July weather forecastSan Luis Obispo, CA
July
Weather in July
July, the same as June, is a moderately hot summer month in San Luis Obispo, California, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 80.1°F (26.7°C).Temperature
The commencement of July introduces an average high-temperature of a still warm 80.1°F (26.7°C), closely mirroring the preceding month. In the month of July, San Luis Obispo records a consistent average low-temperature of 58.8°F (14.9°C).Humidity
In San Luis Obispo, the average relative humidity in July is 61%.Rainfall
In San Luis Obispo, in July, during 2.3 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in San Luis Obispo, there are 57 rainfall days, and 9.57" (243mm) of precipitation is accumulated.Daylight
In July, the average length of the day is 14h and 16min.On the first day of July, sunrise is at 5:51 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:06 pm PDT.
Sunshine
The months with the most sunshine are June through August, with an average of 12h of sunshine.UV index
In San Luis Obispo, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During July, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
San Luis Obispo, CA
- Average high temperature in July: 80.1°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in July: 58.8°F
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure in July
San Luis Obispo, CA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in July
San Luis Obispo, CA
- Average wind speed in July: 5.5mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in July
San Luis Obispo, CA
- Average humidity in July: 61%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in July
San Luis Obispo, CA
- Average rainfall in July: 0.12"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in July
San Luis Obispo, CA
- Average rainfall days in July: 2.3 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight in July /
Average sunshine in July
San Luis Obispo, CA
- Average daylight in July: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in July
San Luis Obispo, CA
- Average sunshine days in July: 27.4 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index in July
San Luis Obispo, CA
- Average UV index in July: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in July
San Luis Obispo, CA
- Average cloud cover in July: 7
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in July
San Luis Obispo, 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).
