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 #

San Juan experiences a wide range of temperatures throughout the year.
January, February, and December have the highest temperatures, often exceeding 30.0C, while June and July experience discomfort temperatures below 5.0C.
April, May, September, October and November features comfort temperatures.
The remaining months fall outside the comfort range but are not in the extreme discomfort range.

Maximum Temperatures

Minimum Temperatures

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

Conditions #

San Juan experiences a gradual decline in sun hours from January to May, reaching a low of 8.2 hours in May, before increasing again towards the end of the year, peaking at 11.8 hours in December.
Precipitation levels are minimal throughout the year, with the highest recorded in January at 0.99mm, suggesting a generally dry climate. Overall, the city benefits from significant sunshine in the latter part of the year, while maintaining low precipitation rates year-round, providing favorable conditions for outdoor activities.

Sunny Weather

Period	San Juan
Jan	10.5 hours/day
Feb	10.2 hours/day
Mar	10.1 hours/day
Apr	10.0 hours/day
May	8.2 hours/day
Jun	8.8 hours/day
Jul	8.9 hours/day
Aug	9.9 hours/day
Sep	10.7 hours/day
Oct	10.7 hours/day
Nov	11.6 hours/day
Dec	11.8 hours/day
Average	10.1 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 #

In San Juan, the earliest sunrise occurs in December at 06:24, while the latest sunrise takes place in June at 08:30, highlighting the contrast between the seasons. The shortest day occurs in June with a duration of just 10 hours and 7 minutes, whereas the longest day is experienced in December, lasting 14 hours and 10 minutes.
This significant variation in day length indicates that summer months provide much more daylight, while the winter months have considerably shorter days. Overall, the seasonal shifts result in a notable impact on the timing of both sunrise and sunset throughout the year.

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

Period	San Juan
Jan	13:41 hours
Feb	13:10 hours
Mar	12:15 hours
Apr	11:18 hours
May	10:31 hours
Jun	10:08 hours
Jul	10:20 hours
Aug	11:01 hours
Sep	11:55 hours
Oct	12:47 hours
Nov	13:11 hours
Dec	13:35 hours
Average	12:00 hours

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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