July weather forecastJoetsu, Japan
July
Weather in July
July in Joetsu, Japan, is a moderately hot summer month, with an average temperature fluctuating between 26.2°C (79.2°F) and 19.5°C (67.1°F).Temperature
Joetsu, Japan, observes a slight uplift in the average high-temperature with the onset of July, adjusting from June's agreeable 22.3°C (72.1°F) to a moderately hot 26.2°C (79.2°F). Joetsu's temperature drops to an average low of 19.5°C (67.1°F) during the nights of July.Humidity
In Joetsu, the average relative humidity in July is 83%.Rainfall
July is the month with the most rainfall in Joetsu. Rain falls for 21.6 days and accumulates 142mm (5.59") of precipitation.Snowfall
May through October are months without snowfall in Joetsu.Sea temperature
In July, the average sea temperature in Joetsu is 24.4°C (75.9°F).Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 24.4°C (75.9°F). (Olympic swimming regulations state a water temperature of 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in July is 14h and 26min.On the first day of July in Joetsu, sunrise is at 04:30 and sunset at 19:11. On the last day of the month, sunrise is at 04:51 and sunset at 18:55 JST.
Sunshine
In July, the average sunshine in Joetsu is 9.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Joetsu, Japan
- Average high temperature in July: 26.2°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in July: 19.5°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure in July
Joetsu, Japan
- Average pressure in July: 1009.5mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in July
Joetsu, Japan
- Average wind speed in July: 7.7km/h
The windiest months (with the highest average wind speed) are January and December (15.4km/h).
The calmest months (with the lowest average wind speed) are July and August (7.7km/h).
Average humidity in July
Joetsu, Japan
- Average humidity in July: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is May (74%).
Average rainfall in July
Joetsu, Japan
- Average rainfall in July: 142mm
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is May (57mm).
Average rainfall days in July
Joetsu, Japan
- Average rainfall days in July: 21.6 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in July
Joetsu, Japan
- Average snowfall in July: 0mm
The month with the highest snowfall is January (466mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in July
Joetsu, Japan
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
Joetsu, Japan
- Average sea temperature in July: 24.4°C
The best month for swimming (with the highest average sea temperature) is August (27°C).
The coldest month (with the lowest average sea temperature) is March (10.3°C).
Average daylight in July /
Average sunshine in July
Joetsu, Japan
- Average daylight in July: 14h and 24min
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 July: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in July
Joetsu, Japan
- Average sunshine days in July: 7.4 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in July
Joetsu, Japan
- Average UV index in July: 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 July
Joetsu, Japan
- Average cloud cover in July: 43
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in July
Joetsu, Japan
- Average visibility in July: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is January (8km).
