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
Mount Shasta's May weather shows an increase in high-temperatures, moving from April's fresh 54°F (12.2°C) to a refreshing 63.3°F (17.4°C). In Mount Shasta, the nighttime chill during May is a clear shift from the day's highs, with an average of 39.2°F (4°C).Humidity
In May, the average relative humidity in Mount Shasta, California, is 65%.Rainfall
In May, in Mount Shasta, the rain falls for 10.4 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 90.7 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Mount Shasta aggregates 0.59" (15mm) of snow. In Mount Shasta, during the entire year, snow falls for 50.2 days and aggregates up to 81.42" (2068mm) of snow.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May in Mount Shasta, California, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:35 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
The average daily maximum UV index in May in Mount Shasta, California, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in May in Mount Shasta?
What is the average humidity in May in Mount Shasta?
How much does it rain in Mount Shasta in May?
What is the last month it snows in Mount Shasta?
What is the average length of the day in May in Mount Shasta?
When are sunrise and sunset in May in Mount Shasta?
How long on average sun shines in May in Mount Shasta?
How high is the UV index in May in Mount Shasta?
Average temperature in May
Mount Shasta, CA
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in May: 39.2°F
The month with the highest average low temperature is July (52.2°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in May
Mount Shasta, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in May
Mount Shasta, CA
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Mount Shasta, CA
- Average humidity in May: 65%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).
Average rainfall in May
Mount Shasta, CA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Mount Shasta, CA
- Average rainfall days in May: 10.4 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in May
Mount Shasta, CA
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (19.21").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Mount Shasta, CA
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Mount Shasta, 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Mount Shasta, CA
- Average sunshine days in May: 19.3 days
The months with the most sunshine days are July and August (25.7 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in May
Mount Shasta, CA
- Average UV index in May: 4
The months with the highest UV index are June and 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
Mount Shasta, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Mount Shasta, CA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mount Shasta, California, USA
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