Climate and monthly weather forecastCornillon, Haiti
Climate and monthly weather forecast
The climate of Cornillon
Cornillon, Haiti, lies within the Tropical wet and dry or savanna zone, based on the Köppen climate classification. This climate type, designated as Aw, commonly witnesses high temperatures throughout the year, accompanied by a significant rainy season. The regions enveloped in this climate lie near the equatorial belt with rainfall patterns primarily influenced by the Intertropical Convergence Zone (ITCZ).The city experiences high temperatures persistently through the year, with monthly averages fluctuating between 27.6°C (81.7°F) to 30.9°C (87.6°F). Similarly, the weather remains warm during the night with low temperatures ranging from 18.2°C (64.8°F) to 21.3°C (70.3°F). Relative humidity levels are more or less consistent throughout the year, with the average varying between 72% and 80%. The city also experiences substantial rainfall, which ranges from 12mm (0.47") to 141mm (5.55") per month.
The predominate climate in Cornillon greatly impacts the average daylight hours, which fluctuate between 11.1 hours to 13.2 hours within a year. Moreover, the city enjoys regular exposure to sunshine, with the duration ranging from 7.2 hours to 11.3 hours daily. The UV index, an important aspect of solar radiation, remains steady at either 6 or 7 throughout the year.
One unique pattern in Cornillon is the relatively constant atmospheric pressure throughout the year, with the monthly average varying subtly between 1012.5 mb to 1016.3 mb. Another key feature is the moderate wind speed experienced year-round. The average wind velocity varies between 6.5km/h (4mph) to 9.2km/h (5.7mph).
The best time to visit Cornillon
Considering factors such as temperature, rainfall, and daylight, the ideal months to visit Cornillon for comfortable temperatures and minimal rainfall are from December to February. These months witness lower average temperatures of 27.6°C (81.7°F) to 28.2°C (82.8°F), relatively lesser rainfall with an average of 12mm (0.47") to 18mm (0.71"), extended daylight of 11 hours to 11.5 hours, and sufficient sunshine lasting 7.3 hours daily. These conditions make it an ideal period for outdoor activities and sightseeing.The worst time to visit Cornillon
From May to September, Cornillon experiences the wettest period of the year. These months see the heaviest rainfall, with volumes escalating from 74mm (2.91") to 141mm (5.55"). Compounding the discomfort, the period also observes the highest average temperatures, ranging from 29.1°C (84.4°F) to 30.9°C (87.6°F). With the substantial increase in rainfall during these months, it could lead to cancellations or interruptions of outdoor activities and could obstruct travel plans.Spring weather in Cornillon
Spring in Cornillon spans from March to May. Temperatures during this season display an upward trend, with averages escalating from 28.1°C (82.6°F) to 29.1°C (84.4°F). Correspondingly, the low temperatures also showcase a similar trend and oscillate between 19°C (66.2°F) to 20.6°C (69.1°F). Rainfall volumes also rise dramatically during these months, with levels intensifying from 52mm (2.05") to 141mm (5.55").Summer weather in Cornillon
The months of June, July, and August constitute the summer season in Cornillon. These months experience the highest temperatures of the year, escalating from 30.3°C (86.5°F) to 30.9°C (87.6°F). The nights also remain warm with temperatures fluctuating from 20.9°C (69.6°F) to 21.3°C (70.3°F). Despite being the peak summer months, these months do witness significant rainfall levels, varying from 74mm (2.91") to 111mm (4.37").Autumn weather in Cornillon
Autumn in Cornillon falls between September and November. During this period, the city experiences a downturn in temperatures. A steady decline from 29.8°C (85.6°F) to 28.2°C (82.8°F) characterizes these months. Corresponding to this, the low temperatures drop from 21.3°C (70.3°F) to 19.9°C (67.8°F). However, the rainfall levels remain high, ranging from 135mm (5.31") in September to 63mm (2.48") in November.Winter weather in Cornillon
December, January, and February mark the winter season in Cornillon. These months experience a subtle decline in temperatures with values fluctuating between 27.6°C (81.7°F) to 28.2°C (82.8°F). Nights are also cooler with temperatures averaging between 18.2°C (64.8°F) to 18.8°C (65.8°F). These months notice a significant reduction in rainfall, averaging from 12mm (0.47") to 18mm (0.71"), creating comfortable conditions appropriate for various outdoor activities.Weather in January
Encountering warm conditions, January sees daytime temperatures reaching up to 27.6°C (81.7°F) in Cornillon, Haiti. Compared to December last year, January is slightly cooler but maintains a desirable climate for outside activities. Weather in January »Weather in February
Cornering into February, night temperatures rise marginally from January, setting comfortable conditions for nighttime explorations in Cornillon. Pleasantly warm conditions persist throughout the day with the sun shining generously. Weather in February »Weather in March
March in Cornillon, Haiti brings about an impressive increase in rainfall up to 52mm (2.05"), a notable leap from the previous months. Despite the increase in rain, temperatures continue to hover around the warm side, making it an ideal time for those who enjoy tropical climates. Weather in March »Weather in April
April sets the stage for wetter conditions with a distinct climb in the city's rainfall, reaching up to 76mm (2.99"). The temperatures remain consistently warm, hosting perfect weather for tropical pursuits. The increased rainfall does not overshadow the splendidly warm days that Cornillon is known for. Weather in April »Weather in May
May establishes itself as the rainiest month in Cornillon, Haiti with an impressive 141mm (5.55") of precipitation. Concurrently, the temperature begins to climb slowly, preparing the city for the upcoming hot summer months. It is the period in which the city experiences an artistic blend of warm days and showery evenings. Weather in May »Weather in June
