UTC Offset
UTC-05:00
San Juan, United States Snapshot 2026
Where is San Juan?
San Juan, United States
- Continent
- Americas
- Country
- United States
- City
- San Juan
- Population
- 36.6K
- Elevation
- 33 m
- Coordinates
- 26.19°, -98.16°
San Juan is a city in United States with a population of approximately 36.6K. Average temperatures range from 13°C (55°F) in January to 37°C (98°F) in August. The best time to visit is January, February, March, November, December.
Time in San Juan right now
Open full time & time zone page 23:03 03
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in San Juan
Daylight in San Juan today
View full sunrise & sunset page Sunrise
Sunset
Day length
13h 46m
Climate normals for San Juan
Long-term monthly averages based on historical data.
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Fair June
Poor July
Poor August
Poor September
Poor October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 23°C / 13°C | 21°C / 11°C | 5days (24 mm) Good | 7.2h Good | 66% Muggy | 4.2 Moderate | Excellent | View Details |
| February best | 26°C / 15°C | 24°C / 13°C | 4days (17 mm) Good | 8.1h Good | 67% Muggy | 5.4 High | Excellent | View Details |
| March best | 29°C / 18°C | 29°C / 18°C | 4days (34 mm) Good | 8.8h Good | 66% Muggy | 6.9 High | Excellent | View Details |
| April | 31°C / 21°C | 32°C / 21°C | 5days (36 mm) Good | 9.9h Good | 67% Muggy | 7.9 Very High | Good | View Details |
| May | 34°C / 24°C | 36°C / 27°C | 7days (66 mm) Good | 11.2h Excellent | 70% Muggy | 8.4 Very High | Fair | View Details |
| June | 35°C / 26°C | 38°C / 29°C | 8days (63 mm) Wet | 12.3h Excellent | 69% Muggy | 8.6 Very High | Poor | View Details |
| July | 36°C / 26°C | 38°C / 30°C | 6days (73 mm) Good | 12h Excellent | 67% Muggy | 8.5 Very High | Poor | View Details |
| August | 37°C / 27°C | 39°C / 31°C | 6days (36 mm) Good | 11.8h Excellent | 65% Muggy | 8.5 Very High | Poor | View Details |
| September | 34°C / 25°C | 37°C / 29°C | 11days (78 mm) Wet | 10.2h Excellent | 71% Muggy | 7.7 Very High | Poor | View Details |
| October | 31°C / 21°C | 32°C / 23°C | 6days (33 mm) Good | 9.6h Good | 67% Muggy | 6.4 High | Good | View Details |
| November best | 27°C / 18°C | 27°C / 17°C | 5days (42 mm) Good | 7.8h Good | 70% Muggy | 4.8 Moderate | Excellent | View Details |
| December best | 25°C / 15°C | 24°C / 13°C | 4days (19 mm) Good | 7.4h Good | 69% Muggy | 4.4 Moderate | Excellent | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 23°C / 13°C . Feb: 26°C / 15°C . Mar: 29°C / 18°C . Apr: 31°C / 21°C . May: 34°C / 24°C . Jun: 35°C / 26°C . Jul: 36°C / 26°C . Aug: 37°C / 27°C . Sep: 34°C / 25°C . Oct: 31°C / 21°C . Nov: 27°C / 18°C . Dec: 25°C / 15°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 24 mm. Feb: 17 mm. Mar: 34 mm. Apr: 36 mm. May: 66 mm. Jun: 63 mm. Jul: 73 mm. Aug: 36 mm. Sep: 78 mm. Oct: 33 mm. Nov: 42 mm. Dec: 19 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 67%. Mar: 66%. Apr: 67%. May: 70%. Jun: 69%. Jul: 67%. Aug: 65%. Sep: 71%. Oct: 67%. Nov: 70%. Dec: 69%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 25 km/h . Mar: 27 km/h . Apr: 27 km/h . May: 26 km/h . Jun: 25 km/h . Jul: 26 km/h . Aug: 25 km/h . Sep: 21 km/h . Oct: 21 km/h . Nov: 21 km/h . Dec: 22 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 7. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 8. Oct: UV 6. Nov: UV 5. Dec: UV 4.
Frequently Asked Questions
San Juan has a population of approximately 36.6K.
The best months to visit San Juan are January, February, March, November, December, when temperatures are pleasant and rainfall is lower.
San Juan receives approximately 521mm of rainfall annually across 71 rainy days.
San Juan is located in United States, in the Americas region.
San Juan sits at an elevation of 33 m (108 ft) above sea level.