Photo by Tommy Cornilleau on Unsplash
Saint-Denis, Reunion is a 190K-resident city with 330 sunny days and 0 frost days annually and an annual PM2.5 of 7.1 µg/m³. The capital and largest city of Reunion.
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Dinner outside
Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 26 | 26 | 26 | 25 | 23 | 21 | 21 | 21 | 22 | 23 | 24 | 25 | 24 |
| Daily mean°C | 24 | 24 | 24 | 23 | 22 | 20 | 19 | 19 | 20 | 21 | 22 | 24 | 22 |
| Daily low°C | 22 | 22 | 22 | 22 | 19 | 17 | 16 | 17 | 17 | 19 | 20 | 22 | 20 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 31 | 31 | 31 | 30 | 28 | 25 | 24 | 25 | 25 | 28 | 29 | 30 | 28 |
| Mean feelsDaily mean feels-like°C | 28 | 28 | 28 | 25 | 22 | 20 | 18 | 20 | 21 | 24 | 26 | 27 | 24 |
| Low feelsDaily low feels-like°C | 22 | 20 | 21 | 19 | 15 | 13 | 11 | 12 | 13 | 16 | 19 | 20 | 17 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 82 | 80 | 81 | 83 | 76 | 77 | 73 | 74 | 70 | 77 | 77 | 77 | 77 |
| Dewpoint°C | 20.7 | 20.3 | 20.6 | 20.1 | 16.7 | 15.5 | 14.1 | 14.0 | 14.4 | 16.5 | 18.0 | 19.1 | 17.5 |
| Precipitation | |||||||||||||
| Rainfallmm | 299 | 129 | 156 | 197 | 57 | 56 | 34 | 43 | 54 | 33 | 74 | 86 | 1217 |
| Rain days≥1mm | 27 | 24 | 25 | 25 | 18 | 19 | 13 | 16 | 16 | 10 | 14 | 22 | 229 |
| Wind | |||||||||||||
| Wind avgm/s | 2.0 | 2.8 | 2.0 | 2.6 | 1.9 | 2.6 | 2.2 | 2.5 | 2.5 | 2.2 | 2.1 | 2.7 | 2.4 |
| Wind gustsm/s | 3.8 | 4.0 | 3.9 | 3.9 | 3.5 | 4.1 | 3.5 | 4.1 | 3.7 | 3.7 | 3.6 | 3.7 | 3.8 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 10.6 | 10.3 | 9.6 | 9.1 | 8.9 | 8.6 | 8.9 | 9.4 | 10.0 | 10.6 | 10.5 | 10.8 | 9.8 |
| Clear skyindex | 30% | 46% | 41% | 45% | 47% | 57% | 55% | 64% | 69% | 57% | 51% | 51% | 51% |
| UV indexmax avg | 11.4 | 12.1 | 10.3 | 8.0 | 6.3 | 5.2 | 5.1 | 6.7 | 8.8 | 10.0 | 11.0 | 11.7 | 8.9 |
Saint-Denis is livable outdoors nearly year-round. 4 months of the year are perfect for all activities. Dinner outside is comfortable 9/12 months — impressive, while walking is comfortable 12/12 months — impressive.
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Air Quality
Saint-Denis reports an annual PM2.5 of 7.1 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Saint-Denis reports an annual PM2.5 of 7.1 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.