April weather forecast
Chula Vista, CA

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Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California
Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California

Weather in April

April sees the full arrival of spring with warmer temperatures and increased daylight. Occupying a middle ground position, the month displays a fair understanding of what to expect in Chula Vista. Though dryness prevails, there's a modest decrease in rainfall to 0.47" (12mm). Cloud coverage lessens, resulting in clearer skies making it especially appealing for outdoor enthusiasts. The transition into warmer days is noted as April provides an enticing sneak preview of the approaching summer season.

Temperature

April's climate in Chula Vista shows a minor adjustment in average high-temperatures to a still refreshing 67.6°F (19.8°C) from March's 65.5°F (18.6°C). Chula Vista records an average low-temperature of 53.8°F (12.1°C) throughout the month of April.

Humidity

In Chula Vista, the average relative humidity in April is 67%.

Rainfall

In April, the rain falls for 6 days. Throughout April, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 51 rainfall days, and 5.63" (143mm) of precipitation is accumulated.

Ocean temperature

In Chula Vista, California, in April, the average water temperature is 60.6°F (15.9°C).
Note: Most people do not find swimming enjoyable in water of 60.6°F (15.9°C). The task of controlling breathing becomes tougher as the temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Chula Vista, the average length of the day in April is 13h and 1min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:08 pm. On the last day of April, in Chula Vista, sunrise is at 6:01 am and sunset at 7:29 pm PDT.

Sunshine

The average sunshine in April in Chula Vista is 10.9h.

UV index

In April, the average daily maximum UV index in Chula Vista is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in April interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in April in Chula Vista?

April temperatures in Chula Vista, California, vary between a high-temperature of 67.6°F (19.8°C) and a low-temperature of 53.8°F (12.1°C).

What is the average humidity in April in Chula Vista?

The average relative humidity in April in Chula Vista is 67%.

How many days does it rain in April in Chula Vista?

In Chula Vista, California, in April, during 6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How cold is the water in April in Chula Vista?

In Chula Vista, in April, the average water temperature is 60.6°F (15.9°C). For most, swimming in 60.6°F (15.9°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in April in Chula Vista?

In Chula Vista, California, the average day length in April is 13h and 1min.

What time are sunrise and sunset in April in Chula Vista?

In April, on the first day of the month, sunrise is at 6:35 am and sunset at 7:08 pm. On the last day of the month, in Chula Vista, California, sunrise is at 6:01 am and sunset at 7:29 pm PDT.

How long on average sun shines in April in Chula Vista?

The average sunshine duration in April in Chula Vista is 10.9h.

What is the UV index reading in April in Chula Vista?

The average daily maximum UV index in April in Chula Vista, California, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Chula Vista, CA

Average temperature in April - Chula Vista, CA
  • Average high temperature in April: 67.6°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in April: 53.8°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).

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Average pressure in April
Chula Vista, CA

Average pressure in April - Chula Vista, CA
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

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Average wind speed in April
Chula Vista, CA

Average wind speed in April - Chula Vista, CA
  • Average wind speed in April: 6.2mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is October (5mph).

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Average humidity in April
Chula Vista, CA

Average humidity in April - Chula Vista, CA
  • Average humidity in April: 67%

The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (58%).

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Average rainfall in April
Chula Vista, CA

Average rainfall in April - Chula Vista, CA
  • Average rainfall in April: 0.47"

The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in April
Chula Vista, CA

Average rainfall days in April - Chula Vista, CA
  • Average rainfall days in April: 6 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.7 days).

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Average sea temperature in April
Chula Vista, CA

Average sea temperature in April - Chula Vista, CA
  • Average sea temperature in April: 60.6°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

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Average daylight in April /
Average sunshine in April
Chula Vista, CA

Average daylight in April / Average sunshine in April - Chula Vista, 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 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in April
Chula Vista, CA

Average sunshine days in April - Chula Vista, CA
  • Average sunshine days in April: 23.1 days

The month with the most sunshine days is June (27.2 days).
The month with the least sunshine days is February (21.1 days).

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Average UV index in April
Chula Vista, CA

Average UV index in April - Chula Vista, 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, March, November and December (UV index 4).

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Average cloud cover in April
Chula Vista, CA

Average cloud cover in April - Chula Vista, CA
  • Average cloud cover in April: 21

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 8).

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Average visibility in April
Chula Vista, CA

Average visibility in April - Chula Vista, 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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Chula Vista, California, USA

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