August weather forecastYamagata, Japan
August
Weather in August
Literally following the heat, August proudly holds the title for the warmest month in Yamagata, with temperatures soaring to an average of 30°C (86°F). Along with this comes a stimulating increase in rainfall at 149mm (5.87"), the highest in the year. August continues to highlight Yamagata's very distinct and lush summer character. Moreover, with a UV Index of 9, sun protection becomes a necessity. By August end, locals eagerly look forward to a shift in weather as September approaches with its relatively cooler temperatures and less rainfall.Temperature
Yamagata's August weather reaches an average high of 30°C (86°F) and an average low of 20°C (68°F), making it the warmest month.Rainfall
The month with the most rainfall in Yamagata is August, when the rain falls for 19 days and typically aggregates up to 149mm (5.87") of precipitation.Snowfall
In Yamagata, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 04:41 and sunset at 18:48. On the last day of August, in Yamagata, sunrise is at 05:07 and sunset at 18:10 JST.
Sunshine
The average sunshine in August in Yamagata, Japan, is 6h.UV index
The average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 9 during August translates into the following directions:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Yamagata, Japan
- Average high temperature in August: 30°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in August: 20°C
The month with the highest average low temperature is August (20°C).
The coldest months (with the lowest average low temperature) are January and February (-4°C).
Average rainfall in August
Yamagata, Japan
- Average rainfall in August: 149mm
The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the least rainfall) is March (67mm).
Average rainfall days in August
Yamagata, Japan
- Average rainfall days in August: 19 days
The month with the highest number of rainy days is January (29 days).
The month with the least rainy days is May (17 days).
Average snowfall in August
Yamagata, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (1630mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average daylight in August /
Average sunshine in August
Yamagata, Japan
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 6h
The month with the most sunshine is May (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in August
Yamagata, Japan
- Average UV index in August: 9
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
