August weather forecastNiimi, Japan
August
Weather in August
August, the last month of the summer in Niimi, is a hot month, with an average temperature fluctuating between 30.5°C (86.9°F) and 23.3°C (73.9°F).Temperature
Temperature readings reach their annual highs in August, averaging 30.5°C (86.9°F) and a minimum average of 23.3°C (73.9°F).Heat index
In August, the average heat index is evaluated at a very hot 39°C (102.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In August, the average relative humidity in Niimi is 78%.Rainfall
In Niimi, Japan, in August, it is raining for 17.8 days, with typically 57mm (2.24") of accumulated precipitation. In Niimi, during the entire year, the rain falls for 148 days and collects up to 439mm (17.28") of precipitation.Snowfall
In Niimi, snow does not fall in April through November.Daylight
In Niimi, the average length of the day in August is 13h and 27min.On the first day of the month, sunrise is at 05:15 and sunset at 19:09. On the last day of August, sunrise is at 05:38 and sunset at 18:34 JST.
Sunshine
With an average of 10.8h of sunshine, August has the most sunshine of the year in Niimi.UV index
In Niimi, Japan, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Niimi, Japan
- Average high temperature in August: 30.5°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in August: 23.3°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in August
Niimi, Japan
- Average pressure in August: 1009.1mbar
The months with the highest atmospheric pressure are January and February (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in August
Niimi, Japan
- Average wind speed in August: 7.5km/h
The windiest month (with the highest average wind speed) is January (11.6km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).
Average humidity in August
Niimi, Japan
- Average humidity in August: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (71%).
Average rainfall in August
Niimi, Japan
- Average rainfall in August: 57mm
The wettest month (with the highest rainfall) is July (81mm).
The driest month (with the least rainfall) is November (12mm).
Average rainfall days in August
Niimi, Japan
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in August
Niimi, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Niimi, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.5 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
Niimi, Japan
- Average daylight in August: 13h and 24min
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 54min).
- Average sunshine in August: 10h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in August
Niimi, Japan
- Average sunshine days in August: 9.7 days
The month with the most sunshine days is May (18.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in August
Niimi, 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 2).
Average cloud cover in August
Niimi, Japan
- Average cloud cover in August: 31
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Niimi, Japan
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, August, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and September (9km).
