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 #

Hanoi experiences comfortable temperatures for most of the year, particularly from March to November
However, May through September can get uncomfortably hot, exceeding 30°C
January, February and December are the coolest months, with temperatures dropping to around 15°C.

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 Hanoi, the months of June and August experience the highest precipitation levels, peaking at 9.94mm and 10.21mm, respectively, while the sun hours vary, with April showing the most sunlight at 3.3 hours.
Interestingly, despite the significant rainfall in the summer months, sunny days are relatively sparse, suggesting a pattern of overcast conditions often accompanying high precipitation. Overall, Hanoi exhibits a trend of increased rain with less sunshine during the summer, contrasting with sunnier but drier winter months.

Sunny Weather

Period	Hanoi
Jan	1.5 hours/day
Feb	1.0 hours/day
Mar	1.9 hours/day
Apr	2.7 hours/day
May	2.8 hours/day
Jun	3.0 hours/day
Jul	2.6 hours/day
Aug	2.1 hours/day
Sep	2.4 hours/day
Oct	2.4 hours/day
Nov	2.5 hours/day
Dec	2.7 hours/day
Average	2.3 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 Hanoi, the earliest sunrise occurs in June at 05:15, while the latest occurs in January at 06:35, highlighting a significant variation of more than an hour throughout the year.
Contrastingly, the sunsets range from the earliest at 17:16 in November to the latest at 18:40 in July, reflecting a longer evening during the summer months.
Day length also demonstrates considerable fluctuation, with the shortest day at 10:53 in December and the longest at 13:22 in June, implying that Hanoi experiences distinctly varying daylight hours across different seasons.
Overall, the data illustrates the typical seasonal patterns, with longer days and earlier sunrises in the summer months, while winter brings shorter days and later sunrises.

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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