Average Weather in July in Lagunitas-Forest Knolls California, United States
Daily high temperatures are around 71°F, rarely falling below 63°F or exceeding 80°F.
Daily low temperatures are around 50°F, rarely falling below 46°F or exceeding 54°F.
For reference, on September 11, the hottest day of the year, temperatures in Lagunitas-Forest Knolls typically range from 51°F to 72°F, while on December 31, the coldest day of the year, they range from 40°F to 53°F.
Average High and Low Temperature in July
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on July. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in July
The month of July in Lagunitas-Forest Knolls experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 10% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 8% on July 20.
The clearest day of the month is July 20, with clear, mostly clear, or partly cloudy conditions 92% of the time.
For reference, on January 11, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 55%, while on July 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.
Cloud Cover Categories in July
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The average sliding 31-day rainfall during July in Lagunitas-Forest Knolls is essentially constant, remaining about 0.0 inches throughout, and rarely exceeding 0.3 inches or falling below -0.0 inches.
The lowest average 31-day accumulation is 0.0 inches on July 31.
Average Monthly Rainfall in July
Over the course of July in Lagunitas-Forest Knolls, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 37 minutes, implying an average daily decrease of 1 minute, 15 seconds, and weekly decrease of 8 minutes, 43 seconds.
The shortest day of the month is July 31, with 14 hours, 8 minutes of daylight and the longest day is July 1, with 14 hours, 46 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Lagunitas-Forest Knolls is 5:51 AM on July 1 and the latest sunrise is 21 minutes later at 6:12 AM on July 31.
The latest sunset is 8:37 PM on July 1 and the earliest sunset is 16 minutes earlier at 8:20 PM on July 31.
Daylight saving time is observed in Lagunitas-Forest Knolls during 2019, but it neither starts nor ends during July, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:48 AM and sets 14 hours, 48 minutes later, at 8:36 PM, while on December 22, the shortest day of the year, it rises at 7:23 AM and sets 9 hours, 31 minutes later, at 4:55 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Lagunitas-Forest Knolls is essentially constant during July, remaining around 0% throughout.
For reference, on August 21, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in July
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Lagunitas-Forest Knolls is gradually decreasing during July, decreasing from 9.4 miles per hour to 8.5 miles per hour over the course of the month.
For reference, on June 5, the windiest day of the year, the daily average wind speed is 10.0 miles per hour, while on October 21, the calmest day of the year, the daily average wind speed is 7.5 miles per hour.
Average Wind Speed in July
Wind Direction in July
Lagunitas-Forest Knolls is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Lagunitas-Forest Knolls is gradually increasing during July, rising by 2°F, from 54°F to 56°F, over the course of the month.
Average Water Temperature in July
While it does not do so every year, freezing temperatures are seen in Lagunitas-Forest Knolls over some winters. The day least likely to be in the growing season is January 2, with a 54% chance.
Time Spent in Various Temperature Bands and the Growing Season in July
The average accumulated growing degree days in Lagunitas-Forest Knolls are increasing during July, increasing by 261°F, from 756°F to 1,017°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Lagunitas-Forest Knolls is essentially constant during July, remaining within 0.2 kWh of 8.2 kWh throughout.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Lagunitas-Forest Knolls are 38.018 deg latitude, -122.691 deg longitude, and 650 ft elevation.
The topography within 2 miles of Lagunitas-Forest Knolls contains very significant variations in elevation, with a maximum elevation change of 1,293 feet and an average elevation above sea level of 620 feet. Within 10 miles contains very significant variations in elevation (2,562 feet). Within 50 miles contains large variations in elevation (4,295 feet).
The area within 2 miles of Lagunitas-Forest Knolls is covered by trees (83%) and grassland (10%), within 10 miles by trees (38%) and grassland (24%), and within 50 miles by water (49%) and grassland (16%).
This report illustrates the typical weather in Lagunitas-Forest Knolls year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Lagunitas-Forest Knolls.
For each station, the records are corrected for the elevation difference between that station and Lagunitas-Forest Knolls according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Lagunitas-Forest Knolls is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lagunitas-Forest Knolls and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .