Banjul
The Gambia
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Banjul, The Gambia

A bird
A bird's eye view of the cool city of Banjul in the Gambia, with a distant view of the Gambia River
January, the same as December, in Banjul, The Gambia, is a hot winter month, with average temperature ranging between max 31°C (87.8°F) and min 15°C (59°F).

Temperature

In Banjul, the average high-temperature remains equal as in December - a still tropical 31°C (87.8°F). The average low-temperature, in January, is 15°C (59°F).

Heat index

In January, the average heat index is estimated at a tropical 32.1°C (89.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In January, the average relative humidity is 47%.

Rainfall

In Banjul, 3mm (0.1") of precipitation is typically accumulated. During the entire year, Banjul aggregates up to 1296mm (51") of precipitation.

Sea temperature

In January, the average sea temperature is 22°C (71.6°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22°C (71.6°F).

Daylight

In January, the average length of the day is 11.4h.

Sunshine

In January, the average sunshine is 9h.

UV index

In Banjul, the average daily maximum UV index in January is 10. A UV Index of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 10 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in January in Banjul?

In Banjul, in January, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 15°C (59°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, in January is estimated at 32.1°C (89.8°F).

What is the average humidity in January in Banjul?

In January, the average relative humidity in Banjul is 47%.

How much does it rain in Banjul in January?

During January, Banjul regularly aggregates up to 3mm (0.1") of precipitation.

What is the water temperature in January in Banjul?

In Banjul, The Gambia, the average seawater temperature in January is 22°C (71.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22°C (71.6°F).

What is the average length of the day in January in Banjul?

The average length of the day in January is 11.4h.

How many hours of sunshine does Banjul have in January?

In Banjul, the average sunshine in January is 9h.

What is the UV index intensity in January in Banjul?

In January, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Banjul, The Gambia
  • Average high temperature in January: 31°C

The warmest month (with the highest average high temperature) is March (34°C).
The month with the lowest average high temperature is August (29°C).

  • Average low temperature in January: 15°C

Months with the highest average low temperature are June, July, August and September (23°C).
The coldest month (with the lowest average low temperature) is January (15°C).

Average humidity in January - Banjul, The Gambia
  • Average humidity in January: 47%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is February (46%).

Average rainfall in January - Banjul, The Gambia
  • Average rainfall in January: 3mm

The wettest month (with the highest rainfall) is August (500mm).
Driest months (with the lowest rainfall) are March and April (0mm).

Average rainfall days in January - Banjul, The Gambia
  • Average rainfall days in January: 0 days

Months with the highest number of rainy days are August and September (19 days).
Months with the lowest number of rainy days are January, February, March and April (0 days).

Average sea temperature in January - Banjul, The Gambia
  • Average sea temperature in January: 22°C

Best months for swimming (with the highest average sea temperature) are July, August, September, October and November (28°C).
Coldest months (with the lowest average sea temperature) are February and March (21°C).

Average daylight in January / Average sunshine in January - Banjul, The Gambia
  • Average daylight in January: 11.4h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in January: 9h

The month with most sunshine is February (Average sunshine: 10.1h).
Months with least sunshine are July, August and September (Average sunshine: 6).

Average UV index in January - Banjul, The Gambia
  • Average UV index in January: 10

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).