The climate of Belmopan
Belmopan, capital of
Belize, falls within the Am or Tropical Monsoon category of the Köppen climate classification, establishing the city's all-year-round warm and humid weather condition. The city's geographical position in the subtropical region near the equator contributes to these prevailing weather conditions. Average monthly temperatures fluctuate moderately with a range from 17.8°C (64°F) in the cooler months to as high as 32.6°C (90.7°F) in warmer months.
An interesting feature of Belmopan's climate is rainfall, which shows distinctive seasonal patterns. Total monthly rainfall varies significantly from 26mm (1.02") in the relative dry periods to a considerably hefty 127mm (5") in the wetter months. These fluctuations also bring variable rainy days, with the highest number reaching 27.3 days, whilst the driest month records just 15.5 rainy days.
Belmopan's relative humidity mirrors the tropical climate's character; it remains high throughout the year, varying from 77% to 88%. Solar radiation duration, expressed as sunshine hours, also sees slight monthly variations from 5.3 hours to almost doubling that at 9.7 hours.
The Best Time to Visit Belmopan
Visitors with preferences for milder temps and drier experiences should consider visiting
Belmopan from
February to
April. During these months the city experiences lesser rain, averaging between 26mm (1.02") and 32mm (1.26"). Relative humidity tends to be lower on the scale as well, reaching a yearly low point of 77% in April. Highlights during these sunny months include an average of 9.7 hours of sunshine in a day in April and outdoor friendly temperatures, with daily maximums generally staying under 30°C (86°F). This period also witnesses less cloud cover, enhancing visibility over the city's landscapes.
The Worst Time to Visit Belmopan
Trip planners aiming to avoid excessive rainfall should avoid the months from
June to
September. This period represents the peak rainy season in
Belmopan, with persistent rainfall patterns reflecting the highest monthly average of 127mm (5") in June. Also, the number of rainy days shoots up to an average of 27.3 days in September. Coinciding with this, the relative humidity stays quite sticky at around 84% to 85%. Lighter winds during these periods might also reduce comfort levels for visitors used to breezier climates.
Spring Weather in Belmopan
From
March to
May,
Belmopan transitions into mild tropical heat. Maximum temperatures climb to 32.6°C (90.7°F) and nights remain pleasantly warm, bottoming out at around 21.3°C (70.3°F). Spring in the city witnesses moderate rainfall, with the monthly average ascending from 26mm (1.02") to 80mm (3.15"). Longer daylight hours, peeking at 13 hours, accompanied by slightly higher sunshine durations and lesser clouds, make this a bright season. However, visitors should be prepared for an uptick in humidity levels, settling at around 79%.
Summer Weather in Belmopan
Summer in
Belmopan, defined from
June to
August, is characterized by a mixture of tropical warmth and significant rainfall. This season sees the temperatures remaining high with average highs swinging between 31.1°C (88°F) and 31.8°C (89.2°F), while lows generally hover above 22°C (71.6°F). Changes in rainfall during these months are pronounced, shooting up to 127mm (5") in June before gradually tapering off to 92mm (3.62"). Meanwhile, daylight hours extend to 13.2 hours, creating plenty of opportunities for outside activities despite the higher rain frequency.
Autumn Weather in Belmopan
Autumn months,
September through
November, see temperatures gradually falling from 31.4°C (88.5°F) in September to 27.9°C (82.2°F) in November. Evenings too get cooler with low temperatures declining from 22.2°C (72°F) and down to 19.1°C (66.4°F). Despite a reduction in daylight hours to about 11.3 hours, sunshine hours witness a slow decline, resulting in still considerable sunny spells. Rainfall remains high in this season, particularly in September and
October with over 100mm (3.94") precipitation measures.
Winter Weather in Belmopan
During the winter months of
December through
February,
Belmopan experiences soothing temperatures and a relative respite from pervasive rainfall. The daytime temperatures drift down to pleasant levels, with averages ranging between 26.4°C (79.5°F) and 28.2°C (82.8°F), while nights get cooler with lowest temperatures falling around 18.4°C (65.1°F). The rainfall averages a manageable 43mm (1.69") in December, offering residents and visitors alike drier days to engage in outdoor activities.
Weather in January
As the year begins, humidity levels are noticed to be relatively high in
Belmopan,
Belize. This first month of the year experiences an elevation in the outstanding average temperature, compared to the cooler conditions from
December, granting residents a warmer start to the year.
Weather in January »Weather in February
February brings along slightly warmer weather conditions in
Belmopan,
Belize. Compared to
January, the city sees a mild lift in overall average temperatures. The noticeably unique factor during this second month of the year is the spike in both maximum temperature and minimum temperature, the latter rising to 18.6°C (65.5°F).
Weather in February » Weather in March
March demonstrates a transition from the winter-like climate towards the hotter seasons in
Belmopan,
Belize. The subtle progress of temperature from
February carries over to this month. Furthermore, this leads to a concurrent decrease in relative humidity levels from the prior months.
Weather in March »
Weather in April
April announces the arrival of warmer weather in
Belmopan,
Belize. This month sees temperatures continuing its gradual incline from
March. Notably, it features one of the warmest average highs for the year, scaling up to an astonishing 32.6°C (90.7°F).
Weather in April » Weather in May
The climate in
May reflects peak summer characteristics in
Belmopan,
Belize. Climbing from
April, temperature averages stay consistent, while the city experiences the longest daylight hours so far. May is also distinctive for having the highest rainfall volume of the year, reaching a significant total of 80mm (3.15").
Weather in May »Weather in June
Varying weather conditions mark
June in
Belmopan,
Belize. Compared to
May, the temperature averages a minor dip, implying a hint of respite from the summer high. This month is noteworthy for its culmination of the highest number of rainfall days, amounting to 26.3 days.
Weather in June »
Weather in July
July in
Belmopan,
Belize, offers weather conditions that blend elements of both summer and monsoon. The city sees a trivial increase in the average weather conditions from
June. Furthermore, July witnesses a minor drop in the maximum temperature count to 31°C (87.8°F).
Weather in July » Weather in August
August continues the monsoon trend in
Belmopan,
Belize, although with a slightly warmer temperature profile than
July. The month experiences a trivial elevation in the average low temperature, making the nights slightly warmer. The monsoon rains reach their peak volume, with an impressive accumulation of 92mm (3.62").
Weather in August » Weather in September
September ushers in the last phase of significant monsoon conditions in
Belmopan,
Belize. The temperature structure experiences a minor decline from
August, indicating the impending arrival of cooler days. An intriguing attribute of September is the highest number of cloud cover percentages, hitting 55%.
Weather in September »
Weather in October
October begins to see a shift in the weather pattern towards slightly cooler days in
Belmopan,
Belize. The retreating monsoons transition into lesser rainfall from
September, allowing more sunshine hours in the day. October stands out for having one of the lower temperature highs of the latter part of the year, seeing an average of 29.7°C (85.5°F).
Weather in October » Weather in November
November brings about cooler weather conditions and less frequent rain in
Belmopan,
Belize. The downward trend in temperatures from
October is evident and continues into this month. The last month of the autumn season, November, sees one of the lowest temperatures for the latter part of the year at 19.1°C (66.4°F).
Weather in November » Weather in December
December marks the onset of winter in
Belmopan,
Belize, bringing in a gentle drop in temperatures from
November. It makes for one of the coldest months of the year, albeit fairly mild compared to harsh winters elsewhere. December sees a slightly lower minimum temperature drop to 18.4°C (65.1°F).
Weather in December »