Temperatures in July
It's hot in July in Greenwich with an average temperature of 33°C. Temperatures this month range from a low of 26°C to a high of 36°C. At night, you can expect temperatures between 14°C and 20°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Greenwich in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in Greenwich with hot temperatures, averaging around 35°C during the day and nights close to 19°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-July
By mid-July, the average daytime temperature drops to around 33°C, with nights close to 18°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of July
By the end of July, the average daytime temperature in Greenwich will be around 33°C, with nights close to 18°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
Discover cheap trips to Greenwich 
Precipitation in July
In July, there is an average of 28 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the South.
The precipitation chance averages 11% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for Greenwich. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Greenwich in July |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 23°C | |
 High Temp |
36°C | 27°C | |
| Low Temp |
26°C | 21°C | |
 Total Precipitation |
28 mm | 52 mm | |
| Rainy Days |
4 days | 9 days | |
June
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit Greenwich?
July is a great month to be in Greenwich for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Greenwich in July
With 46°C, Greenwich hit the highest temperature in the last 10 years in July 2021. The lowest daytime temperature in this month was 15°C in 2015. The extreme night temperatures ranged from a low of 6°C to a high of 30°C.
Check out the climate of Greenwich for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Greenwich and see what our partners have for you.
Daily Temperature in July in Greenwich
This chart shows the average daily temperatures, both day and night, for each day in July in Greenwich, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Greenwich
The chart below shows the average daily precipitation in July for Greenwich, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 4 days of rain in Greenwich.
Daily UV Index in July in Greenwich
This chart shows the average daily UV index in July in Greenwich, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Greenwich Over the Years
This chart shows the average temperature in July in Greenwich, measured in degrees Celsius, over the past years.
Total Precipitation in July in Greenwich Over the Years
This chart shows the average precipitation in July in Greenwich, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Greenwich
Click on a specific day in July for detailed info on the typical weather on that day in Greenwich. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Greenwich
Have you been to Greenwich in July?
Share your weather experience in July in Greenwich.
Average Weather in Greenwich by Month
Click on a month below to see detailed weather info for Greenwich. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Greenwich for all months at once
