Monthly weather forecast and climate
Belize City, Belize

The best months for a swim in Belize City, Belize, are March and April, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

January, like December, in Belize City, Belize, is another warm winter month, with average temperature ranging between max 27.6°C (81.7°F) and min 19.5°C (67.1°F). With an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 19.5°C (67.1°F), January is the coldest month. The average heat index in January is estimated at a hot 31.5°C (88.7°F). Weather in January »

February, the last month of the winter, in Belize City, is also a moderately hot month, with average temperature ranging between min 20.1°C (68.2°F) and max 28.3°C (82.9°F). In February, the average high-temperature is almost the same as in January - a still warm 28.3°C (82.9°F). Weather in February »

March, the first month of the spring, in Belize City, is also a moderately hot month, with average temperature ranging between min 21.8°C (71.2°F) and max 29.5°C (85.1°F). An excellent water temperature of 27°C (80.6°F) and only 4.9 rainfall days, with 59.2mm (2.33") of accumulated rainfall, makes March a prime for swimming and other water activities. Weather in March »

April in Belize City, Belize, is a hot spring month, with average temperature ranging between min 23.1°C (73.6°F) and max 30.7°C (87.3°F). An excellent water temperature of 28°C (82.4°F) and only 3.9 rainfall days, with 51.7mm (2.04") of accumulated rainfall, makes April a prime for swimming and other water activities. Weather in April »

The last month of the spring, May, is another tropical month in Belize City, Belize, with average temperature varying between 31.8°C (89.2°F) and 24.2°C (75.6°F). May is the warmest month, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 24.2°C (75.6°F). The average heat index is evaluated at a blistering 43.2°C (109.8°F). Weather in May »

The first month of the summer, June, is still a tropical month in Belize City, Belize, with average temperature fluctuating between 31.3°C (88.3°F) and 24.7°C (76.5°F). In Belize City, the average high-temperature in June is relatively the same as in May - a still tropical 31.3°C (88.3°F). Weather in June »

July, like June, is another tropical summer month in Belize City, Belize, with average temperature fluctuating between 31.1°C (88°F) and 24.3°C (75.7°F). In Belize City, the average high-temperature is practically the same as in June - a still tropical 31.1°C (88°F). Weather in July »

August, the last month of the summer, in Belize City, is also a hot month, with temperature in the range of an average low of 24.2°C (75.6°F) and an average high of 31.3°C (88.3°F). In August, the average high-temperature is relatively the same as in July - a still hot 31.3°C (88.3°F). Weather in August »

The first month of the autumn, September, is still a tropical month in Belize City, Belize, with average temperature fluctuating between 23.9°C (75°F) and 31°C (87.8°F). In September, the average high-temperature is essentially the same as in August - a still hot 31°C (87.8°F). Weather in September »

October, like September, is another hot autumn month in Belize City, Belize, with average temperature fluctuating between 22.7°C (72.9°F) and 30.2°C (86.4°F). In Belize City, the average high-temperature is practically the same as in September - a still hot 30.2°C (86.4°F). Weather in October »

The last month of the autumn, November, is also a moderately hot month in Belize City, Belize, with average temperature ranging between max 29.1°C (84.4°F) and min 21.3°C (70.3°F). In November, the average high-temperature is essentially the same as in October - a moderately hot 29.1°C (84.4°F). Weather in November »

The first month of the winter, December, is still a warm month in Belize City, Belize, with average temperature varying between 20.4°C (68.7°F) and 28°C (82.4°F). In December, the average high-temperature is relatively the same as in November - a still moderately hot 28°C (82.4°F). Weather in December »

What is the coldest month in Belize City?

The coldest month in Belize City is January, with an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 19.5°C (67.1°F).

How many days does it rain in Belize City?

Throughout the year, there are 136.2 rainfall days, and 2013.5mm (79.27") of precipitation is accumulated.

What months are the sea coldest in Belize City?

Through and March, with an average sea temperature of 27°C (80.6°F).

What is the month with the highest UV index in Belize City?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the least humid month in Belize City?

April is the least humid month in Belize City, Belize, with an average relative humidity of 77%.

What is the driest month in Belize City?

The month with the least rainfall in Belize City, Belize, is April when the rain falls for 3.9 days and typically collects 51.7mm (2.04") of precipitation.

What month has the most sunshine in Belize City?

With an average of 8.5h of sunshine, April has the most sunshine of the year.

What is the warmest month in Belize City?

The warmest month in Belize City is May, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 24.2°C (75.6°F).

When is the sea warmest in Belize City?

May through November, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

When are the longest days in Belize City?

With an average of 13.2h of daylight, June has the longest days of the year.

What is the most humid month in Belize City?

August, September, November and December, with an average relative humidity of 84%, are most humid months in Belize City, Belize.

What is the wettest month in Belize City?

September is the month with the most rainfall in Belize City, Belize. Rain falls for 15.9 days and accumulates 286.5mm (11.28") of precipitation.

What is the month with the least sunshine in Belize City?

September has the least sunshine of the year in Belize City, with an average of 5.9h of sunshine.

What is the month with the shortest days in Belize City?

The month with the shortest days in Belize City is December, with an average of 11.1h of daylight.

When is the lowest UV index in Belize City?

December is the month with the lowest UV index, with an average maximum UV index of 8.
Average temperature - Belize City, Belize
Average humidity - Belize City, Belize

Months with the highest relative humidity are August, September, November and December (84%).
The month with the lowest relative humidity is April (77%).

Average rainfall - Belize City, Belize

The wettest month (with the highest rainfall) is September (286.5mm).
The driest month (with the least rainfall) is April (51.7mm).

Average rainfall days - Belize City, Belize

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is April (3.9 days).

Average sea temperature - Belize City, Belize

The best months for swimming (with the highest average sea temperature) are May, June, July, August, September, October and November (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (27°C).

Average daylight / Average sunshine - Belize City, Belize

The month with the longest days is June (Average daylight: 13.2h).
The month with the shortest days is December (Average daylight: 11.1h).

The month with the most sunshine is April (Average sunshine: 8.5h).
The month with the least sunshine is September (Average sunshine: 5.9h).

Average UV index - Belize City, Belize

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).