May weather forecast
Boron, CA

Share

Weather in May

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

Temperature

The beginning of May marks a minor shift in the average high-temperature, moving from April's agreeable 71.8°F (22.1°C) to a warm 78.8°F (26°C). The month of May sees a significant daily temperature drop, recording an average low-temperature of 54.9°F (12.7°C).

Humidity

In Boron, California, the average relative humidity in May is 35%.

Rainfall

In Boron, during May, the rain falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 39.4 rainfall days, and 3.86" (98mm) of precipitation is accumulated.

Snowfall

February through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 1min.
On the first day of May, sunrise is at 5:58 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:59 pm PDT.

Sunshine

The average sunshine in May is 11.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 78.8°F (26°C) and a low-temperature of 54.9°F (12.7°C).

What is the average humidity in May?

The average relative humidity in May is 35%.

How many days does it rain in May?

In Boron, in May, it is raining for 1.9 days, with typically 0.12" (3mm) of accumulated precipitation.

When it does not snow?

February through October are months without snowfall.

How many hours of daylight does Boron have in May?

In Boron, the average day length in May is 14h and 1min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:59 pm PDT.

How long on average sun shines in May?

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

What is the UV index reading in May?

In Boron, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in May
Boron, CA

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

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

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).

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%).

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").

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).

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").
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0").

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).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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 and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 11h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

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).

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).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Boron, CA

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

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

Average visibility in May
Boron, CA

Average visibility in May - Boron, 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).

Boron, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location