10 Day Weather Denver

Denver's July weather preview: The hottest and stormiest month

Change is of course the one constant in Denver's weather but come July, things actually get pretty consistent. The standard formula for a day in July is a sunning morning, clouds developing in the late morning and early afternoon. Come mid-afternoon, thunderstorms are rolling off of the foothills and into the metro area and the eastern plains. These storms do occasionally reach severe status containing hail, gusty winds and heavy downpours of rain.

In fact, the worst hail storm on record in Denver history hit western sections of the city on July 11th, 1990. Baseball and softball sized hail from this ferocious storm caused millions of dollars worth of property damage.

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July is the most stormy month of the year in fact with thunderstorms occurring on average 11 days per month - or once every three days. These slow moving storms are one of the reasons July is Denver's second rainiest month with an average of 2.16 inches of rain (second only to May). However, these storms are also often very localized and cause widely varying precipitation amounts across the metro area. It is not unusual for one area of down to be deluged while others remain entirely dry. With these severe storms, flash flooding remains a possibility.

Being our hottest month, July daytime temps average 88 degrees and is when we typically see the most consecutive days above 90 degrees. 15 times streaks of 10 or more consecutive days above 90 degrees have been recorded entirely in July or at least partially starting in June or ending in August.

The longest 90 degree streak on record occurred just three years ago in 2008. 24 days straight from July 13th to August 5th saw the 90 degree mark hit or broken. Despite that, the month ended as only the 3rd warmest July on record. It was also the 3rd driest.

The second longest 90 degree streak was 18 days long and actually occurred twice - once in 1901 from July 6th through July 23rd and again in 1874 from July 1st to July 18th. In 2000, 17 consecutive 90 degree days occurred from June 29th through July 15th.

Many of us will hearken back to July 2005 which was a record heat setting month. Six record high temperatures were set, all in the 100's. In fact on July 20th the mercury soared to 105 degrees tying the all time Denver high temperature set on August 8th 1878 and breaking the 102 record for July 20th. Other records were 102 degrees on the 16th, 101 on the 19th, 105 on the 20th, 104 on the 21st, 102 on the 22nd, 102 on the 23rd, and 101 degrees on the 30th. July 2005 became the 2nd hottest July on record and also the 2nd hottest Denver month ever. In all there were 25 days registering 90 degrees or higher which ties for the 3rd most ever with 1963.

10 Day Weather Denver - News


Denver's July weather preview: The hottest and stormiest month

By the time the month ended Denver had recorded 3.70 inches of precipitation, far above the normal of 2.16 inches. This fell just 0.01 inch short of making the 'top 10' wettest list for Julys. During the month 13 days saw measureable precipitation of



Scorching hot weather set to continue across much of US

Colorado's Arapahoe Basin Ski Area drew more than 1500 skiers and snowboarders Saturday — about half as many people as a regular-season weekend day, said spokeswoman Leigh Hierholzer. The resort, located 70 miles west of Denver, last offered skiing on



USA: Balmy weather turns July 4 into skier's paradise

Colorado's Arapahoe Basin Ski Area drew more than 1500 skiers and snowboarders on Saturday - about half as many people as a regular-season weekend day, said spokeswoman Leigh Hierholzer. The resort, located 113 kilometres west of Denver, last offered



Steady July weather prone to rain, storms

July is the stormiest month of year in Denver, with storms occurring 11 days out of the month, on average. Last July, 3.7 inches of rain fell in Denver, which almost broke into the top 10 wettest Julys. This total was 1.54 inches above normal for the



Scientifically Speaking, 7/3

Register: 303-973-3959. Native plant tours The Denver Botanic Gardens, 1007 York St., offers "Rocky Mountain Native Plant Tours" from May through October. The tours can be schedules for groups of 10 or more with three-weeks advance notice.




June 19 to June 25 – This Week in Denver Weather History ...

Heavy rain, flooding, lightning, tornadoes and hail are not at all uncommon this time of year and we see plenty of those types of events in our look back at this week in Denver weather history. Probably one of the most notable events occurred 10 years ago when a thunderstorms with large hail ripped through Denver International Airport causing $10 million in property damage and damaged dozens of airplanes.

From the National Weather Service:

19

In 1874…during the afternoon… Large columns of smoke from extensive fires in the mountain forests moved over the city from the west and southwest.

In 1875…while no precipitation was measured in the city… Rainfall over the palmer divide caused Cherry Creek to rise to the highest level in 10 years.

In 1977…hail up to 2 inch diameter damaged two patrol cars in Castle Rock.

In 1983 golf ball size hail fell just north of Bennett.

In 1990…lightning from a thunderstorm struck the roof of a house in south Boulder. Residents of the house were able to extinguish the ensuing fire with a garden hose…but not before several shingles had burned.

In 1992…thunderstorms produced hail up to 2 inches in diameter in central Douglas County near Castle Rock. Hail was 3 inches deep on I-25 south of Castle Rock. A funnel cloud was sighted near Parker.

In 1997…a 66-year-old man was knocked unconscious by a bolt of lightning while he was golfing at the eagle country club in Broomfield.

In 2000…dry microburst winds gusting to near 70 mph were reported across southeast Boulder and northern Jefferson counties. Peak wind gusts included: 68 mph at the national wind technology center…67 mph at Jefferson County airport… And 65 mph in Broomfield.

In 2001…severe thunderstorms produced large hail in the foothills southwest of Denver. Hail as large as 1 3/4 inch in diameter fell near conifer and Bailey.

In 2002…lightning damaged the Evergreen fire protection district radio repeater. One microwave transmitter…the main fire channel transmitter…and two solar panel controllers were destroyed. Lightning struck a garage and caused a small fire. Two vehicles parked in the garage were damaged. Hail to 3/4 inch in diameter fell near Castle Rock.

In 2004…severe thunderstorms produced hail to 3/4 inch in diameter near Castle Rock…Larkspur… And Golden.


10 Day Weather Denver - Bookshelf

International Symposium on Hydrometeorology, June 13-17, 1982, Denver, Colorado

International Symposium on Hydrometeorology, June 13-17, 1982, Denver, Colorado

The impact of temperature during the coming 10-day period is estimated by given weather types and corresponding monthly mean temperature departures from ...

The Philadelphia medical journal

The Philadelphia medical journal

I am indebted for the data of the appended chart to Dr. Phillips of the Weather- Bureau and to an article by Dr. Samuel Fisk, of Denver, Col., ...

Monthly weather review

Monthly weather review

Summit, 38; Cisco, 22; Boca, 15; Truckee, 14; Emigrant Cap, 12; Alta, 10. Colorado. — Pike's Peak, 32.6; Denver, 31. Connecticut. — North Colebrook, 3 to 4. ...

Weather folk-lore and local weather signs ...

Weather folk-lore and local weather signs ...

DENVER, COLO. In all seasons precipitation is generally preceded several hours ... During fair weather, which has prevailed for several days, a sudden rise, ...

The complete idiot's guide to weather

The complete idiot's guide to weather

Generally Denver's climate is close to ideal for many people. There are enough stormy days to keep the weather interesting. The winters are manageable, ...

Casual Note Directory


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