30YearWeather
London, August 3
London street view during August
Historical Weather Analysis

London Weather on August 3 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

22.3°C

High

13.9°C

Low

20%

Rain

☀️ Feels like 22.7°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 3 is generally a great time to visit London. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 22°C weather. As it's peak season for London, we recommend booking your stay well in advance to secure the best rates.

Currency

GBP

£ British pound

Language

English

Driving

Left side

Connect

London is unfortunately not noted for fr...

Safety

High Safety

GPI: 1.667

London Weather Forecast for August 3

"Mild & Comfortable. Expect average highs of 22.3°C. 20% chance of rain."

What to Wear in London in August

Based on historical data for August 3, London typically experiences temperatures between 13.9°C and 22.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for London

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.3°C

Daytime Peak

Average Low

extreme-cold

13.9°C

Nighttime Low

Feels Like

partly-cloudy-day

22.7°C

☀️ Feels accurate

Rain Chance

rain

20%

Avg 1.2mm if it rains

Cloud Cover

cloudy

63%

Light drizzle

Pressure

pressure

1014.8 hPa

Medium volatility

London Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

94%Highly Predictable

Based on 10 years of data

Temperature
±3.0°CModerate
Precipitation
10-40%Moderate

🎯 This date historically delivers consistent weather 94% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

84Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

17°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United Kingdom

Flight Traffic

High

98/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~2,591

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in London

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:28

☀️ Noon

12:07

🌇 Sunset

19:47

⏱️ Daylight

15h 19m

Golden Hour
Morning04:28 - 05:16
18:59 - 19:47Evening

Wind Speed

wind

17.9 km/h

Gentle breeze

Sunshine

clear-day

10.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

72%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for London

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in London

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

84/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014.8 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
27AQI
Good
PM2.5 Concentration5.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Aug (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, London on August 3 averages 22.3°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 97/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

London Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
30.3°C
Coldest
2021
10.7°C
Rainiest
2025
2.5mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (August 3) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is London Worth Visiting on August 3?

Planning a trip to London on August 3? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 22.3°C with a 20% historical precipitation risk.

✈️ Travel Logistics: Approximately 2,591 landing slots available daily during this period, indicating peak tourist activity.

💉 Health Advisory: 8 vaccinations are recommended for United Kingdom, including COVID-19.

📊 Historical Extremes: The hottest August 3 recorded in the last 30 years saw temperatures hit 30.3°C in 2018, while the coldest dropped to 10.7°C in 2021.

London Weather FAQ