Yearly weather

Calculations are based on the last 8 years of historical weather data.

Weather Score #

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Perfect for sun worshippers, beach lovers, and those seeking warm, dry climates for outdoor activities and relaxation.

Formula optimized for hot weather enthusiasts who prefer temperatures above 25°C (77°F) with maximum sun exposure and minimal precipitation.

Key factors in the calculation:

High temperatures: Favors locations with warm to hot daily highs
Abundant sunshine: Rewards areas with maximum daylight hours
Low precipitation: Penalizes frequent rain and wet conditions
Warm nights: Considers comfortable evening temperatures

Temperatures #

Nagano experiences a wide range of temperatures throughout the year, with winter months (December to February) often dipping into discomfort with temperatures below 5°C
The summer months (July and August) are generally comfortable, with average temperatures within the 18-26°C range, occasionally reaching discomfort levels with highs nearing 30°C
The transition months of April, May, June, September and October offer pleasant conditions, with temperatures mostly falling within a comfortable range
November can be chilly, with minimum temperatures nearing uncomfortable levels.

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

Nagano experiences a clear trend of increasing sun hours from January to May, peaking at 6.4 hours, before declining through the summer and autumn months
Precipitation is relatively consistent throughout the year, with a slight increase in July and August
The lowest precipitation occurs in April and November.

Sunny Weather

Period	Nagano
Jan	1.9 hours/day
Feb	3.2 hours/day
Mar	4.7 hours/day
Apr	6.2 hours/day
May	6.4 hours/day
Jun	5.3 hours/day
Jul	3.3 hours/day
Aug	3.4 hours/day
Sep	3.5 hours/day
Oct	3.8 hours/day
Nov	4.3 hours/day
Dec	2.7 hours/day
Average	4.1 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

Daylight Hours #

Nagano experiences its earliest sunrise in June at 4:28 AM and its latest sunrise in January at 6:57 AM.
The earliest sunset occurs in December at 4:33 PM, while the latest sunset is in June at 7:06 PM.
Consequently, the shortest day in Nagano is in December with a length of 9 hours and 42 minutes, and the longest day is in June, lasting 14 hours and 37 minutes.

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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