August weather forecast
Rifu, Japan

August

Weather in August

The last month of the summer, August, is another warm month in Rifu, Japan, with an average temperature fluctuating between 27.7°C (81.9°F) and 21.7°C (71.1°F).

Temperature

August, having an average high-temperature of 27.7°C (81.9°F) and an average low-temperature of 21.7°C (71.1°F), is the warmest month.

Heat index

The average heat index in August is computed to be a hot 32°C (89.6°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Rifu, the average relative humidity in August is 82%.

Rainfall

In Rifu, in August, during 14.3 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Rifu, during the entire year, the rain falls for 133.1 days and collects up to 706mm (27.8") of precipitation.

Snowfall

In Rifu, snow does not fall in May through November.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 04:38 and sunset at 18:46. On the last day of August, sunrise is at 05:04 and sunset at 18:07 JST.

Sunshine

The average sunshine in August is 9h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What time of the year is the hottest?
The warmest period is August, when temperatures fluctuate between an average high of 27.7°C (81.9°F) and a low of 21.7°C (71.1°F).
What are August temperatures?
The high-temperature, in August, in Rifu, is 27.7°C (81.9°F), while the low-temperature averages to 21.7°C (71.1°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 32°C (89.6°F).
What is the average humidity in August?
In August, the average relative humidity is 82%.
How many days does it rain in August?
In Rifu, during August, the rain falls for 14.3 days and regularly aggregates up to 62mm (2.44") of precipitation.
When it does not snow?
In Rifu, snow does not fall in May through November.
What is the average length of the day in August?
In Rifu, Japan, the average day length in August is 13h and 38min.
When is the sunrise / sunset in August?
On the first day of August in Rifu, sunrise is at 04:38 and sunset at 18:46. On the last day of the month, sunrise is at 05:04 and sunset at 18:07 JST.
How long on average sun shines in August in Rifu?
The average sunshine duration in August is 9h.
What are the months with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the UV index reading in August?
In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 - Rifu, Japan
Average temperature in August
Rifu, Japan
  • Average high temperature in August: 27.7°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in August: 21.7°C

The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).

Average pressure in August - Rifu, Japan
Average pressure in August
Rifu, Japan
  • Average pressure in August: 1010.1mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in August - Rifu, Japan
Average wind speed in August
Rifu, Japan
  • Average wind speed in August: 9.6km/h

The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).

Average humidity in August - Rifu, Japan
Average humidity in August
Rifu, Japan
  • Average humidity in August: 82%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).

Average rainfall in August - Rifu, Japan
Average rainfall in August
Rifu, Japan
  • Average rainfall in August: 62mm

The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in August - Rifu, Japan
Average rainfall days in August
Rifu, Japan
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).

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

The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

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: 9h and 0min

The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in August - Rifu, Japan
Average sunshine days in August
Rifu, Japan
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).

Average UV index in August - Rifu, Japan
Average UV index in August
Rifu, 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 - Rifu, Japan
Average cloud cover in August
Rifu, Japan
  • Average cloud cover in August: 43

The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).

Average visibility in August - Rifu, Japan
Average visibility in August
Rifu, Japan
  • Average visibility in August: 9km

The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).

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