April weather forecastJulian, CA
April
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
April observes an average high-temperature of a pleasant 70.7°F (21.5°C), marking an insignificant difference from March's 66.7°F (19.3°C). Throughout April nights, a significant departure from daytime temperatures, with an average low of 47.8°F (8.8°C), is recognized in Julian.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. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. Throughout April, 2.6" (66mm) of snow is accumulated. In Julian, during the entire year, snow aggregates up to 22.01" (559mm).Daylight
The average length of the day in April is 13h and 2min.On the first day of April, 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.
Sunshine
In April, the average sunshine is 11.2h.UV index
In Julian, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in April translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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 12min
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 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).
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).
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).
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).
