Crescent City
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Crescent City, CA

The magnificent red and white stone Battery Point Lighthouse in Crescent City, California
The magnificent red and white stone Battery Point Lighthouse in Crescent City, California
May, the last month of the spring, in Crescent City, is another mild month, with average temperature varying between 59.5°F (15.3°C) and 46°F (7.8°C).

Temperature

In May, the average high-temperature is practically the same as in April - a still moderate 59.5°F (15.3°C). The average low-temperature, in Crescent City, California, is 46°F (7.8°C).

Rainfall

In May, in Crescent City, the rain falls for 6.8 days. Throughout May, 3.4" (86mm) of precipitation is accumulated. In Crescent City, during the entire year, the rain falls for 97.7 days and collects up to 70.3" (1785mm) of precipitation.

Ocean temperature

In Crescent City, California, the average seawater temperature in May is 52.2°F (11.2°C).
Note: Swimming in 52.2°F (11.2°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.

Daylight

In May, the average length of the day is 14.6h.

Sunshine

The average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index in Crescent City is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Crescent City?

In Crescent City, in May, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 46°F (7.8°C).

How many days does it rain in May in Crescent City?

In May, in Crescent City, California, the rain falls for 6.8 days. Throughout May, 3.4" (86mm) of precipitation is accumulated.

How cold is the water in May in Crescent City?

In May, the average ocean temperature is 52.2°F (11.2°C). Swimming in 52.2°F (11.2°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 Crescent City?

The average length of the day in May in Crescent City, California, is 14.6h.

How many hours of sunshine does Crescent City have in May?

The average sunshine in May is 9h.

How high is the UV index in May in Crescent City?

In Crescent City, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Crescent City, CA
  • Average high temperature in May: 59.6°F

Warmest months (with the highest average high temperature) are August and September (66°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is August (50.8°F).
The coldest month (with the lowest average low temperature) is December (38.9°F).

Average rainfall in May - Crescent City, CA
  • Average rainfall in May: 3.4"

The wettest month (with the highest rainfall) is December (11.9").
The driest month (with the lowest rainfall) is July (0.4").

Average rainfall days in May - Crescent City, CA
  • Average rainfall days in May: 6.8 days

The month with the highest number of rainy days is March (13.4 days).
The month with the lowest number of rainy days is July (1.6 days).

Average sea temperature in May - Crescent City, CA
  • Average sea temperature in May: 52.2°F

The best month for swimming (with the highest average sea temperature) is October (52.6°F).
The coldest month (with the lowest average sea temperature) is April (50.7°F).

Average daylight in May / Average sunshine in May - Crescent City, CA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 9h

Months with most sunshine are June and July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in May - Crescent City, CA
  • Average UV index in May: 7

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).