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
Half Moon Bay observes a minor difference in average high-temperatures between June's 63.7°F (17.6°C) and July's 65.1°F (18.4°C). Half Moon Bay usually reports an average low-temperature of 54.3°F (12.4°C) during the month of July.Humidity
The average relative humidity in July in Half Moon Bay is 81%.Rainfall
The months with the least rainfall in Half Moon Bay are June and July Rain falls for 4.4 days and accumulates 0.12" (3mm) of rain.Daylight
In Half Moon Bay, the average length of the day in July is 14h and 27min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:34 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:18 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 11.4h of sunshine.UV index
The months with the lowest UV index are January through May, July, October through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In July, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in July in Half Moon Bay?
What is the average humidity in July in Half Moon Bay?
What is the driest month in Half Moon Bay?
How much does it rain in Half Moon Bay in July?
How many hours of daylight does Half Moon Bay have in July?
When is the sunrise / sunset in July in Half Moon Bay?
What month has the most sunshine in Half Moon Bay?
How long on average sun shines in July in Half Moon Bay?
What are the months with the lowest UV index in Half Moon Bay?
What is the UV index intensity in July in Half Moon Bay?
Average temperature in July
Half Moon Bay, CA
- Average high temperature in July: 65.1°F
The warmest month (with the highest average high temperature) is September (66.9°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in July: 54.3°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in July
Half Moon Bay, CA
- Average pressure in July: 29.94"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 July
Half Moon Bay, CA
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in July
Half Moon Bay, CA
- Average humidity in July: 81%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall in July
Half Moon Bay, CA
- Average rainfall in July: 0.12"
The wettest month (with the highest rainfall) is February (1.61").
The driest months (with the least rainfall) are June and July (0.12").
Average rainfall days in July
Half Moon Bay, CA
- Average rainfall days in July: 4.4 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (3 days).
Average daylight in July /
Average sunshine in July
Half Moon Bay, CA
- Average daylight in July: 14h and 2min
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: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in July
Half Moon Bay, CA
- Average sunshine days in July: 21.8 days
The month with the most sunshine days is October (24.6 days).
The months with the least sunshine days are March and August (18.8 days).
Average UV index in July
Half Moon Bay, CA
- Average UV index in July: 4
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, May, July, October, November and December (UV index 4).
Average cloud cover in July
Half Moon Bay, CA
- Average cloud cover in July: 21
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in July
Half Moon Bay, 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).
Half Moon Bay, California, USA
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