April weather forecast
Rancho San Diego, CA

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Weather in April

April is an agreeable spring month in Rancho San Diego, California, with an average temperature fluctuating between 50.7°F (10.4°C) and 70°F (21.1°C).

Temperature

Rancho San Diego's shift from March to April is accompanied by an average high-temperature of a pleasant 70°F (21.1°C), a slight deviation from 67.3°F (19.6°C). Rancho San Diego reports an average nighttime low-temperature of 50.7°F (10.4°C) in April.

Humidity

In April, the average relative humidity is 63%.

Rainfall

In April, in Rancho San Diego, the rain falls for 6.7 days. Throughout April, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Rancho San Diego, there are 56.1 rainfall days, and 8.27" (210mm) of precipitation is accumulated.

Daylight

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

Sunshine

In Rancho San Diego, the average sunshine in April is 10.9h.

UV index

In Rancho San Diego, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during April translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the temperature in April in Rancho San Diego?

The high-temperature, in April, in Rancho San Diego, 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 Rancho San Diego?

The average relative humidity in April is 63%.

How many days does it rain in April in Rancho San Diego?

In Rancho San Diego, during April, the rain falls for 6.7 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many hours of daylight does Rancho San Diego have in April?

In Rancho San Diego, California, the average day length in April is 13h and 1min.

When are sunrise and sunset in April in Rancho San Diego?

On the first day of April in Rancho San Diego, 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 long on average sun shines in April in Rancho San Diego?

In Rancho San Diego, California, the average sunshine duration in April is 10.9h.

How high is the UV index in April in Rancho San Diego?

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Rancho San Diego, CA

Average temperature in April - Rancho San Diego, 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).

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Average pressure in April
Rancho San Diego, CA

Average pressure in April - Rancho San Diego, 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).

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Average wind speed in April
Rancho San Diego, CA

Average wind speed in April - Rancho San Diego, 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).

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Average humidity in April
Rancho San Diego, CA

Average humidity in April - Rancho San Diego, 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%).

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Average rainfall in April
Rancho San Diego, CA

Average rainfall in April - Rancho San Diego, 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").

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Average rainfall days in April
Rancho San Diego, CA

Average rainfall days in April - Rancho San Diego, 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).

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Average daylight in April /
Average sunshine in April
Rancho San Diego, CA

Average daylight in April / Average sunshine in April - Rancho San Diego, 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).

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Average sunshine days in April
Rancho San Diego, CA

Average sunshine days in April - Rancho San Diego, 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).

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Average UV index in April
Rancho San Diego, CA

Average UV index in April - Rancho San Diego, 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).

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Average cloud cover in April
Rancho San Diego, CA

Average cloud cover in April - Rancho San Diego, 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).

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Average visibility in April
Rancho San Diego, CA

Average visibility in April - Rancho San Diego, 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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Rancho San Diego, California, USA

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