June in Cornillon signals the start of summer, with the highest daytime temperature of the year reaching 30.3°C (86.5°F). Compared to May, June experiences a noticeable decrease in rainfall, reverting to drier conditions characteristic of summer. Weather in June »Weather in July
July sees temperatures peaking to 30.8°C (87.4°F), with the city basking in the heart of summer’s warmth in Cornillon, Haiti. Tolerating slight increases in rainfall, July maintains a distinct summer flavor with its longer daylight hours. Weather in July »Weather in August
August mirrors the weather of July, but with an increased rainfall of up to 111mm (4.37"). Despite this enhancement in rainfall, there is no significant impact on the warm weather that August brings to the city. The intensity of the sun persists with the city experiencing the height of the Haitian summer. Weather in August »Weather in September
Temperatures in September relent slightly, with the maximum dropping to 29.8°C (85.6°F), marking a change from the scorching summer days of Cornillon. However, September brings the second highest rainfall of the year, up to 135mm (5.31"), signaling the onset of a wet season. Weather in September »Weather in October
October in Cornillon continues the cooling trend, with a balance of wet and warm conditions. A significant dip in rainfall levels compared to September and a continuous decrease in temperatures add to the versatility of October weather. Weather in October »Weather in November
November, the last month of the autumn in Cornillon, is warm month, with an average temperature fluctuating between 19.9°C (67.8°F) and 28.2°C (82.8°F). The transition from October to November sees an average high-temperature of a still warm 28.2°C (82.8°F), indicating a minor variance from the prior month. Weather in November »Weather in December
Closing the year, December in Cornillon, Haiti hosts a significant reduction in rainfall down to 19mm (0.75"), offering drier conditions. A further drop in temperature provides a welcome respite from the preceding warmer weather. Weather in December »Updated: Aug 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with average temperatures reaching a high of 27.6°C (81.7°F) and a low of 18.2°C (64.8°F), is the coldest month.
January is the month with the least rainfall. Rain falls for 9.9 days and accumulates 12mm (0.47") of precipitation.
In Cornillon, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.
January through May, July through December, with an average maximum UV index of 6, are months with the lowest UV index.
With an average relative humidity of 72%, February is the least humid month.
February has the least sunshine of the year, with an average of 7.2h of sunshine.
On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 02:00, and the time zone reverts from EDT to EST.
The month with the most rainfall is May, when the rain falls for 24.3 days and typically aggregates up to 141mm (5.55") of precipitation.
The month with the longest days is June, with an average of 13h and 12min of daylight.
The month with the highest UV index is June, with an average maximum UV index of 7.
The month with the most sunshine is July, with an average of 11.3h of sunshine.
Cornillon's warmest weather arrives in August, when temperatures average a high of 30.9°C (87.6°F) and a low of 21.3°C (70.3°F).
November is the most humid month, with an average relative humidity of 80%.
With an average of 11h and 0min of daylight, December has the shortest days of the year.
Average temperature
Cornillon, Haiti
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).
The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure
Cornillon, Haiti
- Average pressure in January:
1016.3mbar - Average pressure in February:
1016.1mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1014.6mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1012.5mbar - Average pressure in November:
1013mbar - Average pressure in December:
1015.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).
Average wind speed
Cornillon, Haiti
- Average wind speed in January:
7.9km/h - Average wind speed in February:
7.4km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
9.2km/h
- Average wind speed in July:
8.2km/h - Average wind speed in August:
7.6km/h - Average wind speed in September:
6.5km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
6.8km/h - Average wind speed in December:
7.9km/h
The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity
Cornillon, Haiti
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall
Cornillon, Haiti
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days
Cornillon, Haiti
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
24.4 days - Average rainfall days in May:
24.3 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
22.2 days - Average rainfall days in September:
22.4 days - Average rainfall days in October:
24.4 days - Average rainfall days in November:
19.6 days - Average rainfall days in December:
10.5 days
The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).
Average daylight / Average sunshine
Cornillon, Haiti
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 12min
- Average daylight in July:
13h and 6min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
7h and 18min - Average sunshine in February:
7h and 12min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 30min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
9h and 12min - Average sunshine in November:
8h and 36min - Average sunshine in December:
7h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days
Cornillon, Haiti
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
3.3 days - Average sunshine days in May:
5.1 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
7.6 days - Average sunshine days in August:
6 days - Average sunshine days in September:
4.7 days - Average sunshine days in October:
4.8 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
19 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).
Average UV index
Cornillon, Haiti
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 6).
Average cloud cover
Cornillon, Haiti
The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility
Cornillon, Haiti
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
