Yearly & Monthly weather - Monchy, Saint Lucia

The climate of Monchy

Situated in a tropical locale, Monchy, Saint Lucia, is characterised by a Köppen climate classification of Af, commonly known as a tropical rainforest climate. Owing to this classification, Monchy experiences consistently high temperatures and the monthly average ranges from 25.1°C (77.2°F) to 30.3°C (86.5°F) throughout the year. The town is subject to predictably high relative humidity, averaging between 73 and 75% each month.

Much of the variance in Monchy's weather patterns is found in their precipitation levels. Their monthly average rainfall spans from 19mm (0.75") in February to a peak of 82mm (3.23") in August, with the highest concentration of rain from June to November. Alongside this, the number of rainy days per month steadily increase from a low of 16.4 days in February to a high of 26.5 days in July.

Pertaining to sunshine and daylight hours, Monchy demonstrates a moderate variation across the year. The town sees an average of 11.3 to 13 daylight hours with the stretch from May to July providing the most. Correspondingly, the average sunshine hours range from 6.5 to 9.8 hours with the lowest in November and the highest in April.

Monchy's weather also manifests steady cloud cover, with an average of 39 to 48% indicating a partially clear to partly clouded sky throughout the year. As for wind conditions, the town displays a moderate fluctuation in average wind speed from 16.7km/h (10.4mph) to 24.7km/h (15.3mph) and wind gusts between 22.9km/h (14.2mph) to 33.4km/h (20.8mph).

The best time to visit Monchy

While Monchy's climate presents relatively uniform conditions throughout the year, the period from February to April offers arguably the best time for visitors. During these months, the temperatures remain comfortably high, varying between 25.1°C (77.2°F) in February to 28.3°C (82.9°F) in April. These months also witness considerably lower rainfall, averaging at 19mm (0.75") to 28mm (1.1") with correspondingly lower rainy days count ranging from 16.4 to 20.3. In addition, the period from February to April provides longer sunshine durations of average 8.5 to 9.8 hours, providing ample sunlight for outdoor pursuits.

The worst time to visit Monchy

The period between June and November, defined by Monchy's highest rainfall numbers, may prove challenging to travellers. Monchy witnesses a significant rise in rainfall during these months, reaching a peak of 82mm (3.23") in August, accompanied by the highest number of rainy days, average 23.8 to 26.5. Consequently, these months might pose some disruptions to sightseeing and outdoor activities.

Spring weather in Monchy

Monchy's weather from March to May is characterised by a gradual rise in temperatures, from 27.7°C (81.9°F) in March to 28.8°C (83.8°F) in May. Spring also witnesses a steady increase in rainfall, with the average rising from 21mm (0.83") in March to 36mm (1.42") in May. Nevertheless, the number of rainy days sees a simultaneous increase, registering an average 18.8 days in March to 22.9 in May. Despite the increment in rainy days, spring enjoys ample sunshine with an average of 8.3 hours in March to 9.5 hours in May, maintaining favourable conditions for outdoor activities.

Summer weather in Monchy

The summers in Monchy, spanning from June to August, are distinctly warm with temperatures averaging between 29.3°C (84.7°F) and 29.8°C (85.6°F). This season also marks the onset of Monchy's rainiest spell, with average rainfall increasing significantly from 43mm (1.69") in June to 82mm (3.23") in August. Correspondingly, the town experiences an increased frequency of rainy days, peaking at 26.5 days in July. However, Monchy still enjoys plentiful sunshine hours, averaging from 9.2 in June to 9.7 hours in August, providing ample daylight during the summer months.

Autumn weather in Monchy

In Autumn, from September to November, Monchy's temperature scale hovers around the high end, averaging between 29.8°C (85.6°F) and 29.2°C (84.6°F). The rainfall exhibits a slight decline from 63mm (2.48") in September to 64mm (2.52") in November although the number of rainfall days remarkably stays uniform at 21 days. Monchy continues to enjoy reasonably long sunshine hours, albeit slightly reduced from 9.6 hours in September to 7 hours in November.

Winter weather in Monchy

Winter, from December to February, sees moderate temperature variations in Monchy, fluctuating between 27.5°C (81.5°F) and 28.2°C (82.8°F). The average rainfall drops significantly from 35mm (1.38") in December to 19mm (0.75") in February along with a decrease in the number of rainy days from 19.1 in December to 16.4 in February. Despite the cooler temperatures, there is ample sunshine, scoring average 6.4 to 7 hours, and the cloud coverage stays moderately steady, offering decent visibility throughout the winter months.

