Climate averages 1991–2020
Saint John’s weather
in March.
A warm, fairly dry month: the 10th warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Saint John’s: daytime highs average 26.5°C and nights cool to about 24.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 21 mm of rain on roughly 7 days, which makes March a fairly dry month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 02 min on an average March day.
The nearest other city in this atlas is Basseterre (96 km away). In March its highs average 26.1°C, about as warm as Saint John’s, with 20 mm of rain.
From March to April, average highs rise by 0.7°C to 27.2°C, and monthly rainfall rises from 21 mm to 33 mm.
The annual picture
March 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, selected | 26.5°C24.1°C | 24.1°C | 21 | 6.6 | 12.012 h |
| April | 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
March in nearby cities
- Basseterre in MarchSaint Kitts and Nevis · 96 kmHigh 26.1°C · Low 24.0°C · 20 mm rain
- Basse-Terre in MarchGuadeloupe · 126 kmHigh 28.0°C · Low 24.3°C · 19 mm rain
- Roseau in MarchDominica · 208 kmHigh 26.3°C · Low 24.2°C · 19 mm rain
- Fort-de-France in MarchMartinique · 292 kmHigh 27.5°C · Low 24.3°C · 26 mm rain
- Castries in MarchSaint Lucia · 359 kmHigh 27.7°C · Low 23.5°C · 26 mm rain
- Kingstown in MarchSaint Vincent and the Grenadines · 446 kmHigh 27.2°C · Low 25.0°C · 23 mm rain
- Carolina in MarchPuerto Rico · 458 kmHigh 28.9°C · Low 21.7°C · 39 mm rain
- Caguas in MarchPuerto Rico · 462 kmHigh 28.2°C · Low 21.6°C · 55 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.