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
Weather in May
Temperature
May's arrival registers an average high-temperature of a still enjoyable 65.1°F (18.4°C), closely aligning with the temperature of the previous month. San Carlos's temperature drops to an average low of 50°F (10°C) during the nights of May.Humidity
In San Carlos, the average relative humidity in May is 73%.Rainfall
In San Carlos, in May, it is raining for 5.9 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 77.5 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Daylight
In San Carlos, the average length of the day in May is 14h and 13min.On the first day of May, sunrise is at 6:12 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:24 pm PDT.
Sunshine
In May, the average sunshine is 10.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May in San Carlos?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
San Carlos, CA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in May
San Carlos, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in May
San Carlos, CA
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).
Average humidity in May
San Carlos, CA
- Average humidity in May: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
San Carlos, CA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
San Carlos, CA
- Average rainfall days in May: 5.9 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).
Average daylight in May /
Average sunshine in May
San Carlos, CA
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
San Carlos, CA
- Average sunshine days in May: 21.6 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in May
San Carlos, CA
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
San Carlos, CA
- Average cloud cover in May: 25
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
San Carlos, 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).
San Carlos, California, USA
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