May weather forecast and climate
Chester, CA

Weather in May

May, the last month of the spring, in Chester, is a mild month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 60.3°F (15.7°C).

Temperature

In May, the average high-temperature marginally rises, from a fresh 51.6°F (10.9°C) in April, to a mild 60.3°F (15.7°C). In May, in Chester, the average low-temperature is 37.6°F (3.1°C).

Humidity

In May, the average relative humidity in Chester is 64%.

Rainfall

In Chester, California, it is raining for 13.4 days, with typically 2.56" (65mm) of accumulated precipitation. In Chester, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Chester, in May, snow falls for 2.3 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, in Chester, there are 66 snowfall days, and 127.72" (3244mm) of snow is accumulated.

Daylight

In Chester, the average length of the day in May is 14.4h.

Sunshine

The average sunshine in Chester is 10.7h.

UV index

The average daily maximum UV index in Chester is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Chester?

In May, in Chester, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 37.6°F (3.1°C).

What is the average humidity in May in Chester?

In Chester, the average relative humidity in May is 64%.

How much does it rain in Chester in May?

In Chester, during May, the rain falls for 13.4 days and regularly aggregates up to 2.56" (65mm) of precipitation.

How much does it snow in Chester in May?

In Chester, in May, snow falls for 2.3 days, with typically accumulated 2.87" (73mm) of snow.

What is the average length of the day in May in Chester?

The average length of the day in May is 14.4h.

How many hours of sunshine does Chester have in May?

In May, the average sunshine is 10.7h.

How high is the UV index in May in Chester?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Chester, CA

Average temperature in May - Chester, CA
  • Average high temperature in May: 60.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in May: 37.6°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure in May
Chester, CA

Average pressure in May - Chester, CA
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in May
Chester, CA

Average wind speed in May - Chester, CA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Chester, CA

Average humidity in May - Chester, CA
  • Average humidity in May: 64%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).

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Average rainfall in May
Chester, CA

Average rainfall in May - Chester, CA
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in May
Chester, CA

Average rainfall days in May - Chester, CA
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).

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Average snowfall in May
Chester, CA

Average snowfall in May - Chester, CA
  • Average snowfall in May: 2.87"

The month with the highest snowfall is March (27.05").
Months with the least snowfall are July and August (0").

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Average snowfall days in May
Chester, CA

Average snowfall days in May - Chester, CA
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is March (14 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Chester, CA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 10.7h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in May
Chester, CA

Average sunshine days in May - Chester, CA
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in May
Chester, CA

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

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are February and November (UV index 1).

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Average cloud cover in May
Chester, CA

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

The month with the most cloud cover is March (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 7).

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Average visibility in May
Chester, CA

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

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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