August weather forecastUonuma, Japan
August
Weather in August
August, the last month of the summer in Uonuma, is another warm month, with an average temperature ranging between min 20.1°C (68.2°F) and max 28.6°C (83.5°F).Temperature
August, recognised by an average high temperature of 28.6°C (83.5°F) and a low of 20.1°C (68.2°F), is Uonuma's warmest month.Heat index
The heat index value during August is evaluated at a tropical 34°C (93.2°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 17.9 days. Throughout August, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 192.2 rainfall days, and 1224mm (48.19") of precipitation is accumulated.Snowfall
In Uonuma, snow does not fall in May through October.Daylight
In Uonuma, the average length of the day in August is 13h and 34min.On the first day of the month, sunrise is at 04:49 and sunset at 18:52. On the last day of August, sunrise is at 05:14 and sunset at 18:14 JST.
Sunshine
August has the most sunshine of the year, with an average of 10.4h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during August translates into the following guidance:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Uonuma, Japan
- Average high temperature in August: 28.6°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in August: 20.1°C
The month with the highest average low temperature is August (20.1°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in August
Uonuma, Japan
- Average pressure in August: 1010.3mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in August
Uonuma, Japan
- Average wind speed in August: 6.5km/h
The windiest months (with the highest average wind speed) are January and December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in August
Uonuma, Japan
- Average humidity in August: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (74%).
Average rainfall in August
Uonuma, Japan
- Average rainfall in August: 78mm
The wettest month (with the highest rainfall) is January (187mm).
The driest month (with the least rainfall) is May (50mm).
Average rainfall days in August
Uonuma, Japan
- Average rainfall days in August: 17.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is May (12.6 days).
Average snowfall in August
Uonuma, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (971mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Uonuma, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (23 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
Uonuma, 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: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Uonuma, Japan
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is January (1.8 days).
Average UV index in August
Uonuma, Japan
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Uonuma, Japan
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Uonuma, Japan
- Average visibility in August: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
