April weather forecast
Julian, CA

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Weather in April

April announces the arrival of spring in Julian, California, with increased temperatures and extended daylight hours. Despite the slight increases, the weather remains relatively cooler than May, providing a lingering impression of spring's sparkle. Cloud cover reduces significantly, resulting in approximately 13 hours of daylight. A drop in the snowfall level is noteworthy in this month, with snow receding to just 2.6" (66mm). A visible reduction in humidity indicates a shift in the weather pattern, preparing Julian for the upcoming summer months.

Temperature

Julian notes an average high-temperature of an agreeable 70.7°F (21.5°C) in April, hardly diverging from March. April nights in Julian are characterized by a notable drop from daytime highs, with an average low-temperature of 47.8°F (8.8°C).

Humidity

In April, the average relative humidity is 60%.

Rainfall

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

Snowfall

Months with snowfall are January through May, November and December. In Julian, in April, 2.6" (66mm) of snow is typically accumulated. In Julian, during the entire year, snow aggregates up to 22.01" (559mm).

Daylight

In April, the average length of the day is 13h and 2min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:07 pm. On the last day of April, in Julian, California, sunrise is at 5:58 am and sunset at 7:28 pm PDT.

Sunshine

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

UV index

The average daily maximum UV index in April in Julian, California, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in April, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun is at its strongest around midday, find shade and limit exposure. 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. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are April temperatures in Julian?

The high-temperature in Julian, California, during April is 70.7°F (21.5°C) and the low-temperature is 47.8°F (8.8°C).

What is the average humidity in April in Julian?

In Julian, the average relative humidity in April is 60%.

How many days does it rain in April in Julian?

In April, in Julian, the rain falls for 5.8 days. Throughout April, 0.35" (9mm) of precipitation is accumulated.

How much does it snow in Julian in April?

Throughout April, in Julian, California, 2.6" (66mm) of snow is accumulated.

What is the average length of the day in April in Julian?

The average day length in April in Julian is 13h and 2min.

When are sunrise and sunset in April in Julian?

On the first day of April in Julian, California, sunrise is at 6:32 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:28 pm PDT.

How long on average sun shines in April in Julian?

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

What is the UV index intensity in April in Julian?

The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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 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").
The 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 and 0min

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 April: 11h 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 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

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 April
Julian, CA

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

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 April
Julian, CA

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