April weather forecast
Port Hueneme, CA

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Weather in April

April, like March, in Port Hueneme, California, is another enjoyable spring month, with an average temperature fluctuating between 63.1°F (17.3°C) and 52.5°F (11.4°C).

Temperature

The shift into April reveals an average high-temperature of a still refreshing 63.1°F (17.3°C), closely mirroring March's climate. The average low-temperature of 52.5°F (11.4°C) is witnessed in Port Hueneme during April.

Humidity

In Port Hueneme, the average relative humidity in April is 66%.

Rainfall

In Port Hueneme, in April, it is raining for 5 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Ocean temperature

The month with the coldest seawater is April, with an average ocean temperature of 56.7°F (13.7°C).
Note: Caution: 56.7°F (13.7°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.

Daylight

In April, the average length of the day is 13h and 4min.
On the first day of April, sunrise is at 6:42 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:40 pm PDT.

Sunshine

The average sunshine in April is 11.1h.

UV index

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in April transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in Port Hueneme?

In Port Hueneme, 63.1°F (17.3°C) is the average high-temperature and 52.5°F (11.4°C) is the average low-temperature during April.

What is the average humidity in April?

The average relative humidity in April is 66%.

How much does it rain in Port Hueneme in April?

In Port Hueneme, in April, during 5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

What month is the ocean coldest?

The month with the coldest seawater is April, with an average ocean temperature of 56.7°F (13.7°C).

What is the ocean temperature in April?

In Port Hueneme, the average seawater temperature in April is 56.7°F (13.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in April?

In Port Hueneme, the average day length in April is 13h and 4min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:42 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:40 pm PDT.

How many hours of sunshine does Port Hueneme have in April?

In Port Hueneme, California, the average sunshine duration in April is 11.1h.

What are the months with the lowest UV index?

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Port Hueneme, CA

Average temperature in April - Port Hueneme, CA
  • Average high temperature in April: 63.1°F

The warmest months (with the highest average high temperature) are August and September (73.4°F).
The month with the lowest average high temperature is February (59°F).

  • Average low temperature in April: 52.5°F

The month with the highest average low temperature is September (63°F).
The coldest months (with the lowest average low temperature) are February and December (50.5°F).

Average pressure in April
Port Hueneme, CA

Average pressure in April - Port Hueneme, CA
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).

Average wind speed in April
Port Hueneme, CA

Average wind speed in April - Port Hueneme, CA
  • Average wind speed in April: 7.3mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in April
Port Hueneme, CA

Average humidity in April - Port Hueneme, CA
  • Average humidity in April: 66%

The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (57%).

Average rainfall in April
Port Hueneme, CA

Average rainfall in April - Port Hueneme, CA
  • Average rainfall in April: 0.47"

The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in April
Port Hueneme, CA

Average rainfall days in April - Port Hueneme, CA
  • Average rainfall days in April: 5 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.3 days).

Average sea temperature in April
Port Hueneme, CA

Average sea temperature in April - Port Hueneme, CA
  • Average sea temperature in April: 56.7°F

The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).

Average daylight in April /
Average sunshine in April
Port Hueneme, CA

Average daylight in April / Average sunshine in April - Port Hueneme, CA
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).

Average sunshine days in April
Port Hueneme, CA

Average sunshine days in April - Port Hueneme, CA
  • Average sunshine days in April: 24.1 days

The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is February (21.7 days).

Average UV index in April
Port Hueneme, CA

Average UV index in April - Port Hueneme, CA
  • Average UV index in April: 4

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

Average cloud cover in April
Port Hueneme, CA

Average cloud cover in April - Port Hueneme, CA
  • Average cloud cover in April: 16

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in April
Port Hueneme, CA

Average visibility in April - Port Hueneme, 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).

Port Hueneme, California, USA

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