May weather forecast and climate
Boron, CA

Weather in May

May, the last month of the spring, in Boron, is a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 54.9°F (12.7°C).

Temperature

In May, the average high-temperature marginally rises, from an agreeable 71.8°F (22.1°C) in April, to a moderately hot 78.8°F (26°C). The average low-temperature, in Boron, California, is 54.9°F (12.7°C).

Humidity

The average relative humidity in Boron, California, is 35%.

Rainfall

In May, the rain falls for 1.9 days. Throughout May, 0.12" (3mm) of precipitation is accumulated. In Boron, California, during the entire year, the rain falls for 39.4 days and collects up to 3.86" (98mm) of precipitation.

Snowfall

In Boron snow does not fall in February through October.

Daylight

In Boron, the average length of the day in May is 14h.

Sunshine

The average sunshine in May is 11.9h.

UV index

In Boron, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Boron?

In May, in Boron, California, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in May in Boron?

The average relative humidity in May in Boron is 35%.

How much does it rain in Boron in May?

In May, the rain falls for 1.9 days. Throughout May, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Boron?

February through October are months without snowfall in Boron, California.

How many hours of daylight does Boron have in May?

The average length of the day in May is 14h.

How many hours of sunshine does Boron have in May?

In May, the average sunshine in Boron, California, is 11.9h.

How high is the UV index in May in Boron?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in May
Boron, CA

Average temperature in May - Boron, CA
  • Average high temperature in May: 78.8°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 54.9°F

The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

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Average pressure in May
Boron, CA

Average pressure in May - Boron, CA
  • Average pressure in May: 29.89"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in May
Boron, CA

Average wind speed in May - Boron, CA
  • Average wind speed in May: 11.8mph

The windiest month (with the highest average wind speed) is May (11.8mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).

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Average humidity in May
Boron, CA

Average humidity in May - Boron, CA
  • Average humidity in May: 35%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (24%).

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Average rainfall in May
Boron, CA

Average rainfall in May - Boron, CA
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Boron, CA

Average rainfall days in May - Boron, CA
  • Average rainfall days in May: 1.9 days

The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall in May
Boron, CA

Average snowfall in May - Boron, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is November (0.71").
Months with the least snowfall are February, March, April, May, June, July, August, September and October (0").

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Average snowfall days in May
Boron, CA

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

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Boron, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 11.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 7h).

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Average sunshine days in May
Boron, CA

Average sunshine days in May - Boron, CA
  • Average sunshine days in May: 27.7 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).

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Average UV index in May
Boron, CA

Average UV index in May - Boron, CA
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Boron, CA

Average cloud cover in May - Boron, CA
  • Average cloud cover in May: 9

Months with the most cloud cover are March and December (Cloud cover 19).
Months with the least cloud cover are June, August and September (Cloud cover 5).

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Average visibility in May
Boron, CA

Average visibility in May - Boron, 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).

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