San Juan
It is 87.8°F at San Juan/Dominicci Arpt, 08:45 local on Monday. San Juan is the 53rd hottest of 139 capitals by annual mean, and the 27th hottest capital right now.
08:45 local · Monday 28 September 2026
Source: METAR reports from the aerodrome
Normal for this date here is a high of 86.0°F.
Friday, 14 October 1955
Source: GHCN-Daily
Sunday, 16 January 1955
Source: GHCN-Daily
The record for 28 September here is 86.0°F, set in 1955. Today reached 87.8°F.
The whole record bookUlan Bator, at 32.0°F. The two ends of the capitals table right now.
See Ulan BatorWhere San Juan stands
- Among capitals, annual mean
- #53
- of 139
- Among capitals, right now
- #27
- of 213 reporting
- Hottest month
- August
- 88.2°F
- Widest annual swing
- #99
- of 139
San Juan by month
Normal high · record high · record low- Jan81.7°FHigh 87.1°F · 30 Jan 1955Low 64.0°F · 16 Jan 1955
- Feb80.4°FHigh 84.0°F · 15 Feb 1955Low 66.9°F · 9 Feb 1955
- Mar80.6°FHigh 88.0°F · 29 Mar 1955Low 64.9°F · 2 Mar 1955
- Apr82.8°FHigh 90.0°F · 30 Apr 1955Low 66.0°F · 22 Apr 1955
- May85.3°FHigh 91.0°F · 2 May 1955Low 70.0°F · 24 May 1955
- Jun87.6°FHigh 91.0°F · 10 Jun 1955Low 70.0°F · 2 Jun 1955
- Jul
Nearby, hottest and coldest
8 of 8 nearby stations reported today.
Capitals with a similar climate
The capitals immediately warmer and cooler than San Juan by annual mean.
- Libreville 85.3°F
- Suva 84.9°F
- Dodoma 84.7°F
- Port-Vila 84.6°F
- Islamabad 84.4°F
- West Island 84.4°F
How San Juan’s temperature has been recorded
When did temperature records begin in San Juan?
The archive held here for San Juan, Puerto Rico starts in 1955, across 730 days with a stored reading.
Which station measures San Juan's temperature?
San Juan/Dominicci Arpt (TJIG), 3 m above sea level. Every figure on this page comes from that one station rather than from a city-wide average, so it is a measurement at a known place rather than an estimate for an area.
What is the highest temperature ever recorded in San Juan?
91.9°F, on 14 October 1955, in the record held for San Juan/Dominicci Arpt. That is the highest daily maximum in the archive for this station, not a national record and not an official figure: those are set by national meteorological services.
What is the lowest temperature ever recorded in San Juan?
64.0°F, on 16 January 1955, in the same archive. Like the high, it is the lowest daily minimum this station has recorded rather than an official national figure.
Sources and checks for this page
Live readings come from METAR reports from the aerodrome at San Juan/Dominicci Arpt. Monthly means and every record on this page are computed from NOAA GHCN-Daily observations stored per station, per year, per month, and the capital list is GeoNames, CC BY 4.0. Nothing here is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. See how this is built.