Panama City weather by month
Panama City runs from about 26°C in November to 28°C in March, with August the wettest month at 388 mm.
warmest month
March
28°C
coolest month
November
26°C
wettest month
August
388 mm
worst air month
May
12 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 28°C | 19 mm | 341 h | 6 |
| February | 28°C | 28 mm | 311 h | 10 |
| March | 28°C | 29 mm | 341 h | 10 |
| April | 28°C | 189 mm | 321 h | 9 |
| May | 27°C | 266 mm | 286 h | 12 |
| June | 27°C | 334 mm | 255 h | 10 |
| July | 26°C | 385 mm | 221 h | 9 |
| August | 26°C | 388 mm | 242 h | 8 |
| September | 26°C | 372 mm | 211 h | 6 |
| October | 26°C | 335 mm | 270 h | 5 |
| November | 26°C | 319 mm | 270 h | 6 |
| December | 26°C | 172 mm | 289 h | 7 |
About 3,358 hours of sun a year. Roughly 251 rainy days a year.
These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.
where these numbers come from
- · Temperature, rainfall and sunshine: ECMWF ERA5 reanalysis climate normals via Open-Meteo (CC BY 4.0), fetched once and stored.
- · PM2.5: Copernicus CAMS reanalysis, monthly means. Modelled, not station readings; near coasts CAMS counts sea salt as PM2.5 and reads high.
Last reviewed 2026-05-22. Full method, licences and the list of sources we rejected are on the methodology page.