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
May's arrival is marked by an increase in the average high-temperature, moving from a comfortable 65.5°F (18.6°C) in April to a moderately hot 74.7°F (23.7°C). Throughout May, Shasta acknowledges a distinct difference between its daytime highs and the steady low average of 49.1°F (9.5°C).Humidity
In May, the average relative humidity in Shasta is 55%.Rainfall
In Shasta, during May, the rain falls for 8.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Shasta, during the entire year, the rain falls for 92.2 days and collects up to 20.16" (512mm) of precipitation.Snowfall
January, April through November are months without snowfall.Daylight
In Shasta, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:34 pm PDT.
Sunshine
The average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 in May translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Shasta, CA
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in May
Shasta, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in May
Shasta, CA
- Average wind speed in May: 5mph
The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).
Average humidity in May
Shasta, CA
- Average humidity in May: 55%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is August (33%).
Average rainfall in May
Shasta, CA
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Shasta, CA
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in May
Shasta, CA
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Shasta, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Shasta, CA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 11h and 1min
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 30min).
Average sunshine days in May
Shasta, CA
- Average sunshine days in May: 19.7 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in May
Shasta, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in May
Shasta, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Shasta, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Shasta, California, USA
Weather forecast for your location
2. Allow the app to use your location