August weather forecastIwaki, Japan
August
Weather in August
August, the last month of the summer in Iwaki, is another warm month, with an average temperature varying between 20.8°C (69.4°F) and 27.5°C (81.5°F).Temperature
August, recognised by an average high temperature of 27.5°C (81.5°F) and a low of 20.8°C (69.4°F), is Iwaki's warmest month.Heat index
August's average heat index is computed to be a hot 31°C (87.8°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. 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. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In August, the average relative humidity in Iwaki is 84%.Rainfall
In Iwaki, during August, the rain falls for 21.8 days and regularly aggregates up to 100mm (3.94") of precipitation. Throughout the year, there are 195.5 rainfall days, and 1085mm (42.72") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Iwaki.Daylight
In Iwaki, Japan, the average length of the day in August is 13h and 34min.On the first day of August in Iwaki, Japan, sunrise is at 04:41 and sunset at 18:43. On the last day of the month, sunrise is at 05:06 and sunset at 18:06 JST.
Sunshine
The month with the most sunshine is August, with an average of 9.4h of sunshine.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 6 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Iwaki, Japan
- Average high temperature in August: 27.5°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in August: 20.8°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in August
Iwaki, Japan
- Average pressure in August: 1010.2mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.4mbar).
Average wind speed in August
Iwaki, Japan
- Average wind speed in August: 9.6km/h
The windiest month (with the highest average wind speed) is January (16.5km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in August
Iwaki, Japan
- Average humidity in August: 84%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (70%).
Average rainfall in August
Iwaki, Japan
- Average rainfall in August: 100mm
The wettest month (with the highest rainfall) is October (152mm).
The driest months (with the least rainfall) are January and February (45mm).
Average rainfall days in August
Iwaki, Japan
- Average rainfall days in August: 21.8 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in August
Iwaki, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Iwaki, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.4 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
Iwaki, 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 42min).
- Average sunshine in August: 9h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in August
Iwaki, Japan
- Average sunshine days in August: 5.3 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in August
Iwaki, Japan
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in August
Iwaki, Japan
- Average cloud cover in August: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in August
Iwaki, Japan
- Average visibility in August: 9km
The months with the highest visibility are November and December (10km).
The month with the lowest visibility is July (8km).
