Climate and monthly weather forecastLayou, Dominica
Climate and monthly weather forecast
The climate of Layou
Situated in the beautiful Caribbean archipelago and nestled on the island of Dominica, Layou falls under the Af classification according to the Köppen Climate system. This classification generally denotes a tropical rainforest climate to which Layou's weather patterns adhere. Rain showers are frequent occurrences throughout the year, and relative humidity ranges from 74% to 77%, adding to the tropical feel of the area. The temperature exhibits minor fluctuations, with average highs oscillating between 26.4°C (79.5°F) during February and March, to 29°C (84.2°F) in September. Similarly, the average low temperatures experience slight changes, from 25.3°C (77.5°F) in February and March to 27.8°C (82°F) in October.Incidentally, pressure changes mirror this pattern, with the lowest average pressure of 1012mb observable in December and peaking at 1015.6mb by June. Sunshine hours also follow a similar vein despite the persistent rain showers, ranging between 6.5 hours in December and 10.4 hours in August. This fairly constant illumination contributes to the unique subtropical greenery endemic to this region.
The best time to visit Layou
Though the tropical climate remains consistent throughout the year, the best time to visit Layou depends on individual visitor preferences. Between June and September, the temperature reaches its peak with highs oscillating from 28.3°C (82.9°F) to 29°C (84.2°F), making it an ideal period for beach activities. Despite the increased possibility of rainfall during these months, it's balanced by the highest average sunshine hours of the year, ranging from 9.6 hours in June to an annual high of 10.4 hours in August.The worst time to visit Layou
The peak of rainfall occurs between July and November, with August receiving the highest rainfall, measuring 90mm (3.54"). Relative humidity also peaks during this period, which some might find uncomfortable. Additionally, in December, sunshine hours dwindle to the annual lowest, standing at 6.5 hours, which might dissuade tourists desiring extensive sunlight exposure.Spring weather in Layou
During the spring period from March to May, the weather remains rather consistent in Layou. After a slight decrease in February, temperatures start rising again, with the highest temperature in May reaching 27.9°C (82.2°F), and the lowest also increasing to 26.8°C (80.2°F). Rainfall is more noticeable in this season, peaking at 63mm (2.48") in May. Yet it’s balanced by long daylight hours, reaching up to 12.9 hours in May.Summer weather in Layou
The summer season, from June to August, is characterized by a gradual increase in both temperature and rainfall. The temperature peaks in August, with the average high reaching 28.9°C (84°F) and the average low at 27.6°C (81.7°F). Rainfall shows an upward trend, peaking at 90mm (3.54"), in August. However, being the Caribbean, long, sunny days are still the norm here, with daylight hours peaking at 13 hours in June.Autumn weather in Layou
Entering autumn in September, temperatures in Layou remain relatively high, with the average high peaking at 29°C (84.2°F) and the average low around 27.7°C (81.9°F). Rainfall remains quite significant from September to November, ranging between 86mm (3.39") and 84mm (3.31"), making Autumn the most humid season. However, sunshine hours begin to decrease, reaching down to 8.1 hours in November.Winter weather in Layou
Lastly, winter months from December to February exhibit a cool-down phase in Layou. The average high temperature decreases to 26.7°C (80.1°F) in December and maintains in the 26°C (78.8°F) range until February. Simultaneously, average lows range between 25.8°C (78.4°F) in December and 25.3°in February. The rainfall eases slightly with December receiving 50mm (1.97"). Sunshine hours dwindle reaching the annual lowest of 6.5 hours in December. Nonetheless, the overall mild weather and lesser rainfall make winter an attractive season for visitors.Weather in January
January's relative humidity of 75% and cloud cover of 36% in Layou, Dominica result in comfortable weather conditions. Lower temperatures from December create a gentle ease into the new year. January presents an inviting climate for outdoor activities without the fear of severe heat. Weather in January »Weather in February
As the weather shifts from January to February in Layou, Dominica, the weather remains comfortably pleasant. February holds a regular daytime temperature that lightly elevates from the preceding month. The rainfall, although increased from that of January at 26mm (1.02"), stays relatively low. Weather in February »Weather in March
In March, Layou, Dominica enjoys a weather pattern very similar to February. The minor elevation in average temperature indicates a subtle transition towards warmer months ahead. In addition, the rainfall still remains quite manageable at 27mm (1.06"). Weather in March »Weather in April
The monthly climate data reveals a noteworthy shift in Layou, Dominica's weather from March to April. The most conspicuous feature being the continuous increase in temperature leading to a warmer atmosphere. A significant increase in rainfall at 47mm (1.85") defines the arrival of monsoon months. Weather in April »Weather in May
May, in Layou, Dominica, continues the gradual pace established in April. The temperature rises just slightly making the atmosphere almost identical to the previous month. However, a marked increase in rainfall at 63mm (2.48") marks a steeper onset of the rainy season. Weather in May »Weather in June
June's weather in Layou, Dominica reflects an interesting equilibrium between the diverse climatic parameters. The significant decrease in rainfall from May to 50mm (1.97") is counterbalanced by a rise in temperature. Simultaneously, there's a major pullback in the wind speed. Weather in June »Weather in July
