Climate and monthly weather forecast
Belize City, Belize


The climate of Belize City

Occupying a unique geographical position at the continental intersection, Belize City is governed by the conditions of a 'Tropical Monsoon' climate as denoted by the Köppen climate classification. The city is no stranger to meticulous weather patterns, with the temperature oscillating from a relative minimalists 19.5°C (67.1°F) in January to soaring mercury levels reaching 31.8°C (89.2°F) in May. The tropical heat is coupled with relatively high humidity levels, ranging from 77% in April to as high as 84% from August to December.

Rainfall presents a compelling narrative, offering a considerable fluctuation between a high of 287mm (11.3") in September and a reduced 52mm (2.05") in April. Belize City is also known for its significant number of rainy days, with the maximum of 16.3 days in July, and a minimum of 3.9 days in April.

Among the climatological parameters, sea temperature maintains a steady profile, cycling between 27°C (80.6°F) in the initial months of the year to 29°C (84.2°F) from May to November. Sunshine hours revolve from a high of 8.5 hours in April to 5.9 hours during September, mirroring a direct correlation with daylight hours, hitting a peak of 13.2 hours in June and a decline to 11.1 hours in December.

The best time to visit Belize City

Planning a visit to Belize City is largely governed by individual weather preferences. However, considering the climatological parameters, the period from March to May emerges as the most inviting window to revel in the city's offerings. The temperatures during these months maintain a warm spectrum, with lows confined to 23.1°C (73.6°F) and highs reaching 31.8°C (89.2°F). These months also witness a dip in rainfall, creating favourable conditions for outdoor activities with rainfall oscillating within 52mm (2.05") to 105mm (4.13"). A noteworthy mention is the sea temperature, that touches a comfortable 29°C (84.2°F), conducive for indulging in water-based activities.

The worst time to visit Belize City

While Belize City assures year-round charm, the months of July through October can prove to be challenging for some visitors. This period marks the highest rainfall with September witnessing an overwhelming 287mm (11.3"). Concurrently, the city also experiences a rise in humidity from 82% in June to 84% between August and November, enhancing the perspiration index. Even the sea temperature remains consistent at 29°C (84.2°F), which could prove to be slightly stifling for some. These weather parameters clubbed together, make July to October less favorable for touristic activities.

Spring weather in Belize City

Spring in Belize City, between February and April, is distinguished by a gradual rise in temperature from 28.3°C (82.9°F) to 30.7°C (87.3°F). The transition period also showcases a dip in humidity from 82% to 77%, the lowest in the year. Concurrently, rainfall levels exhibit a downward trend, reducing from 73mm (2.87") in February to 52mm (2.05") in April, the lowest annual rainfall making spring relatively dry and the most suitable time for outdoor expedition.

Summer weather in Belize City

The summer season, spanning May to July, witnesses an escalation in temperature from 31.8°C (89.2°F) to 31.1°C (88°F). It also highlights an increasing pattern in rainfall, hastily jumping from 105mm (4.13") in May to a substantial 244mm (9.61") by July. The combination of these parameters, including a higher humidity range from 79% in May to 83% in July, contributes to an often sultry and wet summer experience.

Autumn weather in Belize City

Autumn in Belize City is characterized by a slight decrease in temperature, with numbers fluctuating between 31.3°C (88.3°F) and 29.1°C (84.4°F) from August to November. However, the city registers record rainfall levels within this period, peaking in September with precipitation of 287mm (11.3"). The humidity too stands at 84%, making autumn a period of high moisture content and a closed curtains affair.

Winter weather in Belize City

Winter months in Belize City, spanning December to February, exhibit a mild dip in temperature varying between 28°C (82.4°F) and 27.6°C (81.7°F). The rainfall subsides considerably from 176mm (6.93") in December to 138mm (5.43") by January or February, with an average of 12 rainy days per month. The humidity levels maintain a high at 84%, which mingles well with the mellow temperature, lending a misty and soothing ambiance to winter.

Weather in January

January in Belize City is welcomed with a slight chill in the air. This makes it an excellent time for tourists preferring lower temperatures and fewer crowds. The month also experiences noteworthy rainfall of 138mm (5.43"), making the air fresher and the lush landscape greener. Weather in January »

Weather in February

Transitioning to February, there is a significant decrease in rainfall, with drier conditions prevailing throughout Belize City. The temperatures also increase marginally, nudging the spectrum towards a slightly warmer climate. Weather in February »

Weather in March

March marks the onset of Belize City's warm season, characterized by rising temperatures and reducing rainfall. This weather pattern aligns perfectly with activities that thrive in tropical climates. Under the glowing sun, providing a charming 7.7 hours of sunshine daily, the city invites nature lovers to enjoy its grandeur. Weather in March »

