January weather forecastMorne Longue, Grenada
January
Weather in January
During January, Morne Longue welcomes the New Year with an appreciable level of heat, characterized by temperatures hovering between 26.3°C (79.3°F) and 26.9°C (80.4°F). Humidity remains relatively constant, creating a slightly sticky but manageable environment. The slightly dry weather, combined with an annual low of 41mm (1.61") in rainfall, makes the month suitable for outdoor activities. Visibility stays clear at 10km (6.2mi) throughout the month, allowing visitors to enjoy stunning and unobstructed scenic views of the city. Wind speed averages around 29.3km/h (18.2mph), delivering a cooling effect that can compensate for the high temperature and humidity levels.Temperature
January registers an average high-temperature of a still warm 26.9°C (80.4°F), slightly varied from December's 27.7°C (81.9°F). Morne Longue's January nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still warm 26.3°C (79.3°F).Humidity
The months with the lowest humidity are January, February and September, with an average relative humidity of 76%.Rainfall
In Morne Longue, in January, it is raining for 21.9 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 249.7 rainfall days, and 774mm (30.47") of precipitation is accumulated.Snowfall
In Morne Longue, snow does not fall in January through August, October through December.Daylight
The average length of the day in January in Morne Longue is 11h and 31min.On the first day of the month, sunrise is at 06:27 and sunset at 17:53. On the last day of January, sunrise is at 06:31 and sunset at 18:08 AST.
Sunshine
In January, the average sunshine is 7.8h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 7 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Morne Longue, Grenada
- Average high temperature in January: 26.9°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in January: 26.3°C
The month with the highest average low temperature is September (28.1°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in January
Morne Longue, Grenada
- Average pressure in January: 1014mbar
The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in January
Morne Longue, Grenada
- Average wind speed in January: 29.3km/h
The windiest month (with the highest average wind speed) is February (29.9km/h).
The calmest month (with the lowest average wind speed) is September (21.6km/h).
Average humidity in January
Morne Longue, Grenada
- Average humidity in January: 76%
The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are January, February and September (76%).
Average rainfall in January
Morne Longue, Grenada
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in January
Morne Longue, Grenada
- Average rainfall days in January: 21.9 days
The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is April (16 days).
Average snowfall days in January
Morne Longue, Grenada
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Morne Longue, Grenada
- Average daylight in January: 11h and 30min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in January
Morne Longue, Grenada
- Average sunshine days in January: 4.5 days
The month with the most sunshine days is March (7.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in January
Morne Longue, Grenada
- Average UV index in January: 7
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 in January
Morne Longue, Grenada
- Average cloud cover in January: 38
The months with the most cloud cover are June, July and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in January
Morne Longue, Grenada
- 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).





