Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The onset of May brings a minor temperature shift, with the average high-temperature moving from a cool 55°F (12.8°C) in April to a refreshing 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
In May, the average relative humidity is 68%.Rainfall
In Yreka, in May, during 12.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 116 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Yreka, California, snow does not fall in May through September.Daylight
The average length of the day in May in Yreka, California, 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
In Yreka, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during May translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are May temperatures in Yreka?
What is the average humidity in May in Yreka?
How much does it rain in Yreka in May?
When it does not snow in Yreka?
Does it snow in Yreka in May?
What is the average length of the day in May in Yreka?
When are sunrise and sunset in May in Yreka?
How many hours of sunshine does Yreka have in May?
What is the UV index reading in May in Yreka?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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