May weather forecast
Whitethorn, CA

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Weather in May

The last month of the spring, May, is an enjoyable month in Whitethorn, California, with an average temperature fluctuating between 48.4°F (9.1°C) and 61°F (16.1°C).

Temperature

May commences with an average high-temperature of an enjoyable 61°F (16.1°C), showing little deviation from April's 57.2°F (14°C). The average nighttime temperature lowers to a chilly 48.4°F (9.1°C) throughout May.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Whitethorn, during May, the rain falls for 6.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Whitethorn, during the entire year, the rain falls for 102.7 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

In Whitethorn, snow does not fall in January, March through December.

Daylight

In Whitethorn, California, the average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:11 pm. On the last day of May, in Whitethorn, sunrise is at 5:48 am and sunset at 8:38 pm PDT.

Sunshine

In Whitethorn, the average sunshine in May is 10.2h.

UV index

In Whitethorn, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 during May translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are May temperatures in Whitethorn?

The average high-temperature and low-temperature during May are 61°F (16.1°C) and 48.4°F (9.1°C) respectively.

What is the average humidity in May in Whitethorn?

In Whitethorn, the average relative humidity in May is 78%.

How much does it rain in Whitethorn in May?

In Whitethorn, in May, during 6.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Whitethorn?

January, March through December are months without snowfall in Whitethorn, California.

How many hours of daylight does Whitethorn have in May?

In May, the average day length in Whitethorn, California, is 14h and 25min.

When is the sunrise / sunset in May in Whitethorn?

On the first day of May in Whitethorn, California, sunrise is at 6:14 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:38 pm PDT.

How long on average sun shines in May in Whitethorn?

In Whitethorn, the average sunshine duration in May is 10.2h.

How high is the UV index in May in Whitethorn?

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Whitethorn, CA

Average temperature in May - Whitethorn, CA
  • Average high temperature in May: 61°F

The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in May: 48.4°F

The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

Average pressure in May
Whitethorn, CA

Average pressure in May - Whitethorn, CA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).

Average wind speed in May
Whitethorn, CA

Average wind speed in May - Whitethorn, CA
  • Average wind speed in May: 9.5mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).

Average humidity in May
Whitethorn, CA

Average humidity in May - Whitethorn, CA
  • Average humidity in May: 78%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).

Average rainfall in May
Whitethorn, CA

Average rainfall in May - Whitethorn, CA
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in May
Whitethorn, CA

Average rainfall days in May - Whitethorn, CA
  • Average rainfall days in May: 6.6 days

The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).

Average snowfall days in May
Whitethorn, CA

Average snowfall days in May - Whitethorn, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in May / Average sunshine in May - Whitethorn, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in May
Whitethorn, CA

Average sunshine days in May - Whitethorn, CA
  • Average sunshine days in May: 22.8 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).

Average UV index in May
Whitethorn, CA

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in May
Whitethorn, CA

Average cloud cover in May - Whitethorn, CA
  • Average cloud cover in May: 29

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in May
Whitethorn, CA

Average visibility in May - Whitethorn, 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).

Whitethorn, California, USA

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