Climate and monthly weather forecastHouailou, New Caledonia
Climate and monthly weather forecast
The climate of Houailou
Houailou, New Caledonia is characterized by an Af or tropical rainforest climate according to the Köppen climate classification. This small town is situated on the southeast coast of the Pacific Island country of New Caledonia. Throughout the year, the overall weather remains hot and humid, with nearly constant temperatures. There is a minor range in temperature change from the warmest to the coolest month; high temperatures vary by 5.1°C (41.2°F) from January to July, where the highs range from 27.5°C (81.5°F) down to 21.9°C (71.4°F). Low temperatures have slightly more variance, with a difference of 6.4°C (43.5°F) between the peak in February and the minimum in August, descending from 24.3°C (75.7°F) to 18.2°C (64.8°F).Rainfall is an equally significant aspect of Houailou's climate. There is variation in precipitation levels during the year, but the town experiences rainfall in every month. March brings the most rainfall with 132mm (5.2") over 23.5 days, and September is the driest month, noting only 21mm (0.83") of rain over 8.9 days on average. Consequently, relative humidity remains high throughout the year, reaching a high of 80% in March and a low of 74% in September.
Unique weather patterns in Houailou include the large amount of sunshine hours despite considerable rainfall. On average, the town sees upwards of 5.9 hours of sunshine per day, with July and August witnessing the least amount with 5.9 hours, and November displaying the most, reaching up to 9.9 hours.
The best time to visit Houailou
Considering climate parameters, September and October could be considered the best months to visit Houailou. During this period, there is a balance of accessible daylight, sufficient sunshine and minimal rainfall. In September, Houailou receives approximately 21mm (0.83") of rainfall over 8.9 days, with the relative humidity falling to 74%. Days are longer, with 12 hours of daylight, and temperatures are comfortable, ranging from 18.6°C (65.5°F) to 22.6°C (72.7°F). October maintains similar conditions but experiences slight increases in temperature and rainfall levels.The worst time to visit Houailou
March tends to be the least favorable time to visit Houailou due to high rainfall. It is the wettest month, experiencing around 132mm (5.2") of rain over approximately 23.5 days. Although temperatures remain relatively high, ranging from 24.1°C (75.4°F) to 27.1°C (80.8°F), the increased precipitation and humidity, which peaks at 80%, may disrupt outdoor activities.Spring weather in Houailou
In Houailou, the spring season encompasses September, October, and November. September is marked by one of the lowest rainfall amounts, registering only 21mm (0.83") over 8.9 days. Meanwhile, temperatures start to rise, stretching from 18.6°C (65.5°F) to 22.6°C (72.7°F). October maintains similar conditions but sees slight increases in temperature and rainfall. By November, temperatures continue to escalate, reaching average highs of 24.9°C (76.8°F) and lows of 21.5°C (70.7°F). Moreover, rainfall slightly increases, totaling an average of 32mm (1.26") spread over 12.1 days.Summer weather in Houailou
December marks the beginning of the summer season in Houailou, lasting through January and February. This period witnesses a significant increase in temperature, with December experiencing minimums of 23°C (73.4°F) and maximums of 26.2°C (79.2°F). Rainfall also increases considerably, with 47mm (1.85") recorded over 15.8 days in December. January and February follow similar patterns, with temperatures slightly rising and rainfall reaching peak levels.Autumn weather in Houailou
Autumn, from March to May, could be described as a transitional period in Houailou. March kicks off with high rainfall levels of 132mm (5.2") over 23.5 days, along with the highest high temperatures of the year, around 27.1°C (80.8°F). This begins to ease down in April and May, with a downtrend in both temperature and precipitation, offering a break from the intense summer conditions.Winter weather in Houailou
Winter months in Houailou, stretching from June to August, are marked by the coolest temperatures and the least amount of rainfall. Temperatures in June bottom out to lows of 19.9°C (67.8°F) and highs of 22.8°C (73°F). Rainfall also drops significantly, reaching as low as 33mm (1.3") in August. Despite being the coldest period, temperatures remain relatively mild compared to most winter climates, showcasing the persistent tropical conditions of Houailou.Weather in January
