Petra weather by month
Petra runs from about 11°C in February to 29°C in June, with January the wettest month at 38 mm.
warmest month
June
29°C
coolest month
February
11°C
wettest month
January
38 mm
worst air month
January
15 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 11°C | 38 mm | 300 h | 15 |
| February | 11°C | 25 mm | 288 h | 15 |
| March | 15°C | 26 mm | 339 h | 12 |
| April | 20°C | 13 mm | 361 h | 14 |
| May | 22°C | 1 mm | 400 h | 11 |
| June | 29°C | 0 mm | 395 h | 8 |
| July | 28°C | 0 mm | 409 h | 9 |
| August | 27°C | 0 mm | 396 h | 12 |
| September | 24°C | 0 mm | 345 h | 11 |
| October | 20°C | 0 mm | 339 h | 9 |
| November | 15°C | 14 mm | 294 h | 15 |
| December | 11°C | 21 mm | 286 h | 9 |
About 4,152 hours of sun a year. Roughly 14 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 2026-05-23. Full method, licences and the list of sources we rejected are on the methodology page.