August weather forecastKoshigoe, Japan
August
Weather in August
August, the last month of the summer in Koshigoe, is another warm month, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 25.2°C (77.4°F).Temperature
The warmest period is August, when temperatures fluctuate between an average high of 29.8°C (85.6°F) and a low of 25.2°C (77.4°F).Heat index
August's heat index is appraised at a very hot 36°C (96.8°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially crucial for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Koshigoe, the average relative humidity in August is 76%.Rainfall
In Koshigoe, in August, during 11.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Koshigoe, during the entire year, the rain falls for 129.4 days and collects up to 351mm (13.82") of precipitation.Snowfall
In Koshigoe, snow does not fall in April through December.Daylight
In Koshigoe, the average length of the day in August is 13h and 28min.On the first day of the month, sunrise is at 04:50 and sunset at 18:45. On the last day of August, sunrise is at 05:13 and sunset at 18:10 JST.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year in Koshigoe.UV index
The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 6 suggests these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Koshigoe, Japan
- Average high temperature in August: 29.8°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in August: 25.2°C
The month with the highest average low temperature is August (25.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in August
Koshigoe, Japan
- Average pressure in August: 1010.2mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in August
Koshigoe, Japan
- Average wind speed in August: 14.5km/h
The windiest month (with the highest average wind speed) is March (17.4km/h).
The calmest month (with the lowest average wind speed) is June (13.9km/h).
Average humidity in August
Koshigoe, Japan
- Average humidity in August: 76%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in August
Koshigoe, Japan
- Average rainfall in August: 31mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in August
Koshigoe, Japan
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (6.1 days).
Average snowfall in August
Koshigoe, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Koshigoe, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Koshigoe, Japan
- Average daylight in August: 13h and 30min
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 August: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in August
Koshigoe, Japan
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in August
Koshigoe, Japan
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in August
Koshigoe, Japan
- Average cloud cover in August: 31
The months with the most cloud cover are March and October (Cloud cover 43).
The months with the least cloud cover are January and December (Cloud cover 29).
Average visibility in August
Koshigoe, Japan
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





