Average Weather in July in Terrebonne Oregon, United States
Daily low temperatures increase by 3°F, from 48°F to 51°F, rarely falling below 39°F or exceeding 58°F. The highest daily average low temperature is 51°F on July 31.
For reference, on August 3, the hottest day of the year, temperatures in Terrebonne typically range from 51°F to 88°F, while on December 23, the coldest day of the year, they range from 25°F to 41°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 Terrebonne experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 26% to 16%. The lowest chance of overcast or mostly cloudy conditions is 16% on July 28.
The clearest day of the month is July 28, with clear, mostly clear, or partly cloudy conditions 84% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on July 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%.
Cloud Cover Categories in July
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Terrebonne, the chance of a wet day over the course of July is gradually decreasing, starting the month at 10% and ending it at 7%.
For reference, the year's highest daily chance of a wet day is 37% on November 28, and its lowest chance is 6% on August 15.
Probability of Precipitation in July
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during July in Terrebonne is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.1 inches.
Average Monthly Rainfall in July
Over the course of July in Terrebonne, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 49 minutes, implying an average daily decrease of 1 minute, 38 seconds, and weekly decrease of 11 minutes, 25 seconds.
The shortest day of the month is July 31, with 14 hours, 39 minutes of daylight and the longest day is July 1, with 15 hours, 28 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Terrebonne is 5:24 AM on July 1 and the latest sunrise is 27 minutes later at 5:51 AM on July 31.
The latest sunset is 8:52 PM on July 1 and the earliest sunset is 22 minutes earlier at 8:30 PM on July 31.
Daylight saving time is observed in Terrebonne during 2017, 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 5:20 AM and sets 15 hours, 32 minutes later, at 8:52 PM, while on December 21, the shortest day of the year, it rises at 7:37 AM and sets 8 hours, 51 minutes later, at 4:28 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Terrebonne is essentially constant during July, remaining around 0% throughout.
For reference, on August 14, 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
The average hourly wind speed in Terrebonne is gradually decreasing during July, decreasing from 6.2 miles per hour to 5.6 miles per hour over the course of the month.
For reference, on December 1, the windiest day of the year, the daily average wind speed is 7.8 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.
Average Wind Speed in July
Wind Direction in July
The growing season in Terrebonne typically lasts for 3.9 months (118 days), from around May 28 to around September 23, rarely starting before May 8 or after June 19, and rarely ending before September 6 or after October 13.
The month of July in Terrebonne is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in July
The average accumulated growing degree days in Terrebonne are rapidly increasing during July, increasing by 529°F, from 722°F to 1,251°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Terrebonne is essentially constant during July, remaining within 0.2 kWh of 7.8 kWh throughout.
The highest average daily incident shortwave solar energy during July is 7.9 kWh on July 2.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Terrebonne are 44.353 deg latitude, -121.178 deg longitude, and 2,808 ft elevation.
The topography within 2 miles of Terrebonne contains significant variations in elevation, with a maximum elevation change of 522 feet and an average elevation above sea level of 2,823 feet. Within 10 miles contains significant variations in elevation (2,995 feet). Within 50 miles contains large variations in elevation (9,334 feet).
The area within 2 miles of Terrebonne is covered by cropland (58%) and shrubs (30%), within 10 miles by shrubs (78%) and cropland (17%), and within 50 miles by shrubs (62%) and trees (33%).
This report illustrates the typical weather in Terrebonne 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Terrebonne.
For each station, the records are corrected for the elevation difference between that station and Terrebonne 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 Terrebonne is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Terrebonne and a given station.
The stations contributing to this reconstruction are: Roberts Field-Redmond Municipal Airport (92%, 11 kilometers, south); The Dalles Municipal Airport (2.3%, 141 kilometers, north); McNary Field (2.1%, 157 kilometers, northwest); Aurora State Airport (2.0%, 160 kilometers, northwest); and Portland–Troutdale Airport (1.9%, 165 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .