August weather forecast
Yonezawa, Japan

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Weather in August

The last month of the summer, August, is another warm month in Yonezawa, Japan, with an average temperature varying between 28.1°C (82.6°F) and 18.2°C (64.8°F).

Temperature

Yonezawa's temperatures peak on average in August, reaching 28.1°C (82.6°F) at their highest and 18.2°C (64.8°F) at their lowest.

Heat index

The heat index for August is estimated at a tropical 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in August is 83%.

Rainfall

In Yonezawa, in August, during 21.3 rainfall days, 92mm (3.62") of precipitation is typically accumulated. In Yonezawa, during the entire year, the rain falls for 147.7 days and collects up to 805mm (31.69") of precipitation.

Snowfall

May through October are months without snowfall in Yonezawa.

Daylight

The average length of the day in August in Yonezawa is 13h and 37min.
On the first day of the month, sunrise is at 04:42 and sunset at 18:48. On the last day of August, in Yonezawa, Japan, sunrise is at 05:08 and sunset at 18:10 JST.

Sunshine

The average sunshine in August is 9.3h.

UV index

In Yonezawa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during August leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What time of the year is the hottest in Yonezawa?

The temperatures in Yonezawa, Japan, reach their highest averages in August, with highs of 28.1°C (82.6°F) and lows of 18.2°C (64.8°F).

How hot is it in Yonezawa in August?

In Yonezawa, in August, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 18.2°C (64.8°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 33°C (91.4°F).

What is the average humidity in August in Yonezawa?

In Yonezawa, Japan, the average relative humidity in August is 83%.

How many days does it rain in August in Yonezawa?

In Yonezawa, Japan, in August, during 21.3 rainfall days, 92mm (3.62") of precipitation is typically accumulated.

When it does not snow in Yonezawa?

In Yonezawa, Japan, snow does not fall in May through October.

How many hours of daylight does Yonezawa have in August?

In August, the average day length in Yonezawa, Japan, is 13h and 37min.

What time are sunrise and sunset in August in Yonezawa?

On the first day of August in Yonezawa, sunrise is at 04:42 and sunset at 18:48. On the last day of the month, sunrise is at 05:08 and sunset at 18:10 JST.

How long on average sun shines in August in Yonezawa?

In Yonezawa, Japan, the average sunshine duration in August is 9.3h.

How high is the UV index in August in Yonezawa?

In August, the average daily maximum UV index in Yonezawa, Japan, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Yonezawa, Japan

Average temperature in August - Yonezawa, Japan
  • Average high temperature in August: 28.1°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in August: 18.2°C

The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).

Average pressure in August
Yonezawa, Japan

Average pressure in August - Yonezawa, Japan
  • Average pressure in August: 1010.2mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in August
Yonezawa, Japan

Average wind speed in August - Yonezawa, Japan
  • Average wind speed in August: 6.2km/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 (6.2km/h).

Average humidity in August
Yonezawa, Japan

Average humidity in August - Yonezawa, Japan
  • Average humidity in August: 83%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (74%).

Average rainfall in August
Yonezawa, Japan

Average rainfall in August - Yonezawa, Japan
  • Average rainfall in August: 92mm

The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is February (30mm).

Average rainfall days in August
Yonezawa, Japan

Average rainfall days in August - Yonezawa, Japan
  • Average rainfall days in August: 21.3 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in August
Yonezawa, Japan

Average snowfall in August - Yonezawa, Japan
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (317mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in August
Yonezawa, Japan

Average snowfall days in August - Yonezawa, Japan
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (19 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
Yonezawa, Japan

Average daylight in August / Average sunshine in August - Yonezawa, Japan
  • Average daylight in August: 13h and 4min

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 2min

The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Yonezawa, Japan

Average sunshine days in August - Yonezawa, Japan
  • Average sunshine days in August: 7.8 days

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is August (7.8 days).

Average UV index in August
Yonezawa, Japan

Average UV index in August - Yonezawa, 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 and December (UV index 1).

Average cloud cover in August
Yonezawa, Japan

Average cloud cover in August - Yonezawa, Japan
  • Average cloud cover in August: 47

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 39).

Average visibility in August
Yonezawa, Japan

Average visibility in August - Yonezawa, Japan
  • Average visibility in August: 7km

The month with the highest visibility is April (9km).
The month with the lowest visibility is January (6km).

Yonezawa, Japan

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