The weather in January in Saint Lucia
It's warm in January in Saint Lucia with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 29°C. At night, you can expect temperatures between 24°C and 25°C.
Looking for sun? January isn’t a good month to be in Saint Lucia. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Saint Lucia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2020, Saint Lucia reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 25°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 26°C.
Rainfall amount
In January, there is an average of 119 mm of precipitation, spread over 15 days. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in January for Saint Lucia
Click on any day in January to get detailed info about the usual weather on that day in Saint Lucia. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Saint Lucia | New York | |
|---|---|---|
| Average temperature | 29°C | 5°C |
| Max. temperature | 29°C | 11°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 119 mm | 97 mm |
| Rainy days | 15 days | 12 days |
Start of January
The month of January starts in Saint Lucia with hot temps, averaging around 29°C during the day and nights around 25°C.
Mid January
By mid-January, daytime temps stay steady at around 29°C, with nights around 25°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Saint Lucia is around 29°C, while nighttime temps are about 25°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Saint Lucia for all months and discover the best travel time
The climate in Saint Lucia is based on weather data from Castries. Other spots might have different weather. You can check out all destinations in Saint Lucia to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in January in Saint Lucia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Saint Lucia
Temperature in January in Saint Lucia over the years
Precipitation charts
These charts show the average amount of precipitation in January in Saint Lucia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Saint Lucia
Total precipitation in January in Saint Lucia over the years
Daily UV index in January in Saint Lucia
This chart shows the average daily UV index in January in Saint Lucia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Saint Lucia
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Average weather in Saint Lucia by month
Click on a month below to see detailed weather info for Saint Lucia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.