Climate normals · 1970–2000
Guaynabo Climate
Guaynabo is a city in Puerto Rico (US) (061) with a population of about 81,360. Its average annual temperature is 26°C (79°F), with roughly 1800 mm of rain per year.
26°C
Avg Temp
1800
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Guaynabo Climate
Guaynabo has an average annual temperature of 26°C (79°F) and receives about 1800 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
26°C
Avg Temp
1800
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 24° / 75° | 121 mm |
| February | 24° / 76° | 80 mm |
| March | 25° / 76° | 87 mm |
| April | 26° / 78° | 113 mm |
| May | 27° / 80° | 193 mm |
| June | 27° / 81° | 139 mm |
| July | 27° / 81° | 169 mm |
| August | 27° / 81° | 199 mm |
| September | 27° / 81° | 169 mm |
| October | 27° / 80° | 173 mm |
| November | 26° / 79° | 195 mm |
| December | 25° / 76° | 162 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Guaynabo
The most comfortable months to visit Guaynabo are typically February, March and January, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 32°C high). The coldest is January (near 19°C low). August is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Guaynabo are typically February, March and January, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Guaynabo, Puerto Rico (US) has an average annual temperature of 26°C and about 1800 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Guaynabo average about 32°C (90°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.