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 #

Lisbon enjoys comfortable temperatures for most of the year, particularly from May to October
July and August are the warmest months, with average highs reaching 27.1°C and 27.6°C respectively, while January and December are the coolest, with average lows around 9.3°C and 10.8°C
No months experience discomfort temperatures
Overall, Lisbon has a mild climate.

Maximum Temperatures

Minimum Temperatures

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

Conditions #

Lisbon experiences a clear upward trend in total sun hours from January to July, peaking at 13.2 hours in July and August, while simultaneously experiencing very low precipitation levels during the summer months.
Additionally, the winter months (January to March) show both lower sun hours and higher precipitation levels, with precipitation levels dropping significantly from April onwards, indicating a shift towards drier and sunnier conditions as spring progresses into summer.

Sunny Weather

Period	Lisbon
Jan	5.0 hours/day
Feb	5.6 hours/day
Mar	5.4 hours/day
Apr	7.0 hours/day
May	9.2 hours/day
Jun	10.3 hours/day
Jul	12.4 hours/day
Aug	12.5 hours/day
Sep	9.0 hours/day
Oct	6.8 hours/day
Nov	4.4 hours/day
Dec	4.5 hours/day
Average	7.7 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 Lisbon, the earliest sunrise occurs in June at 06:12, while the latest sunrise is recorded in January at 07:51.
Sunset times vary significantly, with the earliest at 17:17 in December and the latest at 21:02 in June, leading to the shortest day length of 9 hours and 30 minutes in December and the longest day length of 14 hours and 50 minutes in June.
This data indicates a substantial seasonal variation in daylight hours, reflecting typical patterns observed in temperate climates.

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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