Mirepoix

	Ariège, France
	43.09 ° N 1.09 ° E
	305 m
	Cool temperate moist forest

Dfb

Mild continental humid climate

DClo

Temperate continental climate with mild summer with cold winter

Traditional Koppen classification: Dfb (Mild continental humid climate)

Official definition:

D – temperature of the warmest month is higher than or equal to 10 °C and temperature of the coldest month is less than or equal to -3 °C.
f – precipitation is relatively evenly distributed throughout the year.
b - temperature of each of the four warmest months is higher than 10°C, but the temperature of the warmest month is less than 22 °C

In general it can be said that the D climate type can only be found in the Northern Hemisphere, northwards from the C climate zones, closer to the North Pole. The average temperature during the warmest month is higher than or equal to 10 °C, but in the winter the coldest month has an average value of less than -3 °C. In the winter it often snows and it tends to be quite windy and cold due to the polar and Arctic air masses.

Just like the Dfa type, precipitation is evenly distributed throughout the year. In comparison to the Dfa however, summer is slightly colder and the warmest month does not have average temperature above 22 °C. The highest summer temperatures are still usually between 30 and 35 °C, in the winter it drops to -10 to -35 °C.

Precipitation is higher in the summer, but the difference is not very large. Most of the precipitation in the summer occurs during thunderstorms and so quite often there are longer dry periods between them.

This Dfb category includes for example parts of Northern U.S. (for example Buffalo or Calgary), Southern part of Canada (for example Ottawa), Southern part of Russia (for example Vladivostok), Western part of Central Europe or Southern part of Scandinavia (for example Helsinki).

Modern Trewartha classification: DClo (Temperate continental climate with mild summer with cold winter)

In the Trewartha classification, the category D is like in the Koppen classification, assigned to regions in the temperate zone. The criterion for this type of climate is four to seven months with average temperature of more than 10 °C. In general it is further subdivided into two subtypes: oceanic and continental. These differ in their average temperature of the coldest month.

Temperate climate is characterized by four distinct seasons and there are substantial differences between the temperatures in the summer and in the winter, but the absolute values are not so extreme and the change is gradual.

The continental subtype is typical for regions located more inland and this also means the temperature variation is larger than that in case of the oceanic subtype. The coldest month has an average temperature of less than 0 °C. Summers are usually warmer, while winters colder with snow being quite common.

Continental D climate type can be found for example in parts of Northeast U.S., Central and Eastern Europe and usually these areas are quite densely inhabited.

mild summer: warmest month with average temperature between 10 and 18 °C
cold winter: coldest month with average temperature between -10 and 0 °C

Summary

4.78 °C
4.38 / 13.29

493.0 mm
146 days

74.50 %

5 h 10.1 min/day

Temperature

	Month												Average
	1	2	3	4	5	6	7	8	9	10	11	12	Average
Min Temperature(°C)	-5.2	-3.3	-0.2	3.9	8.3	11.3	12.7	12.6	9.5	5.0	0.9	-3.0	4.4
Avg Temperature(°C)	-3.2	-1.3	0.2	1.9	7.3	10.3	11.7	15.6	12.5	0.9	-3.0	4.4	4.8
Max Temperature (°C)	0.2	3.1	8.4	14.4	19.5	22.5	24.5	24.2	20.1	14.1	6.6	1.9	13.3
Range	5.4	6.4	8.6	10.5	11.2	11.2	11.8	11.6	10.6	9.1	5.7	4.9	8.9

	Max month	Min month	Yearly range
Min Temperature	Jul	Jan	17.9°C
Avg Temperature	Aug	Jan	18.8°C
Max Temperature	Jul	Jan	24.3°C
Temperature range	Jul	Dec	29.7°C

	Month												Average
	1	2	3	4	5	6	7	8	9	10	11	12	Average
Min Temperature(°C)
Avg Temperature(°C)
Max Temperature(°C)

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range
Min Temperature	8.3	-0.2	4.00	8.5	12.7	11.3	12.20	1.4	9.5	0.9	5.13	8.6	-3.0	-5.2	-3.83	2.2
Avg Temperature	7.3	0.2	3.13	7.1	15.6	10.3	12.53	5.3	12.5	-3.0	3.47	15.5	4.4	-3.2	-0.03	7.6
Max Temperature	19.5	8.4	14.10	11.1	24.5	22.5	23.73	2.0	20.1	6.6	13.60	13.5	3.1	0.2	1.73	2.9

