May weather forecast
Yreka, CA

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Weather in May

May, the last month of the spring in Yreka, is a refreshing month, with an average temperature varying between 63.9°F (17.7°C) and 38.7°F (3.7°C).

Temperature

The commencement of May sees a minor shift in the average high-temperature, moving from a fresh 55°F (12.8°C) in April to a comfortable 63.9°F (17.7°C). May is characterized by a distinct thermal shift, with nighttime lows averaging at an icy 38.7°F (3.7°C).

Humidity

The average relative humidity in May is 68%.

Rainfall

In Yreka, in May, it is raining for 12.6 days, with typically 1.61" (41mm) of accumulated precipitation. In Yreka, during the entire year, the rain falls for 116 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Yreka, the average length of the day in May is 14h and 34min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:38 pm PDT.

Sunshine

The average sunshine in May is 10.9h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

Yreka in May has an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 38.7°F (3.7°C).

What is the average humidity in May?

In Yreka, the average relative humidity in May is 68%.

How much does it rain in May?

In Yreka, during May, the rain falls for 12.6 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in Yreka in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Yreka have in May?

In Yreka, the average day length in May is 14h and 34min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:38 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.9h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Yreka, CA

Average temperature in May - Yreka, CA
  • Average high temperature in May: 63.9°F

The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in May: 38.7°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

Average pressure in May
Yreka, CA

Average pressure in May - Yreka, CA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed in May
Yreka, CA

Average wind speed in May - Yreka, CA
  • Average wind speed in May: 4.5mph

The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in May
Yreka, CA

Average humidity in May - Yreka, CA
  • Average humidity in May: 68%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).

Average rainfall in May
Yreka, CA

Average rainfall in May - Yreka, CA
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in May
Yreka, CA

Average rainfall days in May - Yreka, CA
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).

Average snowfall in May
Yreka, CA

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

The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Yreka, CA

Average snowfall days in May - Yreka, CA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Yreka, CA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

Average sunshine days in May
Yreka, CA

Average sunshine days in May - Yreka, CA
  • Average sunshine days in May: 16.2 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).

Average UV index in May
Yreka, CA

Average UV index in May - Yreka, 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 January, February, March, November and December (UV index 2).

Average cloud cover in May
Yreka, CA

Average cloud cover in May - Yreka, CA
  • Average cloud cover in May: 30

The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in May
Yreka, CA

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

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).

Yreka, California, USA

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