January weather forecastRantau, Malaysia

January

Weather in January

January, like December, is a hot winter month in Rantau, Malaysia, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 30.8°C (87.4°F).

Temperature

Rantau's January reports an average high-temperature of a still tropical 30.8°C (87.4°F), exhibiting a minor difference from December. Rantau usually reports an average low-temperature of 22.8°C (73°F) during the month of January.

Heat index

January's average heat index is computed to be a scorching 41°C (105.8°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In January, the average relative humidity is 81%.

Rainfall

In Rantau, in January, it is raining for 21.8 days, with typically 74mm (2.91") of accumulated precipitation. Throughout the year, there are 245.4 rainfall days, and 951mm (37.44") of precipitation is accumulated.

Daylight

In January, the average length of the day is 11h and 59min.
On the first day of the month, sunrise is at 7:16 am and sunset at 7:14 pm. On the last day of January, sunrise is at 7:25 am and sunset at 7:25 pm +08.

Sunshine

In Rantau, the average sunshine in January is 7.5h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 7 during January morphs into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during January is 30.8°C (87.4°F) and the low-temperature is 22.8°C (73°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in January is computed to be 41°C (105.8°F).

The average relative humidity in January is 81%.

In January, the rain falls for 21.8 days. Throughout January, 74mm (2.91") of precipitation is accumulated.

In January, the average day length is 11h and 59min.

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 7:14 pm. On the last day of the month, in Rantau, sunrise is at 7:25 am and sunset at 7:25 pm +08.

The average sunshine duration in January in Rantau is 7.5h.

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7.

The average daily maximum UV index in January is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

30.5°C

30.8°C

32.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.7km/h

6.4km/h

6.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.9

6.5

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Rantau, Malaysia

Average high temperature in January: 30.8°C

The warmest months (with the highest average high temperature) are March, April and May (32.3°C).
The month with the lowest average high temperature is December (30.5°C).

Average low temperature in January: 22.8°C

The month with the highest average low temperature is May (24.4°C).
The coldest months (with the lowest average low temperature) are January and February (22.8°C).

Average pressure in January
Rantau, Malaysia

Average pressure in January: 1010.3mbar

The months with the highest atmospheric pressure are January and February (1010.3mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).

Average wind speed in January
Rantau, Malaysia

Average wind speed in January: 6km/h

The windiest month (with the highest average wind speed) is February (6.2km/h).
The calmest months (with the lowest average wind speed) are April and November (4.7km/h).

Average humidity in January
Rantau, Malaysia

Average humidity in January: 81%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in January
Rantau, Malaysia

Average rainfall in January: 74mm

The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in January
Rantau, Malaysia

Average rainfall days in January: 21.8 days

The month with the highest number of rainy days is March (25.6 days).
The month with the least rainy days is September (16.5 days).

Average daylight in January /
Average sunshine in January
Rantau, Malaysia

Average daylight in January: 12h and 0min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).

Average sunshine in January: 7h and 30min

The months with the most sunshine are July, August and September (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days in January
Rantau, Malaysia

Average sunshine days in January: 8 days

The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is March (4.7 days).

Average UV index in January
Rantau, Malaysia

Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).

Average cloud cover in January
Rantau, Malaysia

