March weather forecast
Chetumal, Mexico

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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.
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Frequently asked questions

How hot is it in Chetumal in March?

In Chetumal, 29.8°C (85.6°F) is the average high-temperature and 21.4°C (70.5°F) is the average low-temperature during March. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in March is computed to be 36°C (96.8°F).

What is the least humid month in Chetumal?

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

What is the average humidity in March in Chetumal?

The average relative humidity in March in Chetumal is 74%.

What is the driest month in Chetumal?

March is the month with the least rainfall in Chetumal, Mexico. Rain falls for 10.4 days and accumulates 17mm (0.67") of precipitation.

How many days does it rain in March in Chetumal?

In Chetumal, in March, it is raining for 10.4 days, with typically 17mm (0.67") of accumulated precipitation.

What is the water temperature in March in Chetumal?

In March, the average sea temperature in Chetumal is 26.7°C (80.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in March in Chetumal?

In Chetumal, Mexico, the average day length in March is 12h and 3min.

What time are sunrise and sunset in March in Chetumal?

In March, on the first day of the month, sunrise is at 7:11 am and sunset at 6:59 pm. On the last day of the month, in Chetumal, Mexico, sunrise is at 6:47 am and sunset at 7:06 pm EST.

How many hours of sunshine does Chetumal have in March?

In Chetumal, Mexico, the average sunshine duration in March is 8.4h.

When is the highest UV index in Chetumal?

The months with the highest UV index are March through July and September, with an average maximum UV index of 7.

What is the UV index intensity in March in Chetumal?

In Chetumal, the average daily maximum UV index in March is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in March
Chetumal, Mexico

Average temperature in March - Chetumal, Mexico
  • Average high temperature in March: 29.8°C

The warmest months (with the highest average high temperature) are May and August (31.8°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in March: 21.4°C

The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

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Average pressure in March
Chetumal, Mexico

Average pressure in March - Chetumal, Mexico
  • Average pressure in March: 1014.7mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1011.1mbar).

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Average wind speed in March
Chetumal, Mexico

Average wind speed in March - Chetumal, Mexico
  • Average wind speed in March: 10.2km/h

The windiest month (with the highest average wind speed) is April (10.4km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).

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Average humidity in March
Chetumal, Mexico

Average humidity in March - Chetumal, Mexico
  • Average humidity in March: 74%

The months with the highest relative humidity are October and December (82%).
The month with the lowest relative humidity is March (74%).

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Average rainfall in March
Chetumal, Mexico

Average rainfall in March - Chetumal, Mexico
  • Average rainfall in March: 17mm

The wettest month (with the highest rainfall) is June (124mm).
The driest month (with the least rainfall) is March (17mm).

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Average rainfall days in March
Chetumal, Mexico

Average rainfall days in March - Chetumal, Mexico
  • Average rainfall days in March: 10.4 days

The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is April (10.1 days).

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Average sea temperature in March
Chetumal, Mexico

Average sea temperature in March - Chetumal, Mexico
  • Average sea temperature in March: 26.7°C

The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is January (26.2°C).

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Average daylight in March /
Average sunshine in March
Chetumal, Mexico

Average daylight in March / Average sunshine in March - Chetumal, Mexico
  • Average daylight in March: 12h and 1min

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 0min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is April (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 36min).

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Average sunshine days in March
Chetumal, Mexico

Average sunshine days in March - Chetumal, Mexico
  • Average sunshine days in March: 17.7 days

The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (4.8 days).

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Average UV index in March
Chetumal, Mexico

Average UV index in March - Chetumal, Mexico
  • Average UV index in March: 7

The months with the highest UV index are March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, February, August, October, November and December (UV index 6).

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Average cloud cover in March
Chetumal, Mexico

Average cloud cover in March - Chetumal, Mexico
  • Average cloud cover in March: 37

The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is April (Cloud cover 35).

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Average visibility in March
Chetumal, Mexico

Average visibility in March - Chetumal, Mexico
  • Average visibility in March: 10km

The months with the highest visibility are March and April (10km).
The months with the lowest visibility are October and November (8km).

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Chetumal, Mexico

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