Moving from June to July, Layou, Dominica's weather twirls towards the slightly drier side accompanied by its hottest monthly temperatures at 28.3°C (82.9°F). The decline in rainfall continues to 73mm (2.87"), signifying a truce in the stormy showers. Weather in July »Weather in August
August in Layou, Dominica introduces the wettest month of the year with a significant surge in rainfall to 90mm (3.54"). However, the figure is tempered by a slight dip in temperature, leading to a more bearable atmosphere. Continuing July's trajectory, wind speed keeps reducing. Weather in August »Weather in September
As Layou, Dominica transitions from August to September, a slight uptick in temperature gives the last kick of summer heat. Despite this, the overall weather in September offers a gentle touch owing to reduced wind speed to 20.2km/h (12.6mph). Weather in September »Weather in October
October maintains the fall weather pattern in Layou, Dominica with a minor decrease in temperatures. A remarkable drop in wind speed spells quieter times ahead. However, the season's highest rainfall count at 91mm (3.58") is observed, asserting October as the rainiest month of the year. Weather in October »Weather in November
November in Layou, Dominica is noticeably cooler than October, indicating the onset of the cooler season. Coinciding with this, the relentless rainfall from previous months plummets to 84mm (3.31"), curtailing the rainy spell. Weather in November »Weather in December
December, the final month of the year, ushers in a further drop in temperature in Layou, Dominica as compared to November. Consequently, the onset of winter is marked by the retreat of wind speeds to 25.4km/h (15.8mph). Despite the receding rainfall to 50mm (1.97"), the shortest daylight hours of the year pose an interesting contrast. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Layou, Dominica
The warmest month (with the highest average high temperature) is September (29°C).
The months with the lowest average high temperature are February and March (26.4°C).
The month with the highest average low temperature is October (27.8°C).
The coldest months (with the lowest average low temperature) are February and March (25.3°C).
Average pressure
Layou, Dominica
- Average pressure in January:
1015.4mbar - Average pressure in February:
1015.3mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1015.3mbar - Average pressure in August:
1014mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1012.2mbar - Average pressure in November:
1012mbar - Average pressure in December:
1014.1mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed
Layou, Dominica
- Average wind speed in January:
27.1km/h - Average wind speed in February:
26.8km/h - Average wind speed in March:
24.7km/h - Average wind speed in April:
24.4km/h - Average wind speed in May:
24.5km/h - Average wind speed in June:
25.8km/h
- Average wind speed in July:
25.8km/h - Average wind speed in August:
23.2km/h - Average wind speed in September:
20.2km/h - Average wind speed in October:
20.2km/h - Average wind speed in November:
22.2km/h - Average wind speed in December:
25.4km/h
The windiest month (with the highest average wind speed) is January (27.1km/h).
The calmest months (with the lowest average wind speed) are September and October (20.2km/h).
Average humidity
Layou, Dominica
The months with the highest relative humidity are May, June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).
Average rainfall
Layou, Dominica
The wettest month (with the highest rainfall) is October (91mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days
Layou, Dominica
- Average rainfall days in January:
22.4 days - Average rainfall days in February:
18.5 days - Average rainfall days in March:
18.1 days - Average rainfall days in April:
21.1 days - Average rainfall days in May:
23.7 days - Average rainfall days in June:
20.4 days
- Average rainfall days in July:
23.8 days - Average rainfall days in August:
22.1 days - Average rainfall days in September:
21.5 days - Average rainfall days in October:
23 days - Average rainfall days in November:
23 days - Average rainfall days in December:
23.7 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is March (18.1 days).
Average daylight / Average sunshine
Layou, Dominica
- Average daylight in January:
11h and 18min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 54min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 36min - Average sunshine in April:
10h and 6min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 24min - Average sunshine in September:
10h and 18min - Average sunshine in October:
8h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Layou, Dominica
- Average sunshine days in January:
3.1 days - Average sunshine days in February:
3.9 days - Average sunshine days in March:
5.3 days - Average sunshine days in April:
3.1 days - Average sunshine days in May:
1.5 days - Average sunshine days in June:
1.3 days
- Average sunshine days in July:
1.3 days - Average sunshine days in August:
4.1 days - Average sunshine days in September:
6.1 days - Average sunshine days in October:
4.5 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
2.6 days
The month with the most sunshine days is September (6.1 days).
The months with the least sunshine days are June and July (1.3 days).
Average UV index
Layou, Dominica
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Layou, Dominica
The months with the most cloud cover are June and July (Cloud cover 45).
The month with the least cloud cover is February (Cloud cover 34).
Average visibility
Layou, Dominica
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).





