May weather forecastGilroy, CA
May
Weather in May
The last month of the spring, May, is also an agreeable month in Gilroy, California, with an average temperature ranging between min 46°F (7.8°C) and max 72.5°F (22.5°C).Temperature
The transition into May notes an average high-temperature of a still agreeable 72.5°F (22.5°C), revealing a mild distinction from the 68.2°F (20.1°C) in April. A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 46°F (7.8°C).Humidity
In Gilroy, the average relative humidity in May is 66%.Rainfall
May is the last month it rains. During 2.4 rainfall days, in May, Gilroy aggregates 0.12" (3mm) of precipitation. Throughout the year, there are 43.4 rainfall days, and 3.66" (93mm) of precipitation is accumulated.Daylight
The average length of the day in May is 14h and 10min.On the first day of May, sunrise is at 6:10 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:20 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 in May translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
Average temperature in May
Gilroy, CA
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in May: 46°F
The months with the highest average low temperature are August and September (54.1°F).
The coldest months (with the lowest average low temperature) are February and March (40.6°F).
Average pressure in May
Gilroy, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Gilroy, CA
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in May
Gilroy, CA
- Average humidity in May: 66%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).
Average rainfall in May
Gilroy, CA
- Average rainfall in May: 0.12"
The wettest month (with the highest rainfall) is December (0.83").
The driest months (with the least rainfall) are June, July and August (0").
Average rainfall days in May
Gilroy, CA
- Average rainfall days in May: 2.4 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (0.6 days).
Average daylight in May /
Average sunshine in May
Gilroy, CA
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Gilroy, CA
- Average sunshine days in May: 27.7 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (21.4 days).
Average UV index in May
Gilroy, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Gilroy, CA
- Average cloud cover in May: 22
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in May
Gilroy, 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).
