July weather forecastChatan, Japan

July

Weather in July

July, like June, in Chatan, Japan, is another warm summer month, with temperature in the range of an average low of 27.8°C (82°F) and an average high of 29.1°C (84.4°F).

Temperature

Chatan registers an average high-temperature of a still warm 29.1°C (84.4°F) with the arrival of July, showing minor deviation from the preceding month. July nights in Chatan cool to an average low-temperature of 27.8°C (82°F), a marginal decrease from its daytime equivalent.

Heat index

The average heat index in July is appraised at a torrid 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In July, the average relative humidity in Chatan is 83%.

Rainfall

In Chatan, in July, it is raining for 16.1 days, with typically 125mm (4.92") of accumulated precipitation. Throughout the year, there are 215.5 rainfall days, and 1300mm (51.18") of precipitation is accumulated.

Sea temperature

In Chatan, the average seawater temperature in July is 28.2°C (82.8°F).
Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In July, the average length of the day is 13h and 37min.
On the first day of the month, sunrise is at 05:40 and sunset at 19:25. On the last day of July, sunrise is at 05:53 and sunset at 19:16 JST.

Sunshine

July has the most sunshine of the year in Chatan, with an average of 10.5h of sunshine.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in July translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Frequently asked questions

In Chatan, 29.1°C (84.4°F) is the average high-temperature and 27.8°C (82°F) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 36°C (96.8°F).

In July, the average relative humidity is 83%.

In Chatan, during July, the rain falls for 16.1 days and regularly aggregates up to 125mm (4.92") of precipitation.

In July, the average sea temperature is 28.2°C (82.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

In July, the average day length in Chatan is 13h and 37min.

On the first day of July, sunrise is at 05:40 and sunset at 19:25. On the last day of the month, sunrise is at 05:53 and sunset at 19:16 JST.

With an average of 10.5h of sunshine, July has the most sunshine of the year.

In Chatan, Japan, the average sunshine duration in July is 10.5h.

The months with the highest UV index in Chatan are June through September, with an average maximum UV index of 7.

The average daily maximum UV index in July in Chatan, Japan, is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Chatan, Japan

  • Average high temperature in July: 29.1°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in July: 27.8°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in July
Chatan, Japan

  • Average pressure in July: 1008.4mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in July
Chatan, Japan

  • Average wind speed in July: 21.6km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).

Average humidity in July
Chatan, Japan

  • Average humidity in July: 83%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).

Average rainfall in July
Chatan, Japan

  • Average rainfall in July: 125mm

The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).

Average rainfall days in July
Chatan, Japan

  • Average rainfall days in July: 16.1 days

The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is July (16.1 days).

Average sea temperature in July
Chatan, Japan

  • Average sea temperature in July: 28.2°C

The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).

Average daylight in July /
Average sunshine in July
Chatan, Japan

  • Average daylight in July: 13h and 36min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in July: 10h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in July
Chatan, Japan

  • Average sunshine days in July: 12.6 days

The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (7.1 days).

Average UV index in July
Chatan, Japan

  • Average UV index in July: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in July
Chatan, Japan

  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in July
Chatan, Japan

  • Average visibility in July: 10km

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