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The climate of Casper (Wyoming - United States of America)
Casper is a large city located centrally in the state of Wyoming. Casper is located in Natrona County on the banks of the North Platte River. The city is located at the foot of the Casper Mountain in the northern part of the Laramie Mountain Range. Casper is a good example of a boom town. Many of these cities could be found in this region at the beginning of the 1900s. After the Salt Creek Oil Field was discovered population figures rapidly increased. Nowadays uranium is mined here as well as coal.
Casper has a cold steppe climate influenced by the Laramie Mountain Range. Because the city is located on the leeward side temperatures are slightly higher here than in most parts of Wyoming. During the summer temperatures may reach tropical values. However, during the evening temperatures rapidly drop. Winters are cold. During the winter longer periods with subzero temperatures during the night are not uncommon. Average annual precipitation figures are low.

 

Climate information
The figures below are based on long term weather and climate records. They are an average for Casper:

average
 maximum
temperature (įC)

average
minimum

temperature (įC)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (įC)
January 1 -11 6 7 n/a
February 4 -9 7 8 n/a
March 8 -6 8 9 n/a
April 14 -1 9 10 n/a
May 20 3 9 11 n/a
June 26 8 11 9 n/a
July 31 12 11 9 n/a
August 30 10 10 8 n/a
September 24 5 9 7 n/a
October 17 0 7 6 n/a
November 8 -5 6 7 n/a
December 2 -10 5 8 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but donít present a general impression of the climate and the eventual weather circumstances within a certain period. The figures donít always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. ďMore climate infoĒ is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, itís up to the reader to use it to itís benefit.

 

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