Climate and Weather Charts
London Heathrow Airport (LHR)
(London, England)
London features a changeable, temperate climate and typically English-style weather. A vast and expansive capital city, temperatures in London tend to be slightly higher than nearby areas of the country, with its high concentration of large buildings retaining much of the daytime sunshine, especially during the summer season.
Sunshine in London is in good supply during the months of June, July, August and September, although the climate can be a little unpredictable, even at this time of the year. Occasional summer showers should be expected, often being quick to clear. Temperatures during the summer months in London regularly exceed 25°C / 77°F, and begin to fall as autumn approaches.
The winter months in London tend to be the wettest, although the city's overall average rainfall is considered low. Spring is quick to arrive in London, with temperatures and daylight hours increasing from March onwards. The average annual daytime temperatures in London are around 14°C / 57°F.
Climate Description: Changeable, temperate climate
London Heathrow Airport (LHR) Location: Northern Hemisphere, England
Annual High / Low Daytime Temperatures at London: 22°C / 7°C (72°F / 45°F)
Average Daily January Temperature: 7°C / 45°F
Average Daily June Temperature: 19°C / 66°F
Annual Rainfall / Precipication London at Airport (LHR): 593 mm / 23 inches
London Heathrow Airport (LHR):
Climate and Weather Charts
Temperature Chart |
| Temperatures |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Average |
Maximum
Celcius (°C) |
7 |
7 |
9 |
12 |
16 |
19 |
22 |
21 |
18 |
15 |
10 |
7 |
14 |
Minimum
Celcius (°C) |
0 |
0 |
1 |
3 |
6 |
9 |
11 |
11 |
8 |
6 |
3 |
1 |
5 |
Maximum
Fahrenheit (°F) |
45 |
45 |
48 |
54 |
61 |
66 |
72 |
70 |
64 |
59 |
50 |
45 |
57 |
Minimum
Fahrenheit (°F) |
32 |
32 |
34 |
37 |
43 |
48 |
52 |
52 |
46 |
43 |
37 |
34 |
41 |
Rainfall / Precipitation Chart |
| Rainfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Rainfall (mm) |
61 |
36 |
51 |
43 |
46 |
46 |
46 |
43 |
43 |
74 |
46 |
58 |
593 |
| Rainfall (inches) |
2.4 |
1.4 |
2.0 |
1.7 |
1.8 |
1.8 |
1.8 |
1.7 |
1.7 |
2.9 |
1.8 |
2.3 |
23 |
Seasonal Chart |
| Seasons |
Average
Temp
(Max °C) |
Average
Temp
(Min °C) |
Average
Temp
(Max °F) |
Average
Temp
(Min °F) |
Total
Rainfall
(mm) |
Total
Rainfall
(inches) |
| Mar to May (Spring) |
12 |
3 |
54 |
38 |
140 |
6 |
| Jun to Aug (Summer) |
21 |
10 |
69 |
51 |
135 |
5 |
| Sept to Nov (Autumn / Fall) |
14 |
6 |
58 |
42 |
163 |
6 |
| Dec to Feb (Winter) |
7 |
0 |
45 |
33 |
155 |
6 |
