May weather forecast
Orleans, CA

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Weather in May

May, the last month of the spring in Orleans, is an enjoyable month, with an average temperature ranging between min 37.8°F (3.2°C) and max 65.1°F (18.4°C).

Temperature

With the onset of May, Orleans's weather sees a minor temperature rise, transitioning from a refreshing 57.4°F (14.1°C) in April to a comfortable 65.1°F (18.4°C). Orleans's daily high temperature significantly diverges from the consistently recorded temperature low averaging a wintry 37.8°F (3.2°C) in May.

Humidity

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

Rainfall

In Orleans, in May, during 10.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 127.2 rainfall days, and 39.02" (991mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Orleans.

Daylight

The average length of the day in May in Orleans, California, is 14h and 31min.
On the first day of May in Orleans, California, sunrise is at 6:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:40 pm PDT.

Sunshine

The average sunshine in May is 9.7h.

UV index

In May, the average daily maximum UV index in Orleans is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What are the temperatures in Orleans in May?

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

What is the average humidity in May in Orleans?

The average relative humidity in May in Orleans, California, is 74%.

How much does it rain in Orleans in May?

In Orleans, in May, it is raining for 10.8 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Orleans?

April through November are months without snowfall in Orleans.

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

In May, the average day length in Orleans, California, is 14h and 31min.

When are sunrise and sunset in May in Orleans?

On the first day of May, sunrise is at 6:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:40 pm PDT.

How many hours of sunshine does Orleans have in May?

The average sunshine duration in May is 9.7h.

How high is the UV index 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 moderate vulnerability from unprotected exposure to UV radiation.
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
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"Hg

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

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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).
The 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").
The 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).
The 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: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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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).
The 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

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

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Orleans, California, USA

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