London
England, UK
51.47 ° N
0.32 ° W
16 ft
Cool temperate moist forest
Cfb Oceanic climate
+
DOlk Temperate oceanic climate with mild summer with cool winter
Traditional Koppen classification: Cfb (Oceanic climate)

Official definition:
  • C – temperature of warmest month greater than or equal to 10 °C and temperature of coldest month less than 18 °C, but higher than -3 °C
  • f – precipitation is relatively evenly distributed throughout the year and do not fulfill classification criteria for s or w type
  • 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

The Cfb climate type is an oceanic type of climate with mild winter and evenly distributed precipitation. Average temperature of all months is less than 22 °C, which is what differentiates it from the Cfa type. Meanwhile at least four months have average temperature of 10 °C or more.

Just like precipitation, also temperatures tend to be relatively constant and differences between day and night are not very big. Precipitation throughout the year are frequent, but not very intense and sometimes even many wetdays in a row can occur. In the winter and in the autumn are common fogs and during the year also thunderstorms.

Winters are mild (temperatures only very rarely drops below 0 °C and if, then only very slightly) and summers nicely warm. Frontal activity causes lot of cloudiness and relatively high humidity in the autumn, winter and spring.

The total annual rainfall ranges usually between 500 and 2500 mm and in the winter it sometimes also snows.

Temperate oceanic climate Cfb can be found for example in the United Kingdom, Western part of France, Germany, on the West coast of Europe, Northern part of Spain, some parts of South America (Southern and Northern tips), in Southeast Australia and New Zealand.


Modern Trewartha classification: DOlk (Temperate oceanic climate with mild summer with cool 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.

In case of the oceanic type, winter is milder than that of the continental type and the temperature of the coldest month usually above 0 °C. The weather conditions are to a large extent influenced by the nearby ocean, which causes smaller temperature variation between the individual seasons. Typical is Western wind and so we often find this type of climate on Western coasts of continents, such as for example in Western Europe or Western coast of the U.S., in latitudes between 40 and 60 ° in America and 40 and 65 ° in Europe. These regions tend to be densely inhabited.

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

Summary

51 °F
45 / 57

23.4 in
164 days

80 %

3 h 59 min/day


Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F) 36.036.037.041.046.052.055.055.052.046.041.037.0 45.0
Avg Temperature(°F) 39.040.044.048.055.060.064.063.059.052.046.041.0 51.0
Max Temperature (°F) 43.045.050.055.063.068.072.070.066.057.050.045.0 57.0
Range 7.09.013.014.017.016.017.015.014.011.09.08.0 12.0


Max month Min month Annual range
Min Temperature Jul, Aug Jan, Feb 19.0°F
Avg Temperature Jul Jan 25.0°F
Max Temperature Jul Jan 29.0°F
Temperature range May, Jul Jan 36.0°F
Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F)
Avg Temperature(°F)
Max Temperature(°F)


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 46.0 37.0 41.33 9.0 55.0 52.0 54.00 3.0 52.0 41.0 46.33 11.0 37.0 36.0 36.33 1.0
Avg Temperature 55.0 44.0 49.00 11.0 64.0 60.0 62.33 4.0 59.0 46.0 52.33 13.0 41.0 39.0 40.00 2.0
Max Temperature 63.0 50.0 56.00 13.0 72.0 68.0 70.00 4.0 66.0 50.0 57.67 16.0 45.0 43.0 44.33 2.0

Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F) 39.040.044.048.055.060.064.063.059.052.046.041.0 51.0


Max month Min month Annual range
Avg Temperature Jul Jan 25.0°F
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F)


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 55.0 44.0 49.00 11.0 64.0 60.0 62.33 4.0 59.0 46.0 52.33 13.0 41.0 39.0 40.00 2.0


Humidity
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%) 88.084.079.073.072.070.072.075.080.085.088.089.0 51.0


Max month Min month Annual range
Avg Humidity Dec Jun 19.0%
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
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 79.0 72.0 74.67 7.0 75.0 70.0 72.33 5.0 88.0 80.0 84.33 8.0 89.0 84.0 87.00 5.0


Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 2.11.61.51.51.81.82.22.32.02.22.51.9 1.9 23.4
Wetdays 171311141311131313141616 14 164
Wetdays ratio (%) 54.8
17,14
46.4
13,15
35.5
11,20
46.7
14,16
41.9
13,18
36.7
11,19
41.9
13,18
41.9
13,18
43.3
13,17
45.2
14,17
53.3
16,14
51.6
16,15
44.9
44.9315,55.0685


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Nov Mar Autumn Spring 1.1in
Wetdays Jan Mar, Jun Autumn Summer 6
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)
Wetdays / 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 (in) 1.8 1.5 0.4 4.8 2.3 1.8 0.5 6.3 2.5 2.0 0.6 6.7 2.1 1.6 0.5 5.6
Wetdays 14 11 3 38 13 11 2 37 52 13 39 111 17 13 4 46

Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 2.11.61.51.51.81.82.22.32.02.22.51.9 1.9 23.4


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Nov Mar Autumn Spring 1.1in
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)


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 (in) 1.8 1.5 0.4 4.8 2.3 1.8 0.5 6.3 2.5 2.0 0.6 6.7 2.1 1.6 0.5 5.6


