunshine

The average sunshine in Julian is 11.2h.

UV index

In April, the average daily maximum UV index in Julian is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Julian?

In April, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in April in Julian?

In April, the average relative humidity is 60%.

How many days does it rain in April in Julian?

In Julian, California, in April, it is raining for 5.8 days, with typically 0.35" (9mm) of accumulated precipitation.

How much does it snow in Julian in April?

During April, Julian regularly aggregates up to 2.6" (66mm) of snow.

How many hours of daylight does Julian have in April?

The average length of the day in April in Julian is 13h.

How long on average sun shines in April in Julian?

In Julian, California, the average sunshine in April is 11.2h.

What is the UV index reading in April in Julian?

The average daily maximum UV index in April in Julian, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in April
Julian, CA

Average temperature in April - Julian, CA
  • Average high temperature in April: 70.7°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 April: 47.8°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 April
Julian, CA

Average pressure in April - Julian, CA
  • Average pressure in April: 29.94"

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 April
Julian, CA

Average wind speed in April - Julian, CA
  • Average wind speed in April: 5.6mph

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 April
Julian, CA

Average humidity in April - Julian, CA
  • Average humidity in April: 60%

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 April
Julian, CA

Average rainfall in April - Julian, CA
  • Average rainfall in April: 0.35"

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 April
Julian, CA

Average rainfall days in April - Julian, CA
  • Average rainfall days in April: 5.8 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 April
Julian, CA

Average snowfall in April - Julian, CA
  • Average snowfall in April: 2.6"

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 April /
Average sunshine in April
Julian, CA

Average daylight in April / Average sunshine in April - Julian, CA
  • Average daylight in April: 13h

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 April: 11.2h

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 April
Julian, CA

Average sunshine days in April - Julian, CA
  • Average sunshine days in April: 23.3 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 April
Julian, CA

Average UV index in April - Julian, CA
  • Average UV index in April: 5

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 April
Julian, CA

Average cloud cover in April - Julian, CA
  • Average cloud cover in April: 19

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 April
Julian, CA

Average visibility in April - Julian, CA
  • Average visibility in April: 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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