August weather forecastKoriyama, Japan
August weather for Koriyama, Japan: The last month of the summer, August, is another warm month in Koriyama, Japan, with an average temperature varying between 28.3°C (82.9°F) and 18.7°C (65.7°F). August proves to be the warmest month in Koriyama, recording an average peak temperature of 28.3°C (82.9°F) and a minimum temperature of 18.7°C (65.7°F).
August
Weather in August
The last month of the summer, August, is another warm month in Koriyama, Japan, with an average temperature varying between 28.3°C (82.9°F) and 18.7°C (65.7°F).Temperature
August stands out as Koriyama's warmest month, with an average high-temperature of 28.3°C (82.9°F) and a low-temperature of 18.7°C (65.7°F).Heat index
The average heat index in August is estimated at a hot 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Consider that heat index readings are for situations in the shade and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in August is 83%.Rainfall
In Koriyama, during August, the rain falls for 22.3 days and regularly aggregates up to 94mm (3.7") of precipitation. Throughout the year, there are 183.1 rainfall days, and 848mm (33.39") of precipitation is accumulated.Snowfall
In Koriyama, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 35min.On the first day of August, sunrise is at 04:43 and sunset at 18:46. On the last day of the month, sunrise is at 05:08 and sunset at 18:09 JST.
Sunshine
In August, the average sunshine in Koriyama is 9h.UV index
In August, the average daily maximum UV index in Koriyama is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Koriyama, Japan
- Average high temperature in August: 28.3°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in August: 18.7°C
The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in August
Koriyama, Japan
- Average pressure in August: 1010.3mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in August
Koriyama, Japan
- Average wind speed in August: 6.7km/h
The windiest month (with the highest average wind speed) is January (12.1km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in August
Koriyama, Japan
- Average humidity in August: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is May (73%).
Average rainfall in August
Koriyama, Japan
- Average rainfall in August: 94mm
The wettest month (with the highest rainfall) is July (127mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days in August
Koriyama, Japan
- Average rainfall days in August: 22.3 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in August
Koriyama, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (177mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Koriyama, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Koriyama, Japan
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 9h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in August
Koriyama, Japan
- Average sunshine days in August: 6 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is July (4.6 days).
Average UV index in August
Koriyama, Japan
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Koriyama, Japan
- Average cloud cover in August: 49
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in August
Koriyama, Japan
- Average visibility in August: 7km
The months with the highest visibility are April and May (9km).
The months with the lowest visibility are July, August and September (7km).
