Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Saint-Louis sees its peak of temperatures during January through March, with an average high-temperature of 26.3°C (79.3°F).Humidity
The months with the highest humidity in Saint-Louis, Reunion, are January through April, with an average relative humidity of 81%.Rainfall
January is the month with the most rainfall. Rain falls for 23.7 days and accumulates 162mm (6.38") of precipitation.Daylight
In Saint-Louis, the average length of the day in January is 13h and 16min.On the first day of the month, sunrise is at 05:39 and sunset at 19:03. On the last day of January, sunrise is at 05:59 and sunset at 19:03 +04.
Sunshine
In January, the average sunshine is 10.1h.UV index
The months with the lowest UV index are January, March through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in January interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Saint-Louis?
What is the usual temperature for Saint-Louis in January?
What are the most humid months in Saint-Louis?
What is the average humidity in January in Saint-Louis?
What is the rainiest month in Saint-Louis?
How much does it rain in Saint-Louis in January?
How many hours of daylight does Saint-Louis have in January?
What time are sunrise and sunset in January in Saint-Louis?
How long on average sun shines in January in Saint-Louis?
When is the lowest UV index in Saint-Louis?
What is the UV index reading in January in Saint-Louis?
Average temperature in January
Saint-Louis, Reunion
- Average high temperature in January: 26.3°C
The warmest months (with the highest average high temperature) are January, February and March (26.3°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in January: 24.3°C
The months with the highest average low temperature are January and February (24.3°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in January
Saint-Louis, Reunion
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is August (1021.5mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in January
Saint-Louis, Reunion
- Average wind speed in January: 15.8km/h
The windiest month (with the highest average wind speed) is July (19.8km/h).
The calmest month (with the lowest average wind speed) is November (13.4km/h).
Average humidity in January
Saint-Louis, Reunion
- Average humidity in January: 81%
The months with the highest relative humidity are January, February, March and April (81%).
The months with the lowest relative humidity are July, August and September (77%).
Average rainfall in January
Saint-Louis, Reunion
- Average rainfall in January: 162mm
The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in January
Saint-Louis, Reunion
- Average rainfall days in January: 23.7 days
The month with the highest number of rainy days is March (24.9 days).
The month with the least rainy days is September (9.5 days).
Average daylight in January /
Average sunshine in January
Saint-Louis, Reunion
- Average daylight in January: 13h and 2min
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: 10h and 1min
The month with the most sunshine is October (Average sunshine: 10h and 54min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).
Average sunshine days in January
Saint-Louis, Reunion
- Average sunshine days in January: 2.9 days
The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is February (1.7 days).
Average UV index in January
Saint-Louis, Reunion
- Average UV index in January: 6
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in January
Saint-Louis, Reunion
- Average cloud cover in January: 37
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 21).
Average visibility in January
Saint-Louis, Reunion
- Average visibility in January: 10km
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).
Saint-Louis, Reunion
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