Climate averages 1991–2020
Roseau weather
in October.
A hot, wet month: the joint 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Roseau: daytime highs average 28.0°C and nights cool to about 25.9°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 118 mm of rain on roughly 19 days, which makes October a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 48 min on an average October day.
The nearest other city in this atlas is Fort-de-France (85 km away). In October its highs average 28.6°C, 0.6°C warmer than Roseau, with 148 mm of rain.
From October to November, average highs fall by 0.7°C to 27.3°C, and monthly rainfall falls from 118 mm to 101 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Roseau climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.9°C24.2°C | 24.2°C | 31 | 12.0 | 11.311 h |
| February | 25.9°C24.0°C | 24.0°C | 19 | 7.0 | 11.612 h |
| March | 26.3°C24.2°C | 24.2°C | 19 | 6.9 | 12.012 h |
| April | 27.0°C24.7°C | 24.7°C | 29 | 8.3 | 12.512 h |
| May | 27.7°C25.5°C | 25.5°C | 44 | 10.2 | 12.813 h |
| June | 27.9°C25.9°C | 25.9°C | 47 | 10.5 | 13.013 h |
| July | 28.0°C25.8°C | 25.8°C | 76 | 16.4 | 12.913 h |
| August | 28.2°C26.0°C | 26.0°C | 99 | 18.4 | 12.613 h |
| September | 28.3°C26.2°C | 26.2°C | 113 | 17.1 | 12.212 h |
| October, selected | 28.0°C25.9°C | 25.9°C | 118 | 19.1 | 11.812 h |
| November | 27.3°C25.4°C | 25.4°C | 101 | 17.1 | 11.411 h |
| December | 26.5°C24.8°C | 24.8°C | 48 | 14.3 | 11.211 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Fort-de-France in OctoberMartinique · 85 kmHigh 28.6°C · Low 25.9°C · 148 mm rain
- Basse-Terre in OctoberGuadeloupe · 86 kmHigh 29.5°C · Low 26.5°C · 108 mm rain
- Castries in OctoberSaint Lucia · 151 kmHigh 28.6°C · Low 24.9°C · 119 mm rain
- Saint John’s in OctoberAntigua and Barbuda · 208 kmHigh 28.2°C · Low 26.0°C · 132 mm rain
- Kingstown in OctoberSaint Vincent and the Grenadines · 239 kmHigh 28.5°C · Low 26.4°C · 153 mm rain
- Basseterre in OctoberSaint Kitts and Nevis · 264 kmHigh 28.1°C · Low 26.0°C · 125 mm rain
- Bridgetown in OctoberBarbados · 310 kmHigh 28.2°C · Low 26.0°C · 152 mm rain
- Saint George's in OctoberGrenada · 363 kmHigh 28.2°C · Low 26.3°C · 160 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Roseau) is explained once on the Roseau year overview and on the Sources, method and limits page.