May weather forecast and climate
Spreckels, CA

Weather in May

The last month of the spring, May, is another comfortable month in Spreckels, California, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48°F (8.9°C).

Temperature

In Spreckels, California, the average high-temperature is relatively the same as in April - a still enjoyable 66.7°F (19.3°C). The average low-temperature, in May, is 48°F (8.9°C).

Humidity

The average relative humidity in Spreckels is 73%.

Rainfall

In May, the rain falls for 3.5 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 57.8 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 14.1h.

Sunshine

The average sunshine is 11h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
[Resources]

FAQ

What is the temperature in May in Spreckels?

In Spreckels, California, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 48°F (8.9°C).

What is the average humidity in May in Spreckels?

The average relative humidity in May is 73%.

How many days does it rain in May in Spreckels?

In Spreckels, California, in May, it is raining for 3.5 days, with typically 0.24" (6mm) of accumulated precipitation.

How many hours of daylight does Spreckels have in May?

In Spreckels, California, the average length of the day in May is 14.1h.

How many hours of sunshine does Spreckels have in May?

The average sunshine in May is 11h.

How high is the UV index in May in Spreckels?

The average daily maximum UV index in May in Spreckels, California, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Spreckels, CA

Average temperature in May - Spreckels, CA
  • Average high temperature in May: 66.7°F

The warmest months (with the highest average high temperature) are August and September (76.1°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in May: 48°F

Months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).

[Resources]

Average pressure in May
Spreckels, CA

Average pressure in May - Spreckels, CA
  • Average pressure in May: 29.98"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

[Resources]

Average wind speed in May
Spreckels, CA

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

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

[Resources]

Average humidity in May
Spreckels, CA

Average humidity in May - Spreckels, CA
  • Average humidity in May: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (66%).

[Resources]

Average rainfall in May
Spreckels, CA

Average rainfall in May - Spreckels, CA
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is December (1.38").
The driest months (with the least rainfall) are June and August (0.04").

[Resources]

Average rainfall days in May
Spreckels, CA

Average rainfall days in May - Spreckels, CA
  • Average rainfall days in May: 3.5 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).

[Resources]

Average daylight in May /
Average sunshine in May
Spreckels, CA

Average daylight in May / Average sunshine in May - Spreckels, CA
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 11h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).

[Resources]

Average sunshine days in May
Spreckels, CA

Average sunshine days in May - Spreckels, CA
  • Average sunshine days in May: 25.8 days

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (19.2 days).

[Resources]

Average UV index in May
Spreckels, CA

Average UV index in May - Spreckels, CA
  • Average UV index in May: 4

Months with the highest UV index are June, July, August and September (UV index 5).
Months with the lowest UV index are February, November and December (UV index 3).

[Resources]

Average cloud cover in May
Spreckels, CA

Average cloud cover in May - Spreckels, CA
  • Average cloud cover in May: 23

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 8).

[Resources]

Average visibility in May
Spreckels, CA

Average visibility in May - Spreckels, CA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]