United StatesThe weather in May in Fairfax
It's pleasantly warm in May in Fairfax with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 26°C. At night, you can expect temperatures between 9°C and 12°C.
Looking for great weather? May is a good time to be in Fairfax. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Fairfax, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2020, Fairfax reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 12°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 17°C.
Rainfall amount
In May, there is an average of 19 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in May for Fairfax
Click on any day in May to get detailed info about the usual weather on that day in Fairfax. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Fairfax | New York | |
|---|---|---|
| Average temperature | 22°C | 22°C |
| Max. temperature | 26°C | 28°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 19 mm | 105 mm |
| Rainy days | 3 days | 14 days |
Start of May
The month of May starts in Fairfax with warm temps, averaging around 23°C during the day and nights around 10°C.
Mid May
By mid-May, daytime temps drop to around 22°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Fairfax is around 24°C, while nighttime temps are about 11°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Fairfax for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Fairfax, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Fairfax
Temperature in May in Fairfax over the years
Precipitation charts
These charts show the average amount of precipitation in May in Fairfax, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Fairfax
Total precipitation in May in Fairfax over the years
Daily UV index in May in Fairfax
This chart shows the average daily UV index in May in Fairfax, 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.
Weather experiences in May in Fairfax
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Average weather in Fairfax by month
Click on a month below to see detailed weather info for Fairfax. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.