May weather forecast
Byron, CA

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Weather in May

May, the last month of the spring in Byron, is a moderately hot month, with an average temperature varying between 75.6°F (24.2°C) and 50.5°F (10.3°C).

Temperature

May brings a slight increase in the average high-temperature, progressing from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). Byron undergoes a major shift from daytime highs, averaging a cool 50.5°F (10.3°C) during the night in May.

Humidity

In May, the average relative humidity is 60%.

Rainfall

In Byron, during May, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Byron, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

In May, the average length of the day is 14h and 14min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of May, in Byron, California, sunrise is at 5:45 am and sunset at 8:22 pm PDT.

Sunshine

The average sunshine in May in Byron is 11.2h.

UV index

In Byron, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the average May temperature in Byron?

In Byron, 75.6°F (24.2°C) is the average high-temperature and 50.5°F (10.3°C) is the average low-temperature during May.

What is the average humidity in May in Byron?

In Byron, the average relative humidity in May is 60%.

How much does it rain in Byron in May?

In Byron, in May, it is raining for 4 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow in Byron?

January through November are months without snowfall.

How many hours of daylight does Byron have in May?

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

When is the sunrise / sunset in May in Byron?

On the first day of May, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:22 pm PDT.

How many hours of sunshine does Byron have in May?

In Byron, the average sunshine duration in May is 11.2h.

How high is the UV index in May in Byron?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
Byron, CA

Average temperature in May - Byron, CA
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in May
Byron, CA

Average pressure in May - Byron, CA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Byron, CA

Average wind speed in May - Byron, CA
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in May
Byron, CA

Average humidity in May - Byron, CA
  • Average humidity in May: 60%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in May
Byron, CA

Average rainfall in May - Byron, CA
  • Average rainfall in May: 0.43"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Byron, CA

Average rainfall days in May - Byron, CA
  • Average rainfall days in May: 4 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in May
Byron, CA

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

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

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

Average daylight in May / Average sunshine in May - Byron, CA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in May
Byron, CA

Average sunshine days in May - Byron, CA
  • Average sunshine days in May: 26.6 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in May
Byron, CA

Average UV index in May - Byron, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Byron, CA

Average cloud cover in May - Byron, CA
  • Average cloud cover in May: 19

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in May
Byron, CA

Average visibility in May - Byron, 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).

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Byron, California, USA

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