Climate averages 1991–2020

Cancún weather
in January.

A warm, moderately wet month: the coolest and the 6th driest of the year.

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

Average high 25.3°C Daytime mean, January

Average low 22.3°C Night-time mean, January

Rainfall 67 mm 11 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a warm month in Cancún: daytime highs average 25.3°C and nights cool to about 22.3°C. By daytime temperature it is the coolest month of the year.

Expect about 67 mm of rain on roughly 11 days, which makes January a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 00 min on an average January day.

The nearest other city in this atlas is Playa del Carmen (65 km away). In January its highs average 25.7°C, about as warm as Cancún, with 55 mm of rain.

Among the 153 cities listed in Mexico, Cancún ranks joint 35th of 153 for the warmest January highs and 145th of 153 for the driest January (rainfall, lowest first). The mean January high of those 153 cities is 22.4°C; Cancún is 2.9°C warmer than that mean.

From January to February, average highs rise by 0.7°C to 26.0°C, and monthly rainfall falls from 67 mm to 33 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

Cancún climate table

1991–2020

Monthly climate averages for Cancún, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	25.3°C22.3°C	22.3°C	67	10.7	11.011 h
February	26.0°C22.7°C	22.7°C	33	6.7	11.411 h
March	26.8°C23.3°C	23.3°C	25	5.0	12.012 h
April	28.2°C24.4°C	24.4°C	26	4.7	12.613 h
May	29.0°C25.4°C	25.4°C	75	9.6	13.113 h
June	29.1°C26.0°C	26.0°C	133	15.3	13.413 h
July	29.7°C26.4°C	26.4°C	65	11.3	13.313 h
August	29.8°C26.4°C	26.4°C	87	14.3	12.913 h
September	29.2°C25.9°C	25.9°C	162	20.2	12.312 h
October	28.0°C25.1°C	25.1°C	190	19.1	11.712 h
November	26.7°C24.0°C	24.0°C	90	11.7	11.111 h
December	25.9°C23.1°C	23.1°C	61	11.4	10.911 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 Cancún

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 Cancún) is explained once on the Cancún year overview and on the Sources, method and limits page.