Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August temperatures tend to peak at an average high of 27.7°C (81.9°F) and dip to a low of 21.7°C (71.1°F).Heat index
August's heat index is calculated to be a hot 32°C (89.6°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. 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. 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 particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In August, the average relative humidity is 82%.Rainfall
In Shimizusawa, during August, the rain falls for 14.3 days and regularly aggregates up to 62mm (2.44") of precipitation. Throughout the year, in Shimizusawa, there are 134.2 rainfall days, and 724mm (28.5") of precipitation is accumulated.Snowfall
In Shimizusawa, snow does not fall in May through November.Daylight
The average length of the day in August in Shimizusawa is 13h and 38min.On the first day of August, 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.
Sunshine
The average sunshine in August in Shimizusawa 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 threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 6 during August leads to these instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What part of the year is the hottest in Shimizusawa?
What is the average August temperature in Shimizusawa?
What is the average humidity in August in Shimizusawa?
How many days does it rain in August in Shimizusawa?
When it does not snow in Shimizusawa?
What is the average length of the day in August in Shimizusawa?
When are sunrise and sunset in August in Shimizusawa?
How long on average sun shines in August in Shimizusawa?
When is the highest UV index in Shimizusawa?
How high is the UV index in August in Shimizusawa?
Average temperature in August
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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
Shimizusawa, 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).
Shimizusawa, Japan
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