0.00 ° S
0.00 ° W
0 ft
BWk Cold desert climate
+
FIee Polar ice cap climate with freezing summer with freezing winter
Traditional Koppen classification: BWk (Cold desert climate)

Official definition:
  • B – 70 % or more of the total annual rainfall is during the summer half of the year and r (r = average total annual precipitation in mm) is less than 20t + 280 (t = average annual temperature in °C), or 70 % or more of total annual precipitation is during the winter half of the year and r is less than 20t, or no half of the year has less than 70 % of total annual rainfall and r less than 20t + 140. Summer half of the year in the Northern hemisphere is from April to September, on the Southern hemisphere from October to March.
  • W - r is less than the upper limit for B type classification parameter
  • k - t is lower than 18 °C

The desert climate is characterized by extremely small rainfall. In general it includes areas, which have such little precipitation, that there is hardly any vegetation at all.

The total annual precipitation is at most 250 mm, but quite often much less and regions with no rainfall during the entire year are not an exception. In specific cases this climate type is also assigned to places with more than 250 mm of rainfall annually, but where more water is lost by evapotranspiration than falls with rain (for example some parts in Arizona).

Although the climate type has the word “cold” in it, this term is rather relative. Summers can still be very and sometimes extremely hot (temperatures, however, do not reach such high values as in the case of hot desert climate type BWh). What is different from the BWh type is the occurrence of also colder periods, sometimes extremely cold with temperatures well below freezing point.

Basically all regions with this climate type are found in Asia . Usually in the lee of high mountain ranges, often at high altitudes. The most well-known region with this climate type is probably the Asian Gobi desert in Mongolia. Summers are very hot, while winters extremely cold, the annual temperature range is very high and the same is true for the day/night temperature differences as well. Apart from central Asia (Mongolia, China, India), the BWk climate is also assigned to some parts in Western USA and South America.


Modern Trewartha classification: FIee (Polar ice cap climate with freezing summer with freezing winter)

Polar climate includes the coldest places on Earth. The general criterion for this classification is average monthly temperature of all months less than 10 °C. In Trewartha classification this type is further subdivided into two subtypes – polar tundra climate and ice cap climate.

Polar regions are characterized by absence of the summer as we know it. Each month has an average temperature of less than 10 °C, in case of the ice-cap subtype, it is even less than 0 °C.

Ice-cap polar climate is characterized by very low temperatures all year round and many places lie behind the arctic circle, meaning there is the polar day and polar night. Average temperature in the entire year is below freezing point and the areas are permanently covered with snow and ice. Only very few animal species live here, which rely on gathering food from the see (for example polar bears or penguins). No plants can grow here.

Ice cap polar climate includes areas in most of Antarctica and inland Greenland. The absolute minimum temperature recorded on Earth was recorded in the polar station in Vostok, Antarctica (-89.2 °C). Satellite images however suggest that in some parts of this coldest continent, the temperatures are during specific weather conditions even lower.

  • freezing summer: warmest month with average temperature below -40 °C
  • freezing winter: coldest month with average temperature below -40 °C

Summary

32 °F
32 / 32

0.0 in
0 days


Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F) 32.032.032.032.032.032.032.032.032.032.032.032.0 32.0
Avg Temperature(°F) 32.032.032.032.032.032.032.032.032.032.032.032.0 32.0
Max Temperature (°F) 32.032.032.032.032.032.032.032.032.032.032.032.0 32.0
Range 0.00.00.00.00.00.00.00.00.00.00.00.0 0.0


Max month Min month Annual range
Min Temperature 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0°F
Avg Temperature 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0°F
Max Temperature 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0°F
Temperature range 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0°F
Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F)
Avg Temperature(°F)
Max Temperature(°F)





Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Min Temperature 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0
Avg Temperature 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0
Max Temperature 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0

Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F) 32.032.032.032.032.032.032.032.032.032.032.032.0 32.0


Max month Min month Annual range
Avg Temperature 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0°F
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F)





Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Temperature 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0


Humidity
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%) 0.00.00.00.00.00.00.00.00.00.00.00.0 32.0


Max month Min month Annual range
Avg Humidity 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0.0%
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%)





Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Humidity 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.00 0.0


Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 0.00.00.00.00.00.00.00.00.00.00.00.0 0.0 0.0
Wetdays 000000000000 0 0
Wetdays ratio (%) 0.0
,31
0.0
,28
0.0
,31
0.0
,30
0.0
,31
0.0
,30
0.0
,31
0.0
,31
0.0
,30
0.0
,31
0.0
,30
0.0
,31
0.0
0,100


Max month Min month Max Season Min Season Annual range
Average monthly precipitation 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec Spring, Summer, Autumn, Winter Spring, Summer, Autumn, Winter 0.0in
Wetdays 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec Spring, Summer, Autumn, Winter Spring, Summer, Autumn, Winter 0
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)
Wetdays / month





Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wetdays 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 0.00.00.00.00.00.00.00.00.00.00.00.0 0.0 0.0


Max month Min month Max Season Min Season Annual range
Average monthly precipitation 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 0, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec Spring, Summer, Autumn, Winter Spring, Summer, Autumn, Winter 0.0in
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)





Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0


Sunlight / Day length
+

Max day length Min day length Sunlight/Day length
Jan min
0 h 0 min
727 min
12 h 7 min
727,713
727 min
12 h 7 min
(1.1.)
727,713
726 min
12 h 6 min
(29.1.)
726,714
0.0 %
,727
Feb min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(2.2.)
726,714
726 min
12 h 6 min
(29.2.)
726,714
0.0 %
,726
Mar min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(1.3.)
726,714
726 min
12 h 6 min
(17.3.)
726,714
0.0 %
,726
Apr min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(30.4.)
726,714
726 min
12 h 6 min
(1.4.)
726,714
0.0 %
,726
May min
0 h 0 min
726 min
12 h 6 min
726,714
727 min
12 h 7 min
(31.5.)
727,713
726 min
12 h 6 min
(1.5.)
726,714
0.0 %
,726
Jun min
0 h 0 min
727 min
12 h 7 min
727,713
727 min
12 h 7 min
(12.6.)
727,713
727 min
12 h 7 min
(1.6.)
727,713
0.0 %
,727
Jul min
0 h 0 min
727 min
12 h 7 min
727,713
727 min
12 h 7 min
(1.7.)
727,713
726 min
12 h 6 min
(30.7.)
726,714
0.0 %
,727
Aug min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(1.8.)
726,714
726 min
12 h 6 min
(28.8.)
726,714
0.0 %
,726
Sep min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(1.9.)
726,714
726 min
12 h 6 min
(16.9.)
726,714
0.0 %
,726
Oct min
0 h 0 min
726 min
12 h 6 min
726,714
726 min
12 h 6 min
(30.10.)
726,714
726 min
12 h 6 min
(1.10.)
726,714
0.0 %
,726
Nov min
0 h 0 min
727 min
12 h 7 min
727,713
727 min
12 h 7 min
(30.11.)
727,713
726 min
12 h 6 min
(1.11.)
726,714
0.0 %
,727
Dec min
0 h 0 min
727 min
12 h 7 min
727,713
727 min
12 h 7 min
(19.12.)
727,713
727 min
12 h 7 min
(1.12.)
727,713
0.0 %
,727
Year 0 min
0 h 0 min
726 min
12 h 6 min
726,714
727 min
12 h 7 min
(19. 12.)
727,713
726 min
12 h 6 min
(16. 9.)
726,714
0.0 %
0,726






Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day
(min/day) 0 0 0 0.0%
0,0
0 0 0 0.0%
0,0
0 0 0 0.0%
0,0
0 0 0 0.0%
0,0
Day length 0 0 0 0 0 0 0 0 0 0 0 0

Day length
+

Max day length Min day length
Jan 727 min
12 h 7 min
727,713
727 min
12 h 7 min
(Array.1.)
727,713
726 min
12 h 6 min
(29.1.)
726,714
Feb 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.2.)
726,714
726 min
12 h 6 min
(29.2.)
726,714
Mar 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.3.)
726,714
726 min
12 h 6 min
(17.3.)
726,714
Apr 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.4.)
726,714
726 min
12 h 6 min
(1.4.)
726,714
May 726 min
12 h 6 min
726,714
727 min
12 h 7 min
(Array.5.)
727,713
726 min
12 h 6 min
(1.5.)
726,714
Jun 727 min
12 h 7 min
727,713
727 min
12 h 7 min
(Array.6.)
727,713
727 min
12 h 7 min
(1.6.)
727,713
Jul 727 min
12 h 7 min
727,713
727 min
12 h 7 min
(Array.7.)
727,713
726 min
12 h 6 min
(30.7.)
726,714
Aug 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.8.)
726,714
726 min
12 h 6 min
(28.8.)
726,714
Sep 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.9.)
726,714
726 min
12 h 6 min
(16.9.)
726,714
Oct 726 min
12 h 6 min
726,714
726 min
12 h 6 min
(Array.10.)
726,714
726 min
12 h 6 min
(1.10.)
726,714
Nov 727 min
12 h 7 min
727,713
727 min
12 h 7 min
(Array.11.)
727,713
726 min
12 h 6 min
(1.11.)
726,714
Dec 727 min
12 h 7 min
727,713
727 min
12 h 7 min
(Array.12.)
727,713
727 min
12 h 7 min
(1.12.)
727,713
Year 726 min
12 h 6 min
726,714
727 min
12 h 7 min
(20. 12.)
727,713
726 min
12 h 6 min
(17. 9.)
726,714






Max Min Average Max Min Average Max Min Average Max Min Average
Day length 0 0 0 0 0 0 0 0 0 0 0 0

Units






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