Climate averages 1991–2020
Saint John’s weather
in April.
A warm, fairly dry month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Saint John’s: daytime highs average 27.2°C and nights cool to about 24.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 33 mm of rain on roughly 9 days, which makes April a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average April day.
The nearest other city in this atlas is Basseterre (96 km away). In April its highs average 26.8°C, about as warm as Saint John’s, with 33 mm of rain.
From April to May, average highs rise by 0.7°C to 27.9°C, and monthly rainfall rises from 33 mm to 62 mm.
The annual picture
April 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
Saint John’s climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.2°C24.2°C | 24.2°C | 32 | 10.0 | 11.211 h |
| February | 26.2°C24.0°C | 24.0°C | 21 | 7.1 | 11.612 h |
| March | 26.5°C24.1°C | 24.1°C | 21 | 6.6 | 12.012 h |
| April, selected | 27.2°C24.6°C | 24.6°C | 33 | 8.8 | 12.513 h |
| May | 27.9°C25.4°C | 25.4°C | 62 | 12.4 | 12.913 h |
| June | 28.5°C26.0°C | 26.0°C | 51 | 12.1 | 13.113 h |
| July | 28.6°C26.1°C | 26.1°C | 78 | 15.9 | 13.013 h |
| August | 28.8°C26.3°C | 26.3°C | 98 | 17.8 | 12.713 h |
| September | 28.7°C26.2°C | 26.2°C | 127 | 18.0 | 12.212 h |
| October | 28.2°C26.0°C | 26.0°C | 132 | 18.8 | 11.812 h |
| November | 27.5°C25.4°C | 25.4°C | 103 | 15.8 | 11.311 h |
| December | 26.7°C24.8°C | 24.8°C | 57 | 13.3 | 11.111 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
April in nearby cities
- Basseterre in AprilSaint Kitts and Nevis · 96 kmHigh 26.8°C · Low 24.5°C · 33 mm rain
- Basse-Terre in AprilGuadeloupe · 126 kmHigh 28.8°C · Low 25.0°C · 30 mm rain
- Roseau in AprilDominica · 208 kmHigh 27.0°C · Low 24.7°C · 29 mm rain
- Fort-de-France in AprilMartinique · 292 kmHigh 28.1°C · Low 24.9°C · 38 mm rain
- Castries in AprilSaint Lucia · 359 kmHigh 28.4°C · Low 24.0°C · 36 mm rain
- Kingstown in AprilSaint Vincent and the Grenadines · 446 kmHigh 27.9°C · Low 25.6°C · 33 mm rain
- Carolina in AprilPuerto Rico · 458 kmHigh 29.6°C · Low 22.5°C · 72 mm rain
- Caguas in AprilPuerto Rico · 462 kmHigh 28.9°C · Low 22.4°C · 86 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 Saint John’s) is explained once on the Saint John’s year overview and on the Sources, method and limits page.