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
July
Weather in July
Temperature
The arrival of July signals a slight increase in the average high-temperature, moving from a warm 25.9°C (78.6°F) in June to a hot 30.3°C (86.5°F). July nights observe an average temperature dip to a moderately hot 23.4°C (74.1°F).Heat index
For July, the heat index is appraised at a torrid 37°C (98.6°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Heat index values are typically calculated for conditions of shade and a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The months with the highest humidity are June and July, with an average relative humidity of 74%.Rainfall
In Niiza, in July, it is raining for 18.7 days, with typically 95mm (3.74") of accumulated precipitation. In Niiza, during the entire year, the rain falls for 161.9 days and collects up to 857mm (33.74") of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
In Niiza, Japan, the average length of the day in July is 14h and 19min.On the first day of the month, sunrise is at 04:29 and sunset at 19:02. On the last day of July, in Niiza, sunrise is at 04:48 and sunset at 18:47 JST.
Sunshine
The average sunshine in July is 9.3h.UV index
July is the month with the highest UV index in Niiza, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In July, a daily UV index of 7 turns into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Niiza in July?
What are the most humid months in Niiza?
What is the average humidity in July in Niiza?
How many days does it rain in July in Niiza?
When it does not snow in Niiza?
What is the average length of the day in July in Niiza?
What time are sunrise and sunset in July in Niiza?
How many hours of sunshine does Niiza have in July?
When is the highest UV index in Niiza?
What is the UV index intensity in July in Niiza?
Average temperature in July
Niiza, Japan
- Average high temperature in July: 30.3°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in July: 23.4°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in July
Niiza, Japan
- Average pressure in July: 1009.8mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in July
Niiza, Japan
- Average wind speed in July: 10.3km/h
The windiest month (with the highest average wind speed) is April (12.9km/h).
The calmest month (with the lowest average wind speed) is November (10.1km/h).
Average humidity in July
Niiza, Japan
- Average humidity in July: 74%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).
Average rainfall in July
Niiza, Japan
- Average rainfall in July: 95mm
The wettest month (with the highest rainfall) is October (121mm).
The driest months (with the least rainfall) are February and December (34mm).
Average rainfall days in July
Niiza, Japan
- Average rainfall days in July: 18.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in July
Niiza, Japan
- Average snowfall in July: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in July
Niiza, Japan
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in July /
Average sunshine in July
Niiza, 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 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in July
Niiza, Japan
- Average sunshine days in July: 9.4 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in July
Niiza, Japan
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in July
Niiza, Japan
- Average cloud cover in July: 41
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 26).
Average visibility in July
Niiza, Japan
- Average visibility in July: 9km
The months with the highest visibility are January, February, March, May, August, October, November and December (10km).
The months with the lowest visibility are April, June, July and September (9km).
