July weather forecast
Koya, Japan

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Weather in July

July, the same as June, is a moderately hot summer month in Koya, Japan, with an average temperature varying between 21.2°C (70.2°F) and 28°C (82.4°F).

Temperature

The start of July brings a subtle shift in the average high-temperature, edging up from June's moderately hot 24.5°C (76.1°F) to a still warm 28°C (82.4°F). In Koya, the average temperature during the nights of July drops to a pleasant 21.2°C (70.2°F).

Heat index

July's heat index is evaluated at a hot 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. 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. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

July is the most humid month in Koya, Japan, with an average relative humidity of 83%.

Rainfall

July is the month with the most rainfall. Rain falls for 21.1 days and accumulates 179mm (7.05") of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

In Koya, the average length of the day in July is 14h and 11min.
On the first day of July in Koya, sunrise is at 04:49 and sunset at 19:13. On the last day of the month, sunrise is at 05:08 and sunset at 19:00 JST.

Sunshine

The average sunshine in July in Koya is 9.4h.

UV index

The month with the highest UV index in Koya, Japan, is July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during July leads to these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

How hot is it in Koya in July?

An average high-temperature, in July, in Koya, is 28°C (82.4°F) and the average low-temperature is 21.2°C (70.2°F). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 33°C (91.4°F).

What is the most humid month in Koya?

With an average relative humidity of 83%, July is the most humid month.

What is the average humidity in July in Koya?

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

What is the wettest month in Koya?

The month with the most rainfall in Koya is July, when the rain falls for 21.1 days and typically aggregates up to 179mm (7.05") of precipitation.

How many days does it rain in July in Koya?

In Koya, Japan, in July, during 21.1 rainfall days, 179mm (7.05") of precipitation is typically accumulated.

When it does not snow in Koya?

May through November are months without snowfall.

What is the average length of the day in July in Koya?

In Koya, Japan, the average day length in July is 14h and 11min.

When are sunrise and sunset in July in Koya?

In July, on the first day of the month, sunrise is at 04:49 and sunset at 19:13. On the last day of the month, sunrise is at 05:08 and sunset at 19:00 JST.

How long on average sun shines in July in Koya?

In Koya, the average sunshine duration in July is 9.4h.

When is the highest UV index in Koya?

With an average maximum UV index of 7, July is the month with the highest UV index in Koya, Japan.

How high is the UV index in July in Koya?

In July, the average daily maximum UV index in Koya, Japan, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
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 July
Koya, Japan

Average temperature in July - Koya, Japan
  • Average high temperature in July: 28°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in July: 21.2°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

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Average pressure in July
Koya, Japan

Average pressure in July - Koya, Japan
  • Average pressure in July: 1009.4mbar

The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

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Average wind speed in July
Koya, Japan

Average wind speed in July - Koya, Japan
  • Average wind speed in July: 6.5km/h

The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest months (with the lowest average wind speed) are June and August (6.2km/h).

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Average humidity in July
Koya, Japan

Average humidity in July - Koya, Japan
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (74%).

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Average rainfall in July
Koya, Japan

Average rainfall in July - Koya, Japan
  • Average rainfall in July: 179mm

The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (56mm).

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Average rainfall days in July
Koya, Japan

Average rainfall days in July - Koya, Japan
  • Average rainfall days in July: 21.1 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (13.8 days).

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Average snowfall in July
Koya, Japan

Average snowfall in July - Koya, Japan
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (90mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

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Average snowfall days in July
Koya, Japan

Average snowfall days in July - Koya, Japan
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

Average daylight in July / Average sunshine in July - Koya, Japan
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days in July
Koya, Japan

Average sunshine days in July - Koya, Japan
  • Average sunshine days in July: 7.9 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is July (7.9 days).

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Average UV index in July
Koya, Japan

Average UV index in July - Koya, Japan
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in July
Koya, Japan

Average cloud cover in July - Koya, Japan
  • Average cloud cover in July: 42

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in July
Koya, Japan

Average visibility in July - Koya, Japan
  • Average visibility in July: 8km

The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).

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Koya, Japan

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