March weather forecastSaint George's, Grenada

March
Weather in March
Transitioning from February to March, Saint George's benefits from incremental improvements across climatic parameters. Visitors will notice a distinct drop in rainfall, and the increase in daylight hours continues apace. March represents spring’s arrival with exceptional weather conditions. The average high temperature settles around 29.4°C (84.9°F), creating an ideal backdrop for vacationers. Subsequently, travelers have described March as an appealing time to experience the beauty of Saint George's.Temperature
Saint George's's shift from February to March is accompanied by an average high-temperature of a still warm 29.4°C (84.9°F), a slight deviation from 28.8°C (83.8°F). Throughout the nights in March, Saint George's notes an average low of 24.4°C (75.9°F), a small dip from the daytime peak.Rainfall
In Saint George's, in March, it is raining for 10 days, with typically 24mm (0.94") of accumulated precipitation. In Saint George's, Grenada, during the entire year, the rain falls for 180 days and collects up to 1451mm (57.13") of precipitation.Sea temperature
The month with the coldest seawater is March, with an average sea temperature of 27.2°C (81°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
In Saint George's, Grenada, the average length of the day in March is 12h and 4min.On the first day of March, sunrise is at 06:21 and sunset at 18:16. On the last day of the month, sunrise is at 06:03 and sunset at 18:18 AST.
Sunshine
The months with the most sunshine in Saint George's are January through May and August, with an average of 8h of sunshine.UV index
February through September, with an average maximum UV index of 12, are months with the highest UV index in Saint George's. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 12 during March morphs into the following directions:
Take every vital safeguard, as unprotected skin and eyes may suffer burns rapidly. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. After a swim or an outdoor workout, generously apply and regularly reapply a sunscreen with at least SPF 30, even if the day is cloudy. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Saint George's, Grenada
- Average high temperature in March: 29.4°C
The warmest months (with the highest average high temperature) are April, May and September (30°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in March: 24.4°C
The month with the highest average low temperature is May (26.6°C).
The coldest months (with the lowest average low temperature) are January and February (23.8°C).
Average rainfall in March
Saint George's, Grenada
- Average rainfall in March: 24.4mm
The wettest month (with the highest rainfall) is August (293.1mm).
The driest month (with the least rainfall) is April (16.3mm).
Average rainfall days in March
Saint George's, Grenada
- Average rainfall days in March: 10 days
The months with the highest number of rainy days are July and November (20 days).
The month with the least rainy days is April (7 days).
Average sea temperature in March
Saint George's, Grenada
- Average sea temperature in March: 27.2°C
The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).
Average daylight in March /
Average sunshine in March
Saint George's, Grenada
- Average daylight in March: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in March: 8h
The months with the most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
The months with the least sunshine are June, July, September, October, November and December (Average sunshine: 7h).
Average UV index in March
Saint George's, Grenada
- Average UV index in March: 12
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).





