May weather forecastMendocino, CA
May
Weather in May
The last month of the spring, May, is another mild month in Mendocino, California, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 49.6°F (9.8°C).Temperature
May experiences an average high-temperature of a still moderate 59.7°F (15.4°C), barely different from April's 56.8°F (13.8°C). Mendocino observes an average low-temperature of 49.6°F (9.8°C) during May.Humidity
March, May and August, with an average relative humidity of 80%, are the most humid months.Rainfall
In May, the rain falls for 4.1 days. Throughout May, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 68.4 rainfall days, and 9.53" (242mm) of precipitation is accumulated.Snowfall
In Mendocino, snow does not fall in January, March through December.Ocean temperature
In Mendocino, the average seawater temperature in May is 53.1°F (11.7°C).Note: With an efficient thermal swimsuit, one can navigate 53.1°F (11.7°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In Mendocino, the average length of the day in May is 14h and 21min.On the first day of May, sunrise is at 6:15 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:35 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
In May, the average daily maximum UV index is 4. 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, 4 in May, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mendocino, CA
- Average high temperature in May: 59.7°F
The warmest month (with the highest average high temperature) is September (67.5°F).
The months with the lowest average high temperature are February and December (54.3°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in May
Mendocino, CA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Mendocino, CA
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in May
Mendocino, CA
- Average humidity in May: 80%
The months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Mendocino, CA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").
Average rainfall days in May
Mendocino, CA
- Average rainfall days in May: 4.1 days
The month with the highest number of rainy days is March (11.4 days).
The months with the least rainy days are June and August (1.8 days).
Average snowfall in May
Mendocino, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Mendocino, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Mendocino, CA
- Average sea temperature in May: 52.9°F
The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).
Average daylight in May /
Average sunshine in May
Mendocino, CA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Mendocino, CA
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in May
Mendocino, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Mendocino, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Mendocino, 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).
