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 temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 55°F (12.8°C).

Temperature

The transition into May marks the average high-temperature at a still refreshing 65.1°F (18.4°C), differing minimally from April's 63.1°F (17.3°C). Port Hueneme experiences an average low-temperature reading of 55°F (12.8°C) throughout May.

Humidity

In May, the average relative humidity 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, in Port Hueneme, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Ocean temperature

In Port Hueneme, the average seawater temperature in May is 57.7°F (14.3°C).
Note: While a brief time in 57.7°F (14.3°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

The average length of the day in May in Port Hueneme 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, in Port Hueneme, California, sunrise is at 5:46 am and sunset at 8:03 pm PDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are the temperatures in Port Hueneme in May?

An average high-temperature, in May, in Port Hueneme, is 65.1°F (18.4°C) and the average low-temperature is 55°F (12.8°C).

What is the average humidity in May in Port Hueneme?

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

How much does it rain in Port Hueneme in May?

In Port Hueneme, during May, the rain falls for 3.8 days and regularly aggregates up to 0.24" (6mm) of precipitation.

What is the ocean temperature in May in Port Hueneme?

In May, the average ocean temperature in Port Hueneme, California, is 57.7°F (14.3°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.

How many hours of daylight does Port Hueneme have in May?

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

When are sunrise and sunset in May in Port Hueneme?

In May, on the first day of the month, 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 many hours of sunshine does Port Hueneme have in May?

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

How high is the UV index in May in Port Hueneme?

In Port Hueneme, the average daily maximum UV index in May 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 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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Port Hueneme, California, USA

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