Chetumal, Quintana Roo Weather by Month and Climate Averages

How much rain does Chetumal get?

Chetumal gets 1131 mm of precipitation in an average year, spread over about 99 days with measurable rain. That is more rainy days than 86% of Mexico.

October is the wettest month, with 191 mm. February is the driest, with 18 mm. October has the most rainy days, about 14.

The longest dry spell in the last five years lasted 30 days, to March 21, 2024.

Chetumal weather by month

Chetumal weather in January

In January, Chetumal averages a high of 31°C and a low of 18°C. It gets 56 mm of precipitation over about 7 rainy days. The sun is out about 58% of daylight hours. The January record high is 35°C (1996) and the record low is 9°C (1996).

Chetumal weather in February

In February, Chetumal averages a high of 31°C and a low of 19°C. It gets 18 mm of precipitation over about 4 rainy days. The sun is out about 67% of daylight hours. The February record high is 37°C (2013) and the record low is 8°C (1995).

Chetumal weather in March

In March, Chetumal averages a high of 32°C and a low of 21°C. It gets 22 mm of precipitation over about 3 rainy days. The sun is out about 68% of daylight hours. The March record high is 38°C (2024) and the record low is 7°C (1986).

Chetumal weather in April

In April, Chetumal averages a high of 33°C and a low of 23°C. It gets 32 mm of precipitation over about 3 rainy days. The sun is out about 61% of daylight hours. The April record high is 38°C (2010) and the record low is 12°C (1987).

Chetumal weather in May

In May, Chetumal averages a high of 34°C and a low of 24°C. It gets 78 mm of precipitation over about 6 rainy days. The sun is out about 46% of daylight hours. The May record high is 39°C (1988) and the record low is 18°C (1992).

Chetumal weather in June

In June, Chetumal averages a high of 34°C and a low of 25°C. It gets 167 mm of precipitation over about 11 rainy days. The sun is out about 35% of daylight hours. The June record high is 40°C (1982) and the record low is 18°C (2005).

Chetumal weather in July

In July, Chetumal averages a high of 34°C and a low of 24°C. It gets 121 mm of precipitation over about 10 rainy days. The sun is out about 36% of daylight hours. The July record high is 39°C (1984) and the record low is 20°C (1979).

Chetumal weather in August

In August, Chetumal averages a high of 34°C and a low of 24°C. It gets 119 mm of precipitation over about 11 rainy days. The sun is out about 37% of daylight hours. The August record high is 39°C (2014) and the record low is 19°C (2009).

Chetumal weather in September

In September, Chetumal averages a high of 34°C and a low of 24°C. It gets 172 mm of precipitation over about 13 rainy days. The sun is out about 33% of daylight hours. The September record high is 40°C (1986) and the record low is 16°C (1992).

Chetumal weather in October

In October, Chetumal averages a high of 33°C and a low of 23°C. It gets 191 mm of precipitation over about 14 rainy days. The sun is out about 36% of daylight hours. The October record high is 38°C (2009) and the record low is 14°C (1990).

Chetumal weather in November

In November, Chetumal averages a high of 32°C and a low of 20°C. It gets 115 mm of precipitation over about 10 rainy days. The sun is out about 46% of daylight hours. The November record high is 39°C (2000) and the record low is 10°C (2006).

Chetumal weather in December

In December, Chetumal averages a high of 31°C and a low of 19°C. It gets 41 mm of precipitation over about 7 rainy days. The sun is out about 48% of daylight hours. The December record high is 39°C (2004) and the record low is 8°C (1980).

Sunshine, humidity and wind in Chetumal

March is the sunniest month in Chetumal, with sunshine about 68% of daylight hours. September is the cloudiest, at 33%. Over the year the sun shines about 48% of daylight hours. Chetumal is cloudier than 68% of Mexico.

Humidity peaks in November at 84% and is lowest in April at 75%.

Chetumal has about 131 days a year above 32°C. Chetumal is hotter than 63% of Mexico.

Chetumal weather records

The hottest temperature on record at the Chetumal station is 40°C, on June 18, 1982. The coldest is 7°C, on March 2, 1986.

The wettest day on record brought 254 mm of rain, on April 14, 1977.

15 all-time records have been set at the station since 1973.

The best time to visit Chetumal

Winter (December–February) is hot, with average highs around 31°C and lows near 19°C.

Spring (March–May) is hot, with average highs around 33°C and lows near 23°C.

Summer (June–August) is hot, with average highs around 34°C and lows near 25°C. It can feel humid.

Autumn (September–November) is hot, with average highs around 33°C and lows near 22°C.

Chetumal climate questions

How much rain does Chetumal get?

Chetumal gets 1131 mm of precipitation in an average year, over about 99 rainy days.

What is the wettest month in Chetumal?

October is the wettest month in Chetumal, with 191 mm. February is the driest, with 18 mm.

How many rainy days does Chetumal have a year?

Chetumal has about 99 days with measurable rain in an average year. October has the most, about 14.

What is the hottest month in Chetumal?

July is the warmest month in Chetumal, with an average high of 34°C.

What is the coldest month in Chetumal?

January is the coldest month in Chetumal, with an average low of 18°C.

What is the record high temperature in Chetumal?

The record high at the Chetumal station is 40°C, set on June 18, 1982. The record low is 7°C, on March 2, 1986.

What is the sunniest month in Chetumal?

March is the sunniest month in Chetumal, with sunshine about 68% of daylight hours. September is the cloudiest.