The Warmest months are of that in July and August. The Coldest months are that of January and February.

Best time to travel would be either in spring (May and June) or in autumn (September and October). The temperatures never hover lower than 32°F (0°C). The climate conditions of London also somewhat show a discrepancy by season. The warm Gulf Stream waters keep is considerably responsible for keeping the island warm in the winter and quite pleasant in the summers. London's climate is among the mildest in England, with moist but mild winters and moderate summers. Yet London's weather is nothing if not inconsistent as such you can expect clouds and rain even in high summer. Temperatures in July and August average around 64°F but can sporadically soar to 85°F or more. In spring and autumn the temperatures averages around 50-58°F. In winter the temperature hovers below 42°F. The city of London rarely experiences freezing. That may seem gentle, but the dampness can often make it feel two or three times as cold.

London             Jan    Feb   Mar   Apr   May   Jun  Jul  Aug  Sep  Oct  Nov  Dec
Rainfall (mm)      61   36     50     42     45      46    46  44     43   73    45     59
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
Min Temp (°C)    2      2       3.8    6       9       12     14  13     11    9      5      3
Max Temp (°C)   7     8        10    13     17       20     22  22    19    15    10     8
Min Temp (°F)   36    36       39    42     48       53     57  56    52     48    41   38
Max Temp (°F)   45   46       50    55     63       68     72  71     66     59   51   47