Sunlight / Day length
+

Max day length Min day length Sunlight/Day length
Jan 81 min
1 h 21 min
506 min
8 h 26 min
506,934
548 min
9 h 8 min
(31.1.)
548,892
475 min
7 h 55 min
(1.1.)
475,965
16.0 %
81,425
Feb 127 min
2 h 7 min
602 min
10 h 2 min
602,838
655 min
10 h 55 min
(29.2.)
655,785
551 min
9 h 11 min
(1.2.)
551,889
21.1 %
127,475
Mar 216 min
3 h 36 min
718 min
11 h 58 min
718,722
777 min
12 h 57 min
(31.3.)
777,663
659 min
10 h 59 min
(1.3.)
659,781
30.1 %
216,502
Apr 294 min
4 h 54 min
837 min
13 h 57 min
837,603
890 min
14 h 50 min
(30.4.)
890,550
781 min
13 h 1 min
(1.4.)
781,659
35.1 %
294,543
May 371 min
6 h 11 min
940 min
15 h 40 min
940,500
978 min
16 h 18 min
(31.5.)
978,462
894 min
14 h 54 min
(1.5.)
894,546
39.5 %
371,569
Jun 412 min
6 h 52 min
992 min
16 h 32 min
992,448
997 min
16 h 37 min
(20.6.)
997,443
980 min
16 h 20 min
(1.6.)
980,460
41.5 %
412,580
Jul 377 min
6 h 17 min
962 min
16 h 2 min
962,478
990 min
16 h 30 min
(1.7.)
990,450
923 min
15 h 23 min
(31.7.)
923,517
39.2 %
377,585
Aug 356 min
5 h 56 min
868 min
14 h 28 min
868,572
920 min
15 h 20 min
(1.8.)
920,520
813 min
13 h 33 min
(31.8.)
813,627
41.0 %
356,512
Sep 274 min
4 h 34 min
753 min
12 h 33 min
753,687
809 min
13 h 29 min
(1.9.)
809,631
696 min
11 h 36 min
(30.9.)
696,744
36.4 %
274,479
Oct 183 min
3 h 3 min
635 min
10 h 35 min
635,805
692 min
11 h 32 min
(1.10.)
692,748
579 min
9 h 39 min
(31.10.)
579,861
28.8 %
183,452
Nov 102 min
1 h 42 min
529 min
8 h 49 min
529,911
575 min
9 h 35 min
(1.11.)
575,865
490 min
8 h 10 min
(30.11.)
490,950
19.3 %
102,427
Dec 75 min
1 h 15 min
474 min
7 h 54 min
474,966
488 min
8 h 8 min
(1.12.)
488,952
469 min
7 h 49 min
(20.12.)
469,971
15.8 %
75,399
Year 259 min
4 h 19 min
735 min
12 h 15 min
735,705
997 min
16 h 37 min
(20. 6.)
997,443
469 min
7 h 49 min
(20. 12.)
469,971
35.2 %
259,476



Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day
(min/day) 371 216 294 35.3%
294,538
412 356 382 40.6%
382,558
274 102 186 29.2%
186,452
127 75 94 17.9%
94,431
Day length 978 659 831 997 813 940 809 490 639 655 469 526

Day length
+

Max day length Min day length
Jan 506 min
8 h 26 min
506,934
548 min
9 h 8 min
(Array.1.)
548,892
475 min
7 h 55 min
(1.1.)
475,965
Feb 602 min
10 h 2 min
602,838
655 min
10 h 55 min
(Array.2.)
655,785
551 min
9 h 11 min
(1.2.)
551,889
Mar 718 min
11 h 58 min
718,722
777 min
12 h 57 min
(Array.3.)
777,663
659 min
10 h 59 min
(1.3.)
659,781
Apr 837 min
13 h 57 min
837,603
890 min
14 h 50 min
(Array.4.)
890,550
781 min
13 h 1 min
(1.4.)
781,659
May 940 min
15 h 40 min
940,500
978 min
16 h 18 min
(Array.5.)
978,462
894 min
14 h 54 min
(1.5.)
894,546
Jun 992 min
16 h 32 min
992,448
997 min
16 h 37 min
(Array.6.)
997,443
980 min
16 h 20 min
(1.6.)
980,460
Jul 962 min
16 h 2 min
962,478
990 min
16 h 30 min
(Array.7.)
990,450
923 min
15 h 23 min
(31.7.)
923,517
Aug 868 min
14 h 28 min
868,572
920 min
15 h 20 min
(Array.8.)
920,520
813 min
13 h 33 min
(31.8.)
813,627
Sep 753 min
12 h 33 min
753,687
809 min
13 h 29 min
(Array.9.)
809,631
696 min
11 h 36 min
(30.9.)
696,744
Oct 635 min
10 h 35 min
635,805
692 min
11 h 32 min
(Array.10.)
692,748
579 min
9 h 39 min
(31.10.)
579,861
Nov 529 min
8 h 49 min
529,911
575 min
9 h 35 min
(Array.11.)
575,865
490 min
8 h 10 min
(30.11.)
490,950
Dec 474 min
7 h 54 min
474,966
488 min
8 h 8 min
(Array.12.)
488,952
469 min
7 h 49 min
(20.12.)
469,971
Year 735 min
12 h 15 min
735,705
997 min
16 h 37 min
(21. 6.)
997,443
469 min
7 h 49 min
(21. 12.)
469,971



Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Max Min Average Max Min Average Max Min Average
Day length 978 659 831 997 813 940 809 490 639 655 469 526

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