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
As Sierra City welcomes May, the average high-temperature sees a rise, transitioning from a fresh 51.4°F (10.8°C) in April to a mild 60.6°F (15.9°C). Sierra City measures a considerable dip from daytime highs with an average low-temperature of 35.8°F (2.1°C) during May.Humidity
The average relative humidity in May is 62%.Rainfall
In Sierra City, in May, it is raining for 11.8 days, with typically 2.05" (52mm) of accumulated precipitation. In Sierra City, during the entire year, the rain falls for 80.1 days and collects up to 22.95" (583mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Sierra City, in May, during 2.8 snowfall days, 2.76" (70mm) of snow is typically accumulated. Throughout the year, in Sierra City, there are 69.3 snowfall days, and 103.5" (2629mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:23 pm PDT.
Sunshine
The average sunshine in May is 10.6h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during May translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
How many hours of daylight does Sierra City have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Sierra City have in May?
What is the UV index reading in May?
Average temperature in May
Sierra City, CA
- Average high temperature in May: 60.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in May: 35.8°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 (21.6°F).
Average pressure in May
Sierra City, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Sierra City, CA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in May
Sierra City, CA
- Average humidity in May: 62%
The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in May
Sierra City, CA
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Sierra City, CA
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in May
Sierra City, CA
- Average snowfall in May: 2.76"
The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Sierra City, CA
- Average snowfall days in May: 2.8 days
The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Sierra City, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Sierra City, CA
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in May
Sierra City, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Sierra City, CA
- Average cloud cover in May: 28
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in May
Sierra City, CA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Sierra City, California, USA
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