July weather forecast
Nagano, Japan

July is typically the hottest month in Nagano, Japan with average temperatures reaching up to 29.1°C (84.4°F). The city groans under the burden of the summer heat, and the humidity levels rise in parallel, further exacerbating the hot conditions. Thunderstorms may frequent the afternoons, offering a brief respite from the sweltering midday sun. Despite the intense temperatures, July presents a golden opportunity to witness a brilliant display of fireworks tradition in Japan, best enjoyed near the city's rivers and lakes.

Temperature

Nagano observes a slight ascent in average high-temperatures during July, adjusting from a warm 25.7°C (78.3°F) in June to a still moderately hot 29.1°C (84.4°F). Throughout July, Nagano witnesses a nighttime temperature average of 20°C (68°F).

Heat index

July's average heat index is computed to be a hot 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Nagano, the average relative humidity in July is 74%.

Rainfall

July is the month with the most rainfall in Nagano. Rain falls for 13.1 days and accumulates 134mm (5.28") of precipitation.

Snowfall

In Nagano, snow does not fall in May through October.

Daylight

The average length of the day in July in Nagano is 14h and 23min.
On the first day of the month, sunrise is at 04:32 and sunset at 19:09. On the last day of July, in Nagano, sunrise is at 04:52 and sunset at 18:54 JST.

Sunshine

In July, the average sunshine in Nagano is 5.4h.