Temperatures in May
It's warm in May in Santa Rosa with an average temperature of 24°C. Temperatures this month range from a low of 21°C to a high of 26°C. At night, you can expect temperatures between 8°C and 12°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Santa Rosa in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Santa Rosa with warm temperatures, averaging around 24°C during the day and nights close to 9°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature stays the same at 24°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of May
By the end of May, the average daytime temperature in Santa Rosa will be around 25°C, with nights close to 11°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in May
In May, there is an average of 22 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average chance of precipitation is only 9% in May.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Santa Rosa. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Santa Rosa in May |
London | ||
|---|---|---|---|
 Average Temperature |
24°C | 18°C | |
 High Temp |
26°C | 21°C | |
| Low Temp |
21°C | 15°C | |
 Total Precipitation |
22 mm | 46 mm | |
| Rainy Days |
3 days | 8 days | |
April
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Santa Rosa?
Want nice weather? Then May is a great time to be in Santa Rosa. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Santa Rosa in May
With 36°C, Santa Rosa hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 11°C in 2019. The extreme night temperatures ranged from a low of 0°C to a high of 15°C.
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Daily Temperature in May in Santa Rosa
This chart shows the average daily temperatures, both day and night, for each day in May in Santa Rosa, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Santa Rosa
The chart below shows the average daily precipitation in May for Santa Rosa, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 3 days of rain in Santa Rosa.
Daily UV Index in May in Santa Rosa
This chart shows the average daily UV index in May in Santa Rosa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Santa Rosa Over the Years
This chart shows the average temperature in May in Santa Rosa, measured in degrees Celsius, over the past years.
Total Precipitation in May in Santa Rosa Over the Years
This chart shows the average precipitation in May in Santa Rosa, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Santa Rosa
Click on a specific day in May for detailed info on the typical weather on that day in Santa Rosa. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Santa Rosa
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Average Weather in Santa Rosa by Month
Click on a month below to see detailed weather info for Santa Rosa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Santa Rosa for all months at once
