March weather forecastChetumal, Mexico

Weather in March

The first month of the spring, March, is still a warm month in Chetumal, Mexico, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 21.4°C (70.5°F).

Temperature

The arrival of March brings an average high-temperature of a still warm 29.8°C (85.6°F), subtly diverging from February's 28.8°C (83.8°F). Chetumal, during March nights, observes an average temperature of 21.4°C (70.5°F).

Heat index

In March, the average heat index is computed to be a torrid 36°C (96.8°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

March is the least humid month in Chetumal, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall is March, when the rain falls for 10.4 days and typically collects 17mm (0.67") of precipitation.

Sea temperature

In Chetumal, the average seawater temperature in March is 26.7°C (80.1°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 Chetumal, the average length of the day in March is 12h and 3min.
On the first day of the month, sunrise is at 7:11 am and sunset at 6:59 pm. On the last day of March, sunrise is at 6:47 am and sunset at 7:06 pm EST.

Sunshine

The average sunshine in March is 8.4h.

UV index

The months with the highest UV index in Chetumal are March through July and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during March translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.