Climate averages 1991–2020

Bonao weather
in January.

A warm, moderately wet month: the coolest and the 3rd driest of the year.

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

Average high 26.4°C Daytime mean, January

Average low 18.8°C Night-time mean, January

Rainfall 75 mm 14 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a warm month in Bonao: daytime highs average 26.4°C and nights cool to about 18.8°C. By daytime temperature it is the coolest month of the year.

Expect about 75 mm of rain on roughly 14 days, which makes January a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 08 min on an average January day.

The nearest other city in this atlas is La Vega (33 km away). In January its highs average 26.8°C, about as warm as Bonao, with 51 mm of rain.

Among the 14 cities listed in the Dominican Republic, Bonao ranks 13th of 14 for the warmest January highs and 14th of 14 for the driest January (rainfall, lowest first). The mean January high of those 14 cities is 27.3°C; Bonao is 1.0°C cooler than that mean.

From January to February, average highs rise by 0.6°C to 26.9°C, and monthly rainfall falls from 75 mm to 70 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

Bonao climate table

1991–2020

Monthly climate averages for Bonao, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	26.4°C18.8°C	18.8°C	75	14.1	11.111 h
February	26.9°C18.9°C	18.9°C	70	12.8	11.512 h
March	27.7°C19.4°C	19.4°C	115	15.4	12.012 h
April	28.4°C20.5°C	20.5°C	170	19.5	12.613 h
May	29.0°C21.4°C	21.4°C	253	23.2	13.013 h
June	30.1°C22.0°C	22.0°C	132	19.9	13.213 h
July	30.2°C22.4°C	22.4°C	105	21.0	13.213 h
August	30.4°C22.5°C	22.5°C	125	21.8	12.813 h
September	30.4°C22.2°C	22.2°C	149	21.9	12.312 h
October	29.5°C21.8°C	21.8°C	133	20.3	11.712 h
November	27.8°C20.8°C	20.8°C	115	17.4	11.311 h
December	26.8°C19.5°C	19.5°C	73	13.5	11.011 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 Bonao

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