Climate averages 1991–2020
Roseau weather
in June.
A warm, moderately wet month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Roseau: daytime highs average 27.9°C and nights cool to about 25.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 47 mm of rain on roughly 11 days, which makes June a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 01 min on an average June day.
The nearest other city in this atlas is Fort-de-France (85 km away). In June its highs average 28.8°C, 0.8°C warmer than Roseau, with 83 mm of rain.
From June to July, average highs rise by 0.1°C to 28.0°C, and monthly rainfall rises from 47 mm to 76 mm.
The annual picture
June 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, selected | 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 | 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
June in nearby cities
- Fort-de-France in JuneMartinique · 85 kmHigh 28.8°C · Low 25.9°C · 83 mm rain
- Basse-Terre in JuneGuadeloupe · 86 kmHigh 30.0°C · Low 26.4°C · 45 mm rain
- Castries in JuneSaint Lucia · 151 kmHigh 28.8°C · Low 25.0°C · 65 mm rain
- Saint John’s in JuneAntigua and Barbuda · 208 kmHigh 28.5°C · Low 26.0°C · 51 mm rain
- Kingstown in JuneSaint Vincent and the Grenadines · 239 kmHigh 28.4°C · Low 26.3°C · 93 mm rain
- Basseterre in JuneSaint Kitts and Nevis · 264 kmHigh 28.2°C · Low 26.0°C · 47 mm rain
- Bridgetown in JuneBarbados · 310 kmHigh 28.2°C · Low 26.0°C · 88 mm rain
- Saint George's in JuneGrenada · 363 kmHigh 27.9°C · Low 25.9°C · 117 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.