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
Red Bluff's weather in May shows a rise in the average high-temperature, moving up from April's comfortable 67.5°F (19.7°C) to a moderately hot 76.6°F (24.8°C). May nights report a substantial dip from daytime highs to an average of 52.3°F (11.3°C).Humidity
In May, the average relative humidity is 50%.Rainfall
In May, the rain falls for 6.8 days. Throughout May, 1.06" (27mm) of precipitation is accumulated. In Red Bluff, during the entire year, the rain falls for 86.1 days and collects up to 18.39" (467mm) of precipitation.Snowfall
In Red Bluff, snow does not fall in January, March through November.Daylight
In Red Bluff, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:31 pm PDT.
Sunshine
The average sunshine in May is 11.2h.UV index
In Red Bluff, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Red Bluff have in May?
What is the UV index reading in May?
Average temperature in May
Red Bluff, CA
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).
Average pressure in May
Red Bluff, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed in May
Red Bluff, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Red Bluff, CA
- Average humidity in May: 50%
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in May
Red Bluff, CA
- Average rainfall in May: 1.06"
The wettest months (with the highest rainfall) are March and December (3.27").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Red Bluff, CA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (1.1 days).
Average snowfall in May
Red Bluff, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Red Bluff, 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 and November (0 days).
Average daylight in May /
Average sunshine in May
Red Bluff, CA
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 11h and 1min
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 48min).
Average sunshine days in May
Red Bluff, CA
- Average sunshine days in May: 22.8 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in May
Red Bluff, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Red Bluff, CA
- Average cloud cover in May: 20
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Red Bluff, 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).
Red Bluff, California, USA
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