Climate averages 1991–2020

Belmopan weather
in January.

A warm, moderately wet month: the coolest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.3°C Daytime mean, January

Average low 19.6°C Night-time mean, January

Rainfall 68 mm 15 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a warm month in Belmopan: daytime highs average 26.3°C and nights cool to about 19.6°C. By daytime temperature it is the coolest month of the year.

Expect about 68 mm of rain on roughly 15 days, which makes January a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 13 min on an average January day.

The nearest other city in this atlas is Chetumal (149 km away). In January its highs average 26.9°C, 0.6°C warmer than Belmopan, with 52 mm of rain.

From January to February, average highs rise by 1.6°C to 27.9°C, and monthly rainfall falls from 68 mm to 38 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Belmopan climate table

1991–2020

Monthly climate averages for Belmopan, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	26.3°C19.6°C	19.6°C	68	14.6	11.211 h
February	27.9°C20.3°C	20.3°C	38	10.7	11.612 h
March	29.9°C21.2°C	21.2°C	38	9.5	12.012 h
April	32.1°C22.9°C	22.9°C	39	8.4	12.513 h
May	32.0°C23.8°C	23.8°C	95	16.1	12.913 h
June	30.3°C24.0°C	24.0°C	162	24.8	13.113 h
July	30.1°C23.6°C	23.6°C	126	24.0	13.113 h
August	30.8°C23.7°C	23.7°C	126	23.7	12.713 h
September	30.5°C23.5°C	23.5°C	150	24.9	12.212 h
October	28.8°C22.5°C	22.5°C	169	22.1	11.812 h
November	27.2°C20.8°C	20.8°C	121	17.1	11.311 h
December	26.5°C20.0°C	20.0°C	76	16.3	11.111 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Belmopan

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Belmopan) is explained once on the Belmopan year overview and on the Sources, method and limits page.