Temperature

	Month												Average
	1	2	3	4	5	6	7	8	9	10	11	12	Average
Avg Temperature (°C)	-3.2	-1.3	0.2	1.9	7.3	10.3	11.7	15.6	12.5	0.9	-3.0	4.4	4.8

	Max month	Min month	Yearly range
Avg Temperature	Aug	Jan	18.8°C

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

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range
Avg Temperature	7.3	0.2	3.13	7.1	15.6	10.3	12.53	5.3	12.5	-3.0	3.47	15.5	4.4	-3.2	-0.03	7.6

Humidity

	Month												Average
	1	2	3	4	5	6	7	8	9	10	11	12	Average
Avg Humidity (%)	84.0	81.0	73.0	65.0	67.0	69.0	67.0	68.0	73.0	78.0	84.0	85.0	4.8

	Max month	Min month	Yearly range
Avg Humidity	Dec	Apr	20.0%

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

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range	Max	Min	Average	Range
Avg Humidity	73.0	65.0	68.33	8.0	69.0	67.0	68.00	2.0	84.0	73.0	78.33	11.0	85.0	81.0	83.33	4.0

Precipitation

	Month												Monthly average	Yearly total
	1	2	3	4	5	6	7	8	9	10	11	12	Monthly average	Yearly total
Average monthly precipitation (mm)	25.0	24.0	24.0	32.0	61.0	72.0	64.0	57.0	38.0	31.0	38.0	27.0	41.1	493.0
Days with precipitation	12	11	10	12	13	13	13	12	10	12	13	15	12	146
Days with precipitation ratio (%)	38.7 12,19	39.3 11,17	32.3 10,21	40.0 12,18	41.9 13,18	43.3 13,17	41.9 13,18	38.7 12,19	33.3 10,20	38.7 12,19	43.3 13,17	48.4 15,16	40.1 40.109589041096,59.890410958904

	Max month	Min month	Max Season	Min Season	Yearly range
Average monthly precipitation	Jun	Feb, Mar	Summer	Winter	48.0mm
Days with precipitation	Dec	Mar, Sep	Summer, Winter	Fall	5

	Month
	1	2	3	4	5	6	7	8	9	10	11	12
Average monthly precipitation (mm)
Days with precipitation / month

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Range	Total	Max	Min	Range	Total	Max	Min	Range	Total	Max	Min	Range	Total
Average monthly precipitation (mm)	61.0	24.0	37.0	117.0	72.0	57.0	15.0	193.0	38.0	31.0	7.0	107.0	27.0	24.0	3.0	76.0
Days with precipitation	13	10	3	35	13	12	1	38	10	-3	13	8	15	11	4	38

Precipitation

	Month												Monthly average	Yearly total
	1	2	3	4	5	6	7	8	9	10	11	12	Monthly average	Yearly total
Average monthly precipitation (mm)	25.0	24.0	24.0	32.0	61.0	72.0	64.0	57.0	38.0	31.0	38.0	27.0	41.1	493.0

	Max month	Min month	Max Season	Min Season	Yearly range
Average monthly precipitation	Jun	Feb, Mar	Summer	Winter	48.0mm

	Month
	1	2	3	4	5	6	7	8	9	10	11	12
Average monthly precipitation (mm)

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Range	Total	Max	Min	Range	Total	Max	Min	Range	Total	Max	Min	Range	Total
Average monthly precipitation (mm)	61.0	24.0	37.0	117.0	72.0	57.0	15.0	193.0	38.0	31.0	7.0	107.0	27.0	24.0	3.0	76.0

