May weather forecast and climate
Orleans, CA

Weather in May

The last month of the spring, May, is a comfortable month in Orleans, California, with average temperature fluctuating between 37.8°F (3.2°C) and 65.1°F (18.4°C).

Temperature

In Orleans, the average high-temperature in May marginally rises, from a mild 57.4°F (14.1°C) in April, to a comfortable 65.1°F (18.4°C). In Orleans, in May, the average low-temperature is 37.8°F (3.2°C).

Humidity

The average relative humidity in May is 74%.

Rainfall

In Orleans, during 10.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Orleans, during the entire year, the rain falls for 127.2 days and collects up to 39.02" (991mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Orleans, the average length of the day is 14.5h.

Sunshine

In May, the average sunshine is 9.7h.

UV index

In Orleans, California, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Orleans?

The average high-temperature, in May, is 65.1°F (18.4°C), while the average low-temperature is 37.8°F (3.2°C).

What is the average humidity in May in Orleans?

In Orleans, the average relative humidity in May is 74%.

How many days does it rain in May in Orleans?

In May, in Orleans, the rain falls for 10.8 days. Throughout May, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Orleans?

In Orleans snow does not fall in April through November.

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

The average length of the day in May is 14.5h.

How many hours of sunshine does Orleans have in May?

The average sunshine in May in Orleans is 9.7h.

What is the UV index intensity in May in Orleans?

In May, the average daily maximum UV index in Orleans is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Orleans, CA

Average temperature in May - Orleans, CA
  • Average high temperature in May: 65.1°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (47.1°F).

  • Average low temperature in May: 37.8°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).

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Average pressure in May
Orleans, CA

Average pressure in May - Orleans, CA
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is August (29.96").

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Average wind speed in May
Orleans, CA

Average wind speed in May - Orleans, CA
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in May
Orleans, CA

Average humidity in May - Orleans, CA
  • Average humidity in May: 74%

The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in May
Orleans, CA

Average rainfall in May - Orleans, CA
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is January (7.17").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in May
Orleans, CA

Average rainfall days in May - Orleans, CA
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is March (19.3 days).
Months with the least rainy days are July and August (2.3 days).

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Average snowfall in May
Orleans, CA

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

The month with the highest snowfall is February (1.77").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Orleans, CA

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

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Orleans, CA
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 9.7h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 4.8h).

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Average sunshine days in May
Orleans, CA

Average sunshine days in May - Orleans, CA
  • Average sunshine days in May: 17.5 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is March (10.3 days).

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Average UV index in May
Orleans, CA

Average UV index in May - Orleans, 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, November and December (UV index 2).

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Average cloud cover in May
Orleans, CA

Average cloud cover in May - Orleans, CA
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in May
Orleans, CA

Average visibility in May - Orleans, CA
  • Average visibility in May: 5mi

Months with the highest visibility are July, August and September (6mi).
Months with the lowest visibility are March, April and December (4mi).

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