May weather forecast
Port Hueneme, CA

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Weather in May

May, the last month of the spring in Port Hueneme, is another comfortable month, with an average temperature fluctuating between 55°F (12.8°C) and 65.1°F (18.4°C).

Temperature

Port Hueneme marks the arrival of May with an average high-temperature of a still refreshing 65.1°F (18.4°C), hardly different from April's 63.1°F (17.3°C). In Port Hueneme, an average nighttime temperature of 55°F (12.8°C) is expected during May.

Humidity

In Port Hueneme, the average relative humidity in May is 69%.

Rainfall

In Port Hueneme, in May, it is raining for 3.8 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Ocean temperature

In Port Hueneme, California, in May, the average water temperature is 57.7°F (14.3°C).
Note: You can swim in 57.7°F (14.3°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.

Daylight

In May, the average length of the day is 13h and 58min.
On the first day of the month, sunrise is at 6:06 am and sunset at 7:41 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:03 pm PDT.

Sunshine

In Port Hueneme, the average sunshine in May is 11.7h.

UV index

In Port Hueneme, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the usual temperature for Port Hueneme in May?

During May, Port Hueneme experiences an average high-temperature of 65.1°F (18.4°C) and a low-temperature of 55°F (12.8°C).

What is the average humidity in May?

In May, the average relative humidity is 69%.

How much does it rain in May?

In May, the rain falls for 3.8 days. Throughout May, 0.24" (6mm) of precipitation is accumulated.

What is the ocean temperature in May?

In May, the average ocean temperature is 57.7°F (14.3°C). Swimming in 57.7°F (14.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May?

In Port Hueneme, the average day length in May is 13h and 58min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:06 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:03 pm PDT.

How long on average sun shines in May?

The average sunshine duration in May is 11.7h.

What is the UV index reading in May in Port Hueneme?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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 May
Port Hueneme, CA

Average temperature in May - Port Hueneme, CA
  • Average high temperature in May: 65.1°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 May: 55°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 May
Port Hueneme, CA

Average pressure in May - Port Hueneme, CA
  • Average pressure in May: 29.95"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 May
Port Hueneme, CA

Average wind speed in May - Port Hueneme, CA
  • Average wind speed in May: 6.6mph

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 May
Port Hueneme, CA

Average humidity in May - Port Hueneme, CA
  • Average humidity in May: 69%

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

Average rainfall in May
Port Hueneme, CA

Average rainfall in May - Port Hueneme, CA
  • Average rainfall in May: 0.24"

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 May
Port Hueneme, CA

Average rainfall days in May - Port Hueneme, CA
  • Average rainfall days in May: 3.8 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 May
Port Hueneme, CA

Average sea temperature in May - Port Hueneme, CA
  • Average sea temperature in May: 57.7°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 May /
Average sunshine in May
Port Hueneme, CA

Average daylight in May / Average sunshine in May - Port Hueneme, CA
  • Average daylight in May: 14h and 0min

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 May: 11h and 4min

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 May
Port Hueneme, CA

Average sunshine days in May - Port Hueneme, CA
  • Average sunshine days in May: 24.8 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 May
Port Hueneme, CA

Average UV index in May - Port Hueneme, CA
  • Average UV index in May: 5

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 May
Port Hueneme, CA

Average cloud cover in May - Port Hueneme, CA
  • Average cloud cover in May: 13

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 May
Port Hueneme, CA

Average visibility in May - Port Hueneme, CA
  • Average visibility in May: 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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