April weather forecast
El Cajon, CA

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Weather in April

In El Cajon, April is an inviting month full of sunshine, further boosting the daytime temperature. As the humidity starts to stabilize, the weather becomes dry, making this the optimum time of the year for outdoor activities. With longer daylight and the extended photoperiod, trips to the city's beautiful beaches and outdoor parks become quite popular. Even though there are some scattered showers, the month remains relatively dry with the rainy day count lower than March. In April, rainfall is moderate at 0.63" (16mm), indicating the arrival of the dry season.

Temperature

The commencement of April notes an average high-temperature of an agreeable 70°F (21.1°C), exhibiting little difference from the previous month. During the month of April, El Cajon experiences a steady low-temperature average of 50.7°F (10.4°C).

Humidity

In El Cajon, the average relative humidity in April is 63%.

Rainfall

In El Cajon, in April, during 6.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 56.1 rainfall days, and 8.27" (210mm) of precipitation is accumulated.

Daylight

The average length of the day in April in El Cajon is 13h and 1min.
On the first day of April, sunrise is at 6:34 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:29 pm PDT.

Sunshine

In April, the average sunshine is 10.9h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in April leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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.

Frequently asked questions

What is the usual temperature for El Cajon in April?

The high-temperature, in April, in El Cajon, is 70°F (21.1°C), while the low-temperature averages to 50.7°F (10.4°C).

What is the average humidity in April?

In El Cajon, the average relative humidity in April is 63%.

How much does it rain in April?

In El Cajon, in April, it is raining for 6.7 days, with typically 0.63" (16mm) of accumulated precipitation.

How many hours of daylight does El Cajon have in April?

In April, the average day length is 13h and 1min.

When are sunrise and sunset in April in El Cajon?

In April, on the first day of the month, sunrise is at 6:34 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:29 pm PDT.

How many hours of sunshine does El Cajon have in April?

In April, the average sunshine duration is 10.9h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
El Cajon, CA

Average temperature in April - El Cajon, CA
  • Average high temperature in April: 70°F

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in April: 50.7°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).

Average pressure in April
El Cajon, CA

Average pressure in April - El Cajon, CA
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).

Average wind speed in April
El Cajon, CA

Average wind speed in April - El Cajon, CA
  • Average wind speed in April: 5.5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

Average humidity in April
El Cajon, CA

Average humidity in April - El Cajon, CA
  • Average humidity in April: 63%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).

Average rainfall in April
El Cajon, CA

Average rainfall in April - El Cajon, CA
  • Average rainfall in April: 0.63"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in April
El Cajon, CA

Average rainfall days in April - El Cajon, CA
  • Average rainfall days in April: 6.7 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).

Average daylight in April /
Average sunshine in April
El Cajon, CA

Average daylight in April / Average sunshine in April - El Cajon, 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: 10h and 5min

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

Average sunshine days in April
El Cajon, CA

Average sunshine days in April - El Cajon, CA
  • Average sunshine days in April: 23.2 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).

Average UV index in April
El Cajon, CA

Average UV index in April - El Cajon, 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 January, February, November and December (UV index 4).

Average cloud cover in April
El Cajon, CA

Average cloud cover in April - El Cajon, CA
  • Average cloud cover in April: 20

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 7).

Average visibility in April
El Cajon, CA

Average visibility in April - El Cajon, 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).

El Cajon, California, USA

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