Climate averages 1991–2020

Cap-Haïtien weather
in December.

A warm, wet month: the 9th warmest and the joint 7th driest of the year.

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

Average high 26.5°C Daytime mean, December
Average low 23.0°C Night-time mean, December
Rainfall 101 mm 18 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Cap-Haïtien · average highYear overview

December is a warm month in Cap-Haïtien: daytime highs average 26.5°C and nights cool to about 23.0°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 101 mm of rain on roughly 18 days, which makes December a wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 58 min on an average December day.

The nearest other city in this atlas is Saint-Michel de l'Atalaye (46 km away). In December its highs average 27.6°C, 1.1°C warmer than Cap-Haïtien, with 23 mm of rain.

Among the 18 cities listed in Haiti, Cap-Haïtien ranks 18th of 18 for the warmest December highs and 18th of 18 for the driest December (rainfall, lowest first). The mean December high of those 18 cities is 28.9°C; Cap-Haïtien is 2.5°C cooler than that mean.

From December to January, average highs fall by 0.6°C to 25.9°C, and monthly rainfall rises from 101 mm to 108 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

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

Every month, side by side

Cap-Haïtien climate table

1991–2020
Monthly climate averages for Cap-Haïtien, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.9°C22.2°C22.2°C10815.411.111 h
February 25.9°C22.1°C22.1°C7713.711.511 h
March 26.0°C22.2°C22.2°C9815.312.012 h
April 26.7°C22.9°C22.9°C9616.812.613 h
May 27.7°C24.0°C24.0°C11219.913.113 h
June 28.9°C25.3°C25.3°C6515.513.313 h
July 29.0°C25.6°C25.6°C6015.313.213 h
August 29.1°C25.8°C25.8°C8219.312.813 h
September 29.3°C25.5°C25.5°C10122.212.312 h
October 28.6°C24.8°C24.8°C12523.411.712 h
November 27.3°C23.8°C23.8°C15122.011.211 h
December, selected 26.5°C23.0°C23.0°C10117.811.011 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

December in nearby cities

Distance from Cap-Haïtien

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 Cap-Haïtien) is explained once on the Cap-Haïtien year overview and on the Sources, method and limits page.