Belmopan climate

Name: Belmopan
Address: BZ

Belmopan is warmest in April, with average highs of 32 °C, and coldest in January, when nights average 20 °C. October is the wettest month (185 mm) and March the driest (40 mm). Figures are 1991–2020 climate normals.

Across a full year Belmopan averages 1,285 mm of rain and 343 days above 25 °C.

Belize · population 13,381 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 32 °C
Coldest month January 20 °C
Driest month March 40 mm
Wettest month October 185 mm
Least cloud March 43 % cloud
Hottest on record April 41 °C
Coldest on record February 11 °C

What to expectBelmopan through the year

Belmopan has a clear annual cycle: average daily highs run from 26 °C in January to 32 °C in April, a swing of 4.7 °C in mean temperature across the year.

Counted across a normal year, 343 days a year reach 25 °C, 148 of them reach 30 °C. The warmest reading in the 1991–2020 record is 41 °C, in April.

Rain is strongly seasonal. October averages 185 mm against 40 mm in March — 4.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	26.3 °C	74 mm	56 %
February	27.8 °C	42 mm	46 %
March	29.9 °C	40 mm	43 %
April	32.0 °C	41 mm	48 %
May	31.9 °C	94 mm	62 %
June	30.3 °C	172 mm	78 %
July	30.0 °C	132 mm	70 %
August	30.7 °C	130 mm	68 %
September	30.4 °C	159 mm	77 %
October	28.7 °C	185 mm	74 %
November	27.2 °C	130 mm	63 %
December	26.5 °C	84 mm	57 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	26.3 °C	19.6 °C	22.4 °C	34.5 °C	11.3 °C	23	2
February	27.8 °C	20.2 °C	23.4 °C	37.0 °C	10.5 °C	26	4
March	29.9 °C	21.1 °C	24.8 °C	40.7 °C	10.7 °C	30	13
April	32.0 °C	22.8 °C	26.6 °C	41.4 °C	15.3 °C	30	24
May	31.9 °C	23.7 °C	27.1 °C	39.1 °C	16.8 °C	31	25
June	30.3 °C	24.0 °C	26.5 °C	36.5 °C	21.5 °C	30	16
July	30.0 °C	23.6 °C	26.2 °C	34.3 °C	20.4 °C	31	16
August	30.7 °C	23.6 °C	26.5 °C	37.0 °C	20.2 °C	31	21
September	30.4 °C	23.4 °C	26.2 °C	37.9 °C	21.1 °C	30	17
October	28.7 °C	22.5 °C	25.0 °C	34.6 °C	17.0 °C	30	7
November	27.2 °C	20.8 °C	23.5 °C	33.2 °C	12.4 °C	27	1
December	26.5 °C	20.0 °C	22.7 °C	32.8 °C	11.6 °C	25	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	74 mm	15	11 h/day	56 %	85 %	12 km/h
February	42 mm	11	12 h/day	46 %	82 %	14 km/h
March	40 mm	9	12 h/day	43 %	77 %	15 km/h
April	41 mm	8	13 h/day	48 %	75 %	16 km/h
May	94 mm	16	13 h/day	62 %	78 %	15 km/h
June	172 mm	24	13 h/day	78 %	85 %	15 km/h
July	132 mm	24	13 h/day	70 %	85 %	15 km/h
August	130 mm	23	13 h/day	68 %	84 %	14 km/h
September	159 mm	25	12 h/day	77 %	86 %	12 km/h
October	185 mm	22	12 h/day	74 %	87 %	12 km/h
November	130 mm	17	11 h/day	63 %	86 %	11 km/h
December	84 mm	16	11 h/day	57 %	86 %	11 km/h

How Belmopan compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Belmopan	32 °C	20 °C	1,285 mm	343
Chetumal · Mexico	31 °C	21 °C	1,240 mm	354
San Pedro Sula · Honduras	32 °C	20 °C	1,873 mm	335
Cobán · Guatemala	25 °C	14 °C	3,096 mm	53
La Ceiba · Honduras	30 °C	22 °C	2,338 mm	337
La Ceiba · Honduras	29 °C	22 °C	2,357 mm	334
Jalapa · Guatemala	27 °C	13 °C	1,124 mm	143

Where Belmopan ranks

Ranking	Position	Value
The warmest places in North America in April	16thof 50	32 °C
The warmest places in North America in March	30thof 50	30 °C
The warmest places in North America in May	35thof 50	32 °C
The warmest places in North America in February	47thof 50	28 °C
The warmest places in North America year-round	48thof 50	29 °C

Planning a trip? See the best time to visit Belmopan.

QuestionsCommon questions about Belmopan’s climate

When is the best time to visit Belmopan?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, April is the warmest month and March the driest. The month-by-month table above has the full picture.

How hot does Belmopan get?

In April, the warmest month, daily highs average 32 °C. About 148 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.

How cold does it get in winter?

Nights average 20 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Belmopan?

October, averaging 185 mm over 22 days with rain. The driest month is March with 40 mm. The year as a whole averages 1,285 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Belmopan rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.