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 #

Iwaki experiences cold winters with temperatures occasionally dropping into the discomfort zone in December, January, and February
Summers are mild, with July and August seeing temperatures within or close to the comfort zone
The transition months of May, June, September and October offer pleasant temperatures
April and November can be somewhat cool but generally mild.

Maximum Temperatures

Minimum Temperatures

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

Conditions #

In Iwaki, the trend shows a significant decline in sun hours from mid-summer to early autumn, with the lowest point occurring in September at just 2.7 hours.
Precipitation levels peak during the same period, particularly in July and September, indicating a pattern of increased rainfall coinciding with reduced sunlight.
Notably, the months of April and May offer a more balanced climate, featuring relatively higher sun hours and moderate precipitation, making them potentially the most pleasant months of the year.

Sunny Weather

Period	Iwaki
Jan	4.7 hours/day
Feb	5.0 hours/day
Mar	4.8 hours/day
Apr	6.2 hours/day
May	5.8 hours/day
Jun	4.9 hours/day
Jul	3.7 hours/day
Aug	3.5 hours/day
Sep	2.7 hours/day
Oct	4.6 hours/day
Nov	4.8 hours/day
Dec	4.5 hours/day
Average	4.6 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 #

In Iwaki, Japan, the earliest sunrise occurs at 04:16 in June, while the latest sunrise takes place at 06:47 in January.
The city experiences the shortest day length of 9 hours and 39 minutes in December and the longest day length of 14 hours and 40 minutes in June, highlighting a significant variation in daylight throughout the year.
Additionally, the earliest sunset happens at 16:21 in December, while the latest sunset is at 18:57 in June, further illustrating the seasonal shifts in daylight hours.

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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