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
Mill Valley's May reports an average high-temperature of a still enjoyable 64.9°F (18.3°C), exhibiting a minor difference from April. Throughout May, Mill Valley experiences a low-temperature average of 50.4°F (10.2°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Mill Valley, in May, it is raining for 3.3 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.Daylight
In Mill Valley, the average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 6:13 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:26 pm PDT.
Sunshine
In Mill Valley, the average sunshine in May is 10h.UV index
In Mill Valley, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mill Valley in May?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Mill Valley have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Mill Valley?
Average temperature in May
Mill Valley, CA
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in May
Mill Valley, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Mill Valley, CA
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in May
Mill Valley, CA
- Average humidity in May: 75%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Mill Valley, CA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in May
Mill Valley, CA
- Average rainfall days in May: 3.3 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in May /
Average sunshine in May
Mill Valley, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Mill Valley, CA
- Average sunshine days in May: 24.7 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in May
Mill Valley, CA
- Average UV index in May: 4
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Mill Valley, CA
- Average cloud cover in May: 31
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in May
Mill Valley, 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).
Mill Valley, California, USA
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