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 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
May
Weather in May
Temperature
Santa Rosa's May average high-temperature settles at an agreeable 69.1°F (20.6°C), showing a near match with the preceding month. Throughout May, an average nighttime temperature of 48.6°F (9.2°C) is experienced.Humidity
In Santa Rosa, the average relative humidity in May is 70%.Rainfall
In Santa Rosa, in May, it is raining for 5.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Santa Rosa, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.Daylight
In Santa Rosa, the average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:28 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
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 radiation for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Santa Rosa in May?
What is the average humidity in May in Santa Rosa?
How much does it rain in Santa Rosa in May?
What is the average length of the day in May in Santa Rosa?
When are sunrise and sunset in May in Santa Rosa?
How many hours of sunshine does Santa Rosa have in May?
What is the UV index reading in May in Santa Rosa?
Average temperature in May
Santa Rosa, CA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in May: 48.6°F
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in May
Santa Rosa, 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
Santa Rosa, CA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in May
Santa Rosa, CA
- Average humidity in May: 70%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).
Average rainfall in May
Santa Rosa, CA
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Santa Rosa, CA
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in May /
Average sunshine in May
Santa Rosa, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Santa Rosa, CA
- Average sunshine days in May: 23.4 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).
Average UV index in May
Santa Rosa, CA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Santa Rosa, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Santa Rosa, 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).