March weather forecastGrantham, Jamaica
March
Weather in March
The first month of the spring, March, is still a warm month in Grantham, Jamaica, with an average temperature ranging between min 20.7°C (69.3°F) and max 29°C (84.2°F).Temperature
As Grantham transitions from February to March, the average high-temperatures adjust to a still moderately hot 29°C (84.2°F), nearly the same as the previous 28.8°C (83.8°F). In Grantham, the average temperature during the nights of March drops to an agreeable 20.7°C (69.3°F).Heat index
The heat index value for March is computed to be a tropical 34°C (93.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The months with the lowest humidity are March, July and August, with an average relative humidity of 77%.Rainfall
In Grantham, during March, the rain falls for 20.7 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, in Grantham, there are 265.1 rainfall days, and 806mm (31.73") of precipitation is accumulated.Daylight
In Grantham, Jamaica, the average length of the day in March is 12h and 3min.On the first day of March in Grantham, sunrise is at 06:25 and sunset at 18:13. On the last day of the month, sunrise is at 06:01 and sunset at 18:21 EST.
Sunshine
In March, the average sunshine in Grantham is 8.5h.UV index
The months with the lowest UV index in Grantham, Jamaica, are January through April, September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during March translates into the following guidance:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Grantham, Jamaica
- Average high temperature in March: 29°C
The warmest months (with the highest average high temperature) are July and August (31.7°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in March: 20.7°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in March
Grantham, Jamaica
- Average pressure in March: 1015.2mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed in March
Grantham, Jamaica
- Average wind speed in March: 7.4km/h
The windiest month (with the highest average wind speed) is June (9km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity in March
Grantham, Jamaica
- Average humidity in March: 77%
The months with the highest relative humidity are October, November and December (81%).
The months with the lowest relative humidity are March, July and August (77%).
Average rainfall in March
Grantham, Jamaica
- Average rainfall in March: 37mm
The wettest month (with the highest rainfall) is October (123mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in March
Grantham, Jamaica
- Average rainfall days in March: 20.7 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is February (19.2 days).
Average daylight in March /
Average sunshine in March
Grantham, Jamaica
- Average daylight in March: 12h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in March: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in March
Grantham, Jamaica
- Average sunshine days in March: 5.8 days
The month with the most sunshine days is January (6 days).
The month with the least sunshine days is October (1.5 days).
Average UV index in March
Grantham, Jamaica
- Average UV index in March: 6
The months with the highest UV index are May, June, July, August and October (UV index 7).
The months with the lowest UV index are January, February, March, April, September, November and December (UV index 6).
Average cloud cover in March
Grantham, Jamaica
- Average cloud cover in March: 32
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in March
Grantham, Jamaica
- Average visibility in March: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
