Peak in August
Coolest in January
Heavy in October
Peak in dry season
London Monthly Weather Guide
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January
February
March
April
May
June
July
August
September
October
November
December
Essential Travel Info for London
Currency
GBP
£ British pound
Language
English
Driving
Left side
Connect
London is unfortunately not noted for fr...
Safety
High Safety
GPI: 1.667
Best Time to Visit London
Location, climate overview & historical trends
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📍 51.5074° N, 0.1278° W
Open in Google MapsLondon is a prominent destination in United Kingdom.
Located at 51.51°N latitude,London experiences a temperate climate with four distinct seasons.
Based on 30 years of data, August is the warmest month (avg. 22°C), while January is the coolest. October sees the most rain (28% chance), making August the driest month.
Historical Climate Trend
30-Year Analysis+1.82°C
Total over 30 years
+0.63°C
Per decade
Linear regression analysis of historical maximum temperatures for London, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)May, June, July
Best months to visit
15°C
Avg High
Based on 30 years of NASA satellite data,London receives approximately 444mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
13.9°
2024 Avg
15.6°
2040 Proj
16°
+0.63°C
per decade (observed)
+0.25°C
per decade (CMIP6)
🌡️ London has warmed by +1.8°C since 1995. By 2040, an additional +0.4°C is projected (based on CMIP6 rate of 0.253°C/decade), for a total of +2.2°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for London
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Airport-to-Airport Logistics
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
Extremely busy airport
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slots per day
Peak
Oct
Low
Jan
Monthly Traffic Distribution
Key Connections
Health & Safety Advisory
CDC travel health recommendations
COVID-19
All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.
Hepatitis A
Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.
Hepatitis B
Recommended for unvaccinated travelers younger than 60 years old traveling to the United Kingdom. Unvaccinated travelers 60 years and older may get vaccinated before traveling to the United Kingdom.
Measles
Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.
Polio
In the United Kingdom poliovirus has been identified in the past year.Travelers to the United Kingdom are at increased risk of exposure to poliovirus.Vaccine recommendations: Adults traveling to the United Kingdom who received a complete polio vaccination series as children may receive a single lifetime booster dose of inactivated polio vaccine; travelers who are unvaccinated or not fully vaccinated should receive a complete polio vaccination series before travel. Children who are not fully vaccinated will be considered for anaccelerated vaccination schedule.
Rabies
Dogs infected with rabies are not commonly found in the United Kingdom.If rabies exposures occur while in the United Kingdom, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.
+2 more
Source: CDC Travelers' Health
View Complete Health GuideLondon Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 7°C | 23% | Neutral |
| February | 9°C | 24% | Neutral |
| March | 11°C | 21% | Neutral |
| April | 14°C | 20% | Neutral |
| May | 17°C | 22% | 😊 Pleasant |
| June | 21°C | 21% | ✨ Perfect |
| July | 22°C | 21% | ✨ Perfect |
| August | 22°C | 19% | ✨ Perfect |
| September | 19°C | 21% | 😊 Pleasant |
| October | 15°C | 28% | 😊 Pleasant |
| November | 11°C | 26% | Neutral |
| December | 8°C | 26% | Neutral |
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Compare weather conditions with nearby destinations for your trip planning
Compare London Weather vs Popular Destinations
Similar Climate Destinations
Discover destinations with weather similar to London
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These destinations share similar weather patterns with London. Perfect alternatives if you're looking for the same climate in a different location.
London Weather FAQ
When is the best time to visit London?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, May, June, July are usually great choices.
When is the hottest month in London?
August is historically the hottest month in London with average highs of 22°C.
When does it rain the most in London?
October typically sees the highest probability of rain (28%).
Is London expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.