Sun light / Length of day

	Average daily sunlight	Average day length	Max length of day	Min length of day	Sun light/Length of day
Jan	102 min 1 h 42 min	564 min 9 h 24 min 564,876	592 min 9 h 52 min (31.1.) 592,848	543 min 9 h 3 min (1.1.) 543,897	18.1 % 102,462
Feb	174 min 2 h 54 min	632 min 10 h 32 min 632,808	671 min 11 h 11 min (29.2.) 671,769	595 min 9 h 55 min (1.2.) 595,845	27.6 % 174,458
Mar	284 min 4 h 44 min	718 min 11 h 58 min 718,722	762 min 12 h 42 min (31.3.) 762,678	673 min 11 h 13 min (1.3.) 673,767	39.6 % 284,434
Apr	368 min 6 h 8 min	806 min 13 h 26 min 806,634	845 min 14 h 5 min (30.4.) 845,595	765 min 12 h 45 min (1.4.) 765,675	45.7 % 368,438
May	468 min 7 h 48 min	880 min 14 h 40 min 880,560	908 min 15 h 8 min (31.5.) 908,532	848 min 14 h 8 min (1.5.) 848,592	53.2 % 468,412
Jun	524 min 8 h 44 min	918 min 15 h 18 min 918,522	921 min 15 h 21 min (20.6.) 921,519	909 min 15 h 9 min (1.6.) 909,531	57.1 % 524,394
Jul	530 min 8 h 50 min	898 min 14 h 58 min 898,542	918 min 15 h 18 min (1.7.) 918,522	872 min 14 h 32 min (31.7.) 872,568	59.0 % 530,368
Aug	478 min 7 h 58 min	832 min 13 h 52 min 832,608	869 min 14 h 29 min (1.8.) 869,571	792 min 13 h 12 min (31.8.) 792,648	57.5 % 478,354
Sep	384 min 6 h 24 min	747 min 12 h 27 min 747,693	789 min 13 h 9 min (1.9.) 789,651	705 min 11 h 45 min (30.9.) 705,735	51.4 % 384,363
Oct	232 min 3 h 52 min	660 min 10 h 60 min 660,780	702 min 11 h 42 min (1.10.) 702,738	618 min 10 h 18 min (31.10.) 618,822	35.2 % 232,428
Nov	98 min 1 h 38 min	582 min 9 h 42 min 582,858	616 min 10 h 16 min (1.11.) 616,824	554 min 9 h 14 min (30.11.) 554,886	16.8 % 98,484
Dec	79 min 1 h 19 min	542 min 9 h 2 min 542,898	553 min 9 h 13 min (1.12.) 553,887	539 min 8 h 59 min (21.12.) 539,901	14.6 % 79,463
Year	336 min 5 h 36 min	732 min 12 h 12 min 732,708	921 min 15 h 21 min (19. 6.) 921,519	539 min 8 h 59 min (20. 12.) 539,901	45.9 % 336,396

	Mar, Apr, May				Jun, Jul, Aug				Sep, Oct, Nov				Dec, Jan, Feb
	Max	Min	Average	Sun light/day	Max	Min	Average	Sun light/day	Max	Min	Average	Sun light/day	Max	Min	Average	Sun light/day
Average sunlight (min/day)	468	284	373	46.6% 373,428	530	478	511	57.9% 511,372	384	98	238	35.9% 238,425	174	79	118	20.5% 118,460
Length of day	908	673	801	46.6% 373,428	921	792	882	57.9% 511,372	789	554	663	35.9% 238,425	671	539	578	20.5% 118,460

Length of day

	Average day length	Max length of day	Min length of day
Jan	564 min 9 h 24 min 564,876	592 min 9 h 52 min (Array.1.) 592,848	543 min 9 h 3 min (1.1.) 543,897
Feb	632 min 10 h 32 min 632,808	671 min 11 h 11 min (Array.2.) 671,769	595 min 9 h 55 min (1.2.) 595,845
Mar	718 min 11 h 58 min 718,722	762 min 12 h 42 min (Array.3.) 762,678	673 min 11 h 13 min (1.3.) 673,767
Apr	806 min 13 h 26 min 806,634	845 min 14 h 5 min (Array.4.) 845,595	765 min 12 h 45 min (1.4.) 765,675
May	880 min 14 h 40 min 880,560	908 min 15 h 8 min (Array.5.) 908,532	848 min 14 h 8 min (1.5.) 848,592
Jun	918 min 15 h 18 min 918,522	921 min 15 h 21 min (Array.6.) 921,519	909 min 15 h 9 min (1.6.) 909,531
Jul	898 min 14 h 58 min 898,542	918 min 15 h 18 min (Array.7.) 918,522	872 min 14 h 32 min (31.7.) 872,568
Aug	832 min 13 h 52 min 832,608	869 min 14 h 29 min (Array.8.) 869,571	792 min 13 h 12 min (31.8.) 792,648
Sep	747 min 12 h 27 min 747,693	789 min 13 h 9 min (Array.9.) 789,651	705 min 11 h 45 min (30.9.) 705,735
Oct	660 min 10 h 60 min 660,780	702 min 11 h 42 min (Array.10.) 702,738	618 min 10 h 18 min (31.10.) 618,822
Nov	582 min 9 h 42 min 582,858	616 min 10 h 16 min (Array.11.) 616,824	554 min 9 h 14 min (30.11.) 554,886
Dec	542 min 9 h 2 min 542,898	553 min 9 h 13 min (Array.12.) 553,887	539 min 8 h 59 min (21.12.) 539,901
Year	732 min 12 h 12 min 732,708	921 min 15 h 21 min

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