Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July brings a marginal elevation to a still pleasant 70.5°F (21.4°C) from June's 69.1°F (20.6°C) in Mill Valley's average high-temperatures. An average low-temperature of 54.3°F (12.4°C) is recorded during the nights in July in Mill Valley.Humidity
In July, the average relative humidity in Mill Valley is 75%.Rainfall
June through September are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In July, the average length of the day is 14h and 29min.On the first day of July in Mill Valley, sunrise is at 5:51 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:19 pm PDT.
Sunshine
With an average of 11.2h of sunshine, July has the most sunshine of the year in Mill Valley.UV index
April, June through September, with an average maximum UV index of 5, are months with the highest UV index in Mill Valley. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in July translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Mill Valley in July?
What is the average humidity in July in Mill Valley?
What is the driest month in Mill Valley?
How many days does it rain in July in Mill Valley?
How many hours of daylight does Mill Valley have in July?
What time are sunrise and sunset in July in Mill Valley?
What month has the most sunshine in Mill Valley?
How many hours of sunshine does Mill Valley have in July?
What is the month with the highest UV index in Mill Valley?
What is the UV index reading in July in Mill Valley?
Average temperature in July
Mill Valley, CA
- Average high temperature in July: 70.5°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 July: 54.3°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 July
Mill Valley, CA
- Average pressure in July: 29.93"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 July
Mill Valley, CA
- Average wind speed in July: 6.6mph
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 July
Mill Valley, CA
- Average humidity in July: 75%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Mill Valley, CA
- Average rainfall in July: 0.04"
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 July
Mill Valley, CA
- Average rainfall days in July: 1.4 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 July /
Average sunshine in July
Mill Valley, CA
- Average daylight in July: 14h and 3min
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 July: 11h and 1min
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 July
Mill Valley, CA
- Average sunshine days in July: 26.3 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 July
Mill Valley, CA
- Average UV index in July: 5
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 July
Mill Valley, CA
- Average cloud cover in July: 21
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 July
Mill Valley, CA
- Average visibility in July: 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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