Weather in January

In Monchy, Saint Lucia, January greets us with weather patterns typical of the Caribbean region. Consistent humidity, light showers, and ample sunshine mark the start of the year. Compared to the slightly cooler December, January sees a slight rise in temperature from 25.1°C (77.2°F) to 27.5°C (81.5°F) even though the pressure remains at a steady 1014.6mb. Weather in January »

Weather in February

February continues the weather pattern established in January, with temperatures, humidity, and rainfall remaining fairly consistent. Despite this, Monchy does experience a slight decrease in rainfall, from 26mm (1.02") in January to 19mm (0.75"), and an increase in hours of sunshine. Weather in February »

Weather in March

As the city of Monchy moves into March, a warm spell emerges, this can be traced from the rise in temperature, up to an average high of 27.7°C (81.9°F). The pressure dips just a bit from 1014.6mb in February to 1014.5mb. This warmth is accompanied by a consistent wind speed and the rains which are slightly more frequent than February's showers. Weather in March »

Weather in April

April in Monchy, Saint Lucia, sees a noticeable increase in temperatures, humidity, and rainfall. The temperature rise is noted, with highs averaging 28.3°C (82.9°F), a significant leap from March. The pressure also decreases slightly from 1014.5mb to 1014.1mb. Weather in April »

Weather in May

May marks the onset of the hotter summer months in Monchy. Blistering heat becomes par for the course, with warm nights and even hotter days further emphasizing the tropical nature of the city. Taking note of noteworthy increases, May sees the high temperature rising to 28.8°C (83.8°F). Weather in May »

Weather in June

Monchy’s weather in June maintains the May's pattern of summer heat, characteristic of a tropical location. Sunshine is abundant, but there is an appropriate balance with frequent rains. Reaching their peak, temperatures rise to 29.3°C (84.7°F). Weather in June »

Weather in July

July presents a continuation of June’s weather, defined by temperatures that hit their stride at 29.4°C (84.9°F). Moreover, the city of Monchy experiences intense bouts of rainfall, a marked feature of Caribbean summers. Despite the high temperatures, the winds provide a soothing balance, creating a pleasant tropical climate. Weather in July »

Weather in August

Celebrating the full swing of summer, August in Monchy carries forward the weather conditions of July. Overcast skies become a norm, often bringing with them the highest rainfall recorded all year, an astonishing 82mm (3.23"). The necessary balance to these rains is found in the regular northeast winds as well as the high pressure observed. Weather in August »

Weather in September

Moving into September, Monchy’s weather transitions into a period of lower rainfall, dropping from 82mm (3.23") in August to 63mm (2.48"). Increased daylight, coupled with consistent sunshine, becomes a defining characteristic of September, marking the city's step into the final quarter of the year. Weather in September »

Weather in October

During October in Monchy, the weather progresses with the change in season, as observed in September, albeit with a relative increase in rainfall. Even as the rain falls, the consistent winds and sunshine hours hint at the typical Caribbean climate inherent to Monchy: all sun, a dash of rain and constant north-easterly winds. Weather in October »

Weather in November

The last month of the autumn, November, is warm month in Monchy, Saint Lucia, with an average temperature ranging between min 26.6°C (79.9°F) and max 29.2°C (84.6°F). The onset of November notes an average high-temperature of a still warm 29.2°C (84.6°F), subtly shifted from October's 29.8°C (85.6°F). Weather in November »

Weather in December

In December, there is a noticeable shift in Monchy’s weather. The heat subsides slightly, with the average high temperature dipping to 28.2°C (82.8°F). The consistent winds blowing over the city maintain a balancing act with the tropical heat. Weather in December »

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Monchy?

In Monchy, Saint Lucia, the coldest months are January and February, registering an average high-temperature of 27.5°C (81.5°F).

What is the least humid month in Monchy?

January through March and September, with an average relative humidity of 73%, are the least humid months in Monchy.

How much does it rain in Monchy?

In Monchy, Saint Lucia, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

What is the month with the highest UV index in Monchy?

The months with the highest UV index in Monchy are January through May, July through December, with an average maximum UV index of 7.

What is the driest month in Monchy?

February is the month with the least rainfall. Rain falls for 16.4 days and accumulates 19mm (0.75") of precipitation.

What month has the most sunshine in Monchy?

With an average of 9.8h of sunshine, April has the most sunshine of the year in Monchy, Saint Lucia.

What are the most humid months in Monchy?

May through August and November, with an average relative humidity of 75%, are most humid months.

When are the longest days in Monchy?

With an average of 12h and 54min of daylight, June has the longest days of the year in Monchy.

What is the month with the lowest UV index in Monchy?

With an average maximum UV index of 6, June is the month with the lowest UV index in Monchy.

What is the rainiest month in Monchy?

August is the month with the most rainfall. Rain falls for 25.9 days and accumulates 82mm (3.23") of precipitation.

What month is the hottest in Monchy?

September, with its average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F), holds the record as the warmest month in Monchy.

What is the month with the shortest days in Monchy?

With an average of 11h and 18min of daylight, December has the shortest days of the year in Monchy.

Is there Daylight Saving Time (DST) in Monchy?

Monchy does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.

What is the month with the least sunshine in Monchy?

The month with the least sunshine is December, with an average of 6.4h of sunshine.

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Year J F M A M J J A S O N D

Average temperature
Monchy, Saint Lucia

Average high temperature in January:
27.5°C
Average high temperature in February:
27.5°C
Average high temperature in March:
27.7°C
Average high temperature in April:
28.3°C
Average high temperature in May:
28.8°C
Average high temperature in June:
29.3°C

Average high temperature in July:
29.4°C
Average high temperature in August:
29.8°C
Average high temperature in September:
30.3°C
Average high temperature in October:
29.8°C
Average high temperature in November:
29.2°C
Average high temperature in December:
28.2°C

The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).

Average low temperature in January:
25.1°C
Average low temperature in February:
25.1°C
Average low temperature in March:
25°C
Average low temperature in April:
25.5°C
Average low temperature in May:
26.5°C
Average low temperature in June:
26.8°C

Average low temperature in July:
26.8°C
Average low temperature in August:
26.9°C
Average low temperature in September:
27°C
Average low temperature in October:
27.2°C
Average low temperature in November:
26.6°C
Average low temperature in December:
25.7°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

Average pressure
Monchy, Saint Lucia

Average pressure in January:
1014.6mbar
Average pressure in February:
1014.6mbar
Average pressure in March:
1014.5mbar
Average pressure in April:
1014.1mbar
Average pressure in May:
1014.3mbar
Average pressure in June:
1015mbar

Average pressure in July:
1014.7mbar
Average pressure in August:
1013.5mbar
Average pressure in September:
1012.6mbar
Average pressure in October:
1011.7mbar
Average pressure in November:
1011.4mbar
Average pressure in December:
1013.4mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed
Monchy, Saint Lucia

Average wind speed in January:
24.5km/h
Average wind speed in February:
24.7km/h
Average wind speed in March:
22.7km/h
Average wind speed in April:
21.8km/h
Average wind speed in May:
22.3km/h
Average wind speed in June:
24.3km/h

Average wind speed in July:
23.5km/h
Average wind speed in August:
19.9km/h
Average wind speed in September:
16.7km/h
Average wind speed in October:
18km/h
Average wind speed in November:
19.7km/h
Average wind speed in December:
22.5km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

Average humidity
Monchy, Saint Lucia

The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).

Average rainfall
Monchy, Saint Lucia

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days
Monchy, Saint Lucia

Average rainfall days in January:
19.2 days
Average rainfall days in February:
16.4 days
Average rainfall days in March:
18.8 days
Average rainfall days in April:
20.3 days
Average rainfall days in May:
22.9 days
Average rainfall days in June:
23.8 days

Average rainfall days in July:
26.5 days
Average rainfall days in August:
25.9 days
Average rainfall days in September:
20.3 days
Average rainfall days in October:
21 days
Average rainfall days in November:
21 days
Average rainfall days in December:
19.1 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

Average daylight / Average sunshine
Monchy, Saint Lucia

Average daylight in January:
11h and 2min
Average daylight in February:
11h and 4min
Average daylight in March:
12h and 1min
Average daylight in April:
12h and 3min
Average daylight in May:
12h and 5min
Average daylight in June:
12h and 5min

Average daylight in July:
12h and 5min
Average daylight in August:
12h and 4min
Average daylight in September:
12h and 1min
Average daylight in October:
11h and 5min
Average daylight in November:
11h and 3min
Average daylight in December:
11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

Average sunshine in January:
7h and 0min
Average sunshine in February:
8h and 3min
Average sunshine in March:
8h and 2min
Average sunshine in April:
9h and 5min
Average sunshine in May:
9h and 3min
Average sunshine in June:
9h and 1min

Average sunshine in July:
9h and 2min
Average sunshine in August:
9h and 4min
Average sunshine in September:
9h and 4min
Average sunshine in October:
8h and 1min
Average sunshine in November:
6h and 3min
Average sunshine in December:
6h and 2min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days
Monchy, Saint Lucia

Average sunshine days in January:
7.8 days
Average sunshine days in February:
7.1 days
Average sunshine days in March:
7.4 days
Average sunshine days in April:
5.1 days
Average sunshine days in May:
2.8 days
Average sunshine days in June:
1.5 days

Average sunshine days in July:
0.8 days
Average sunshine days in August:
1.3 days
Average sunshine days in September:
5.2 days
Average sunshine days in October:
5.5 days
Average sunshine days in November:
4.4 days
Average sunshine days in December:
7.3 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index
Monchy, Saint Lucia

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

Average cloud cover
Monchy, Saint Lucia

The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

Average visibility
Monchy, Saint Lucia

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).

Climate and monthly weather forecastMonchy, Saint Lucia

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