April weather forecast and climate
Rancho Bernardo, CA

Weather in April

April in Rancho Bernardo, California, is an agreeable spring month, with average temperature varying between 70.2°F (21.2°C) and 49.8°F (9.9°C).

Temperature

In Rancho Bernardo, California, the average high-temperature is practically the same as in March - an agreeable 70.2°F (21.2°C). In Rancho Bernardo, California, in April, the average low-temperature is 49.8°F (9.9°C).

Humidity

In Rancho Bernardo, California, the average relative humidity in April is 65%.

Rainfall

In Rancho Bernardo, it is raining for 6.2 days, with typically 0.71" (18mm) of accumulated precipitation. In Rancho Bernardo, California, during the entire year, the rain falls for 54.7 days and collects up to 8.15" (207mm) of precipitation.

Daylight

In April, the average length of the day is 13h.

Sunshine

The average sunshine in Rancho Bernardo, California, is 10.8h.

UV index

In Rancho Bernardo, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average 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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in April in Rancho Bernardo?

In April, in Rancho Bernardo, California, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in April in Rancho Bernardo?

In April, the average relative humidity is 65%.

How much does it rain in Rancho Bernardo in April?

In Rancho Bernardo, California, during April, the rain falls for 6.2 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the average length of the day in April in Rancho Bernardo?

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

How long on average sun shines in April in Rancho Bernardo?

In Rancho Bernardo, the average sunshine in April is 10.8h.

What is the UV index intensity in April in Rancho Bernardo?

In Rancho Bernardo, California, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Rancho Bernardo, CA

Average temperature in April - Rancho Bernardo, CA
  • Average high temperature in April: 70.2°F

The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in April: 49.8°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).

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Average pressure in April
Rancho Bernardo, CA

Average pressure in April - Rancho Bernardo, CA
  • Average pressure in April: 29.95"

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

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Average wind speed in April
Rancho Bernardo, CA

Average wind speed in April - Rancho Bernardo, CA
  • Average wind speed in April: 5.5mph

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

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Average humidity in April
Rancho Bernardo, CA

Average humidity in April - Rancho Bernardo, CA
  • Average humidity in April: 65%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).

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Average rainfall in April
Rancho Bernardo, CA

Average rainfall in April - Rancho Bernardo, CA
  • Average rainfall in April: 0.71"

The wettest month (with the highest rainfall) is February (1.61").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in April
Rancho Bernardo, CA

Average rainfall days in April - Rancho Bernardo, CA
  • Average rainfall days in April: 6.2 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.6 days).

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Average daylight in April /
Average sunshine in April
Rancho Bernardo, CA

Average daylight in April / Average sunshine in April - Rancho Bernardo, 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: 10.8h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 6.7).

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Average sunshine days in April
Rancho Bernardo, CA

Average sunshine days in April - Rancho Bernardo, CA
  • Average sunshine days in April: 23.5 days

The month with the most sunshine days is June (27 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in April
Rancho Bernardo, CA

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

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Average cloud cover in April
Rancho Bernardo, CA

Average cloud cover in April - Rancho Bernardo, CA
  • Average cloud cover in April: 21

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in April
Rancho Bernardo, CA

Average visibility in April - Rancho Bernardo, 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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