Residents of Houailou, New Caledonia, experience warm temperatures in January, which is a characteristic trend of this tropical climate. Following December’s conclusion, warm sea temperatures of 27.8°C (82°F) render January a great time for beach activities. Weather in January »Weather in February
February’s climatic patterns in Houailou follow closely on January, with a minor increase in relative humidity and rainfall. With rainfall reaching 106mm (4.17"), coupled with 28.4°C (83.1°F) sea temperatures, beach visits require careful planning. Weather in February »Weather in March
March witnesses a slight dip in temperature but continues to maintain the warmth in Houailou. While the humidity exhibits a minor increase, the rainfall peaks to 132mm (5.2"), making this month the wettest time of the year. Sudden, brief showers break the monotony of warmth, adding an unpredictable flair to the city's weather. Weather in March »Weather in April
As the city moves into April, the decrease in temperature becomes notably distinct, hinting at the advent of colder nights. With rainfall reducing to 72mm (2.83"), the city sees a shift from high rain frequency of the previous months. Weather in April »Weather in May
May brings noticeable changes to Houailou, as temperatures continue to drop both during day and night. This month sets the city's climate apart from the usual tropical warmth and humidity experienced in New Caledonia. With a decreasing trend in rainfall, to 52mm (2.05"), dry spells become more frequent, reshaping the city's landscape. Weather in May »Weather in June
June reaffirms the onset of winter in Houailou, with night temperatures dropping to a year's low at 19.9°C (67.8°F). This is accompanied by the lowest sea temperatures and humidity levels, further emphasizing the chilly nights. However, the decrease in temperature does not impede outdoor activities, as rainfall is relatively low. Weather in June »Weather in July
July continues Houailou's winter trend, witnessing further decrease in temperatures. With the lowest rainfall in the year at 36mm (1.42"), the city experiences a significant break from frequent showers. However, the UV index remains steady, underlining the need for sun protection measures. Weather in July »Weather in August
In August, Houailou’s weather begins to shift towards moderate conditions. There is a slight rise in humidity along with the sustained low rainfall of 33mm (1.3"), making it one of the driest months of the year. Despite the increase in temperatures, winds slow down, leading to a pleasant weather balance. Weather in August »Weather in September
September signifies the transition from winter to milder, spring weather in Houailou. The number of sunshine hours gradually increase resulting in slightly warmer days. Interestingly, this is coupled with a straightforward drop in cloud cover, contributing to clearer skies. Weather in September »Weather in October
October sees a notable change with a returning warmth in Houailou. Sea temperatures rise to 24.7°C (76.5°F) signaling a more inviting spell for tourists and locals for water activities. Despite the rising temperatures, the city experiences an increase in rainfall but nothing on the scale of the earlier wet months. Weather in October »Weather in November
November brings an escalation in both day and night temperatures, echoing the onset of summer in Houailou. Despite daylight hours peaking at 13.1 hours, the sunshine duration remains below 10 hours due to increasing rainfall and cloud cover. Weather in November »Weather in December
Closing the year, December maintains the warmth in Houailou, New Caledonia, with a minor surge in temperature. As rainfall increases to 47mm (1.85") and the number of rainy days rises to 15.8, the month becomes noticeably wetter. Weather in December »Updated: Jan 24, 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
Throughout the year, there are 180.3 rainfall days, and 692mm (27.24") of precipitation is accumulated.
February is the month when Houailou's temperatures reach their peak, with averages of 27.5°C (81.5°F) and lows of 24.3°C (75.7°F).
The month with the warmest seawater is February, with an average sea temperature of 28.4°C (83.1°F).
With an average maximum UV index of 7, February is the month with the highest UV index.
With an average relative humidity of 80%, March is the most humid month.
The month with the most rainfall is March, when the rain falls for 23.5 days and typically aggregates up to 132mm (5.2") of precipitation.
April, July and August, with an average of 5.9h of sunshine, are months with the least sunshine in Houailou, New Caledonia.
The month with the shortest days is June, with an average of 10h and 54min of daylight.
The months with the lowest UV index are June through August, with an average maximum UV index of 5.
In Houailou, the coldest months are July and August, registering an average high-temperature of 21.9°C (71.4°F).
August is the month with the coldest seawater, with an average sea temperature of 23.3°C (73.9°F).
The least humid month in Houailou is September, with an average relative humidity of 74%.
September is the month with the least rainfall in Houailou. Rain falls for 8.9 days and accumulates 21mm (0.83") of precipitation.
November has the most sunshine of the year, with an average of 9.9h of sunshine.
With an average of 13h and 24min of daylight, December has the longest days of the year in Houailou, New Caledonia.
Houailou does not utilize Daylight Saving Time (DST). +11 timezone is used over the entire year.
Average temperature
Houailou, New Caledonia
The warmest month (with the highest average high temperature) is February (27.5°C).
The months with the lowest average high temperature are July and August (21.9°C).
The month with the highest average low temperature is February (24.3°C).
The coldest month (with the lowest average low temperature) is August (18.2°C).
Average pressure
Houailou, New Caledonia
- Average pressure in January:
1008.9mbar - Average pressure in February:
1008mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1012.8mbar - Average pressure in May:
1015mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1016.7mbar - Average pressure in August:
1016.7mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1010.9mbar
The months with the highest atmospheric pressure are July and August (1016.7mbar).
The month with the lowest atmospheric pressure is February (1008mbar).
Average wind speed
Houailou, New Caledonia
- Average wind speed in January:
15.7km/h - Average wind speed in February:
15.8km/h - Average wind speed in March:
15.9km/h - Average wind speed in April:
15.9km/h - Average wind speed in May:
14.7km/h - Average wind speed in June:
14.7km/h
- Average wind speed in July:
14.4km/h - Average wind speed in August:
13.1km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
15.9km/h - Average wind speed in December:
15.4km/h
The windiest months (with the highest average wind speed) are March, April and November (15.9km/h).
The calmest month (with the lowest average wind speed) is August (13.1km/h).
Average humidity
Houailou, New Caledonia
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is September (74%).
Average rainfall
Houailou, New Caledonia
- Average rainfall in January:
85mm - Average rainfall in February:
106mm - Average rainfall in March:
132mm - Average rainfall in April:
72mm - Average rainfall in May:
52mm - Average rainfall in June:
49mm
The wettest month (with the highest rainfall) is March (132mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days
Houailou, New Caledonia
- Average rainfall days in January:
19.8 days - Average rainfall days in February:
20.6 days - Average rainfall days in March:
23.5 days - Average rainfall days in April:
19.1 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
12.1 days - Average rainfall days in August:
9.9 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
15.8 days
The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is September (8.9 days).
Average sea temperature
Houailou, New Caledonia
The best month for swimming (with the highest average sea temperature) is February (28.4°C).
The coldest month (with the lowest average sea temperature) is August (23.3°C).
Average daylight / Average sunshine
Houailou, New Caledonia
- Average daylight in January:
13h and 18min - Average daylight in February:
12h and 48min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 6min - Average daylight in June:
10h and 54min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 24min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 6min - Average daylight in December:
13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in January:
9h and 30min - Average sunshine in February:
9h and 42min - Average sunshine in March:
8h and 12min - Average sunshine in April:
5h and 54min - Average sunshine in May:
6h and 0min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
5h and 54min - Average sunshine in August:
5h and 54min - Average sunshine in September:
8h and 0min - Average sunshine in October:
9h and 0min - Average sunshine in November:
9h and 54min - Average sunshine in December:
9h and 36min
The month with the most sunshine is November (Average sunshine: 9h and 54min).
The months with the least sunshine are April, July and August (Average sunshine: 5h and 54min).
Average sunshine days
Houailou, New Caledonia
- Average sunshine days in January:
7.7 days - Average sunshine days in February:
4.7 days - Average sunshine days in March:
3.3 days - Average sunshine days in April:
4.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
12.6 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is March (3.3 days).
Average UV index
Houailou, New Caledonia
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are June, July and August (UV index 5).
Average cloud cover
Houailou, New Caledonia
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Houailou, New Caledonia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
