May weather forecastRedwood Valley, CA
May
Weather in May
The last month of the spring, May, is a pleasant month in Redwood Valley, California, with an average temperature varying between 45.1°F (7.3°C) and 69.1°F (20.6°C).Temperature
Entering May, Redwood Valley notices a subtle temperature elevation, with the average high-temperature advancing from April's comfortable 63.1°F (17.3°C) to a pleasant 69.1°F (20.6°C). The average low-temperature reading in May for Redwood Valley reflects a significant fall from the daytime highs, stabilizing at a chilly 45.1°F (7.3°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In May, the rain falls for 5.7 days. Throughout May, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 83.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In May, the average length of the day is 14h and 21min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:33 pm PDT.
Sunshine
The average sunshine in May is 10.5h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Redwood Valley, CA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in May
Redwood Valley, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Redwood Valley, CA
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in May
Redwood Valley, CA
- Average humidity in May: 69%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in May
Redwood Valley, CA
- Average rainfall in May: 1.02"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Redwood Valley, CA
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in May
Redwood Valley, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Redwood Valley, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Redwood Valley, CA
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 10h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Redwood Valley, CA
- Average sunshine days in May: 23 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in May
Redwood Valley, 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 February and November (UV index 2).
Average cloud cover in May
Redwood Valley, CA
- Average cloud cover in May: 29
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
Redwood Valley, CA
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).





