March weather forecast
Merida, Mexico

The month of March ushers in Merida's warm season. The notable rise in temperature, reaching up to 32.4°C (90.3°F), commences the beginning of hot weather. The city experiences increased daylight hours and more sunshine, leading to longer and warmer days. March's overall weather is a blend of higher temperatures and decreasing rainfall. This month is ideal for those who prefer the warmer weather despite the potentially high UV index.

Temperature

Merida signifies an average high-temperature of a still hot 32.4°C (90.3°F) in March, closely mirroring the 30.6°C (87.1°F) of February. Merida sees a major change from daytime highs, with the nighttime temperature dipping to an agreeable 20.2°C (68.4°F) on average during March.

Heat index

March's heat index is estimated at a very hot 39°C (102.2°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In Merida, the average relative humidity in March is 64%.

Rainfall

The months with the least rainfall are February and March Rain falls for 7.2 days and accumulates 12mm (0.47") of rain.

Daylight

The average length of the day in March in Merida, Mexico, is 12h and 2min.
On the first day of March, sunrise is at 6:17 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:12 pm CST.

Sunshine

In Merida, Mexico, the average sunshine in March is 9.3h.

UV index

February through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 during March translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.