July weather forecastMenlo Park, CA
July
Weather in July
July, the same as June, is another warm summer month in Menlo Park, California, with an average temperature fluctuating between 55.4°F (13°C) and 77.5°F (25.3°C).Temperature
July and August are known as Menlo Park's warmest months, with an average high-temperature of 77.5°F (25.3°C).Humidity
In July, the average relative humidity is 66%.Rainfall
The only month without rainfall is July.Daylight
The average length of the day in July is 14h and 26min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:12 am and sunset at 8:17 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in July leads to these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Menlo Park, CA
- Average high temperature in July: 77.5°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in July: 55.4°F
The month with the highest average low temperature is August (57°F).
The coldest months (with the lowest average low temperature) are January and February (45.1°F).
Average pressure in July
Menlo Park, 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 and September (29.92"Hg).
Average wind speed in July
Menlo Park, CA
- Average wind speed in July: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.9mph).
Average humidity in July
Menlo Park, CA
- Average humidity in July: 66%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in July
Menlo Park, CA
- Average rainfall in July: 0"
The wettest month (with the highest rainfall) is February (2.01").
The driest month (with the least rainfall) is July (0").
Average rainfall days in July
Menlo Park, CA
- Average rainfall days in July: 0.8 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.6 days).
Average daylight in July /
Average sunshine in July
Menlo Park, CA
- Average daylight in July: 14h and 24min
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 July: 12h 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: 5h and 54min).
Average sunshine days in July
Menlo Park, CA
- Average sunshine days in July: 30.2 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (18 days).
Average UV index in July
Menlo Park, CA
- Average UV index in July: 5
The months with the highest UV index are April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in July
Menlo Park, CA
- Average cloud cover in July: 6
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in July
Menlo Park, 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).
