Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
With the onset of July, Roppongi observes a minor temperature ascent, with the average high-temperature adjusting from June's moderately hot 24.8°C (76.6°F) to a still warm 28.8°C (83.8°F). Roppongi cools down to an average low-temperature of 23.2°C (73.8°F) throughout the month of July.Heat index
During July, the heat index is evaluated at a hot 34°C (93.2°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
July is the most humid month in Roppongi, with an average relative humidity of 79%.Rainfall
In Roppongi, Japan, in July, during 16.1 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 125.3 rainfall days, and 359mm (14.13") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Roppongi.Daylight
The average length of the day in July in Roppongi, Japan, is 14h and 19min.On the first day of the month, sunrise is at 04:29 and sunset at 19:00. On the last day of July, sunrise is at 04:48 and sunset at 18:46 JST.
Sunshine
The average sunshine in July in Roppongi is 9.4h.UV index
July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In July, the maximum UV index of 7 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is July in Roppongi?
What is the most humid month in Roppongi?
What is the average humidity in July in Roppongi?
How much does it rain in Roppongi in July?
When it does not snow in Roppongi?
How many hours of daylight does Roppongi have in July?
What time are sunrise and sunset in July in Roppongi?
How many hours of sunshine does Roppongi have in July?
When is the highest UV index in Roppongi?
How high is the UV index in July in Roppongi?
Average temperature in July
Roppongi, Japan
- Average high temperature in July: 28.8°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in July: 23.2°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in July
Roppongi, Japan
- Average pressure in July: 1009.8mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in July
Roppongi, Japan
- Average wind speed in July: 13.4km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity in July
Roppongi, Japan
- Average humidity in July: 79%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in July
Roppongi, Japan
- Average rainfall in July: 43mm
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in July
Roppongi, Japan
- Average rainfall days in July: 16.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in July
Roppongi, Japan
- Average snowfall in July: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in July
Roppongi, Japan
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Roppongi, Japan
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in July
Roppongi, Japan
- Average sunshine days in July: 12 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in July
Roppongi, Japan
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in July
Roppongi, Japan
- Average cloud cover in July: 40
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in July
Roppongi, Japan
- Average visibility in July: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Roppongi, Japan
Weather forecast for your location
2. Allow the app to use your location