Weather in April

April sees further escalation in temperatures, reinforcing Belize City's tropical climate. This period remains inviting for thrill-seekers who relish water sports and adventure activities. April showcases less humidity compared to preceding months, adding a comfortable element to the warm days. Weather in April »

Weather in May

The climate in May moves towards its hottest phase, recording high temperatures and humidity levels. Despite this, Belize City manifests itself beautifully under clear blue skies that dominate most days. An increase in average rainfall to 105mm (4.13") revitalizes the city's natural beauty and ensures the flora thrives. Weather in May »

Weather in June

June introduces Belize City's wet season as it documents the highest rainfall of the year at 258mm (10.16"). Concurrently, the temperatures drop slightly, giving the citizens a break from the previous month's intense heat. Despite the heavy showers, the city continues to radiate its charm under intermittent sunny skies. Weather in June »

Weather in July

Belize City in July continues its wet spell, with abundant rainfall and intermittent sunshine. The overall temperatures remain high, characteristic of tropical climates, but become more manageable due to frequent showers. July witnesses a scenic transformation where the cityscape glistens under the rain, setting the stage for picturesque views. Weather in July »

Weather in August

Transitioning into August, Belize City experiences a slight reduction in rainfall while retaining a warm, tropical climate. The comparatively drier condition provides more comfortable days for exploring the city outdoors. Daylights extend up to 12.7 hours, offering plenty of sunshine to brighten up the city. Weather in August »

Weather in September

September brings an escalation in rainfall, with Belize City recording 287mm (11.3"), the second-highest after June. Consequently, this month witnesses fewer sunny days, but the city remains buzzing with indoor activities and attractions. Weather in September »

Weather in October

October signals some respite from rain, although regular rainfall persists throughout Belize City. However, the cooler temperatures and calming showers result in comforting weather for inhabitants. Festivity lights up the city despite overcast skies, and the drop in sea temperatures does not deter beachgoers. Weather in October »

Weather in November

November witnesses a relief from the significant rainfall experienced over the past few months in Belize City. The city's weather becomes pleasant, with balanced temperatures and manageable humidity levels. This makes the climate suitable for a wide range of outdoor activities and sightseeing. Weather in November »

Weather in December

December marks the end of the year with reasonably warm weather and lower rainfall in Belize City. The city glows under the winter sun, allowing enjoyable outdoor activities during extended daylight hours of 11.1. A slight drop in average temperatures to 28°C (82.4°F) and 20.4°C (68.7°F), high and low respectively, sets a relatively cooler ambience. Weather in December »

Frequently asked questions

What part of the year is the coldest?

The month of January sees the average lowest temperatures, reaching 27.6°C (81.7°F) at the peak and 19.5°C (67.1°F) at the low.

How much does it rain?

In Belize City, during the entire year, the rain falls for 136.2 days and collects up to 2014mm (79.29") of precipitation.

When is the sea coldest?

The months with the coldest seawater are January through March, with an average sea temperature of 27°C (80.6°F).

What are the months with the highest UV index?

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

What is the least humid month?

With an average relative humidity of 77%, April is the least humid month.

What is the driest month?

The month with the least rainfall is April, when the rain falls for 3.9 days and typically collects 52mm (2.05") of precipitation.

What month has the most sunshine?

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

What part of the year is the hottest?

Temperature records mark May as the warmest month, with highs averaging 31.8°C (89.2°F) and lows at 24.2°C (75.6°F).

What months are the sea warmest?

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?

June has the longest days of the year, with an average of 13h and 12min of daylight.

What is the most humid month?

The months with the highest humidity are August, September, November and December, with an average relative humidity of 84%.

What is the wettest month?

The month with the most rainfall is September, when the rain falls for 15.9 days and typically aggregates up to 287mm (11.3") of precipitation.

What is the month with the least sunshine?

The month with the least sunshine is September, with an average of 5.9h of sunshine.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 11h and 6min of daylight.

Is there Daylight Saving Time (DST)?

Belize City, Belize, does not observe Daylight Saving Time (DST). CST timezone is used throughout the entire year.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 8.

Average temperature
Belize City, Belize

Average temperature - Belize City, Belize

The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (27.6°C).

The month with the highest average low temperature is June (24.7°C).
The coldest month (with the lowest average low temperature) is January (19.5°C).

Average humidity
Belize City, Belize

Average humidity - Belize City, Belize

The 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

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

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

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

Average daylight / Average sunshine - Belize City, Belize

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 6min).

The month with the most sunshine is April (Average sunshine: 8h and 30min).
The month with the least sunshine is September (Average sunshine: 5h and 54min).

Average UV index
Belize City, Belize

Average UV index - Belize City, Belize

The 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).

Belize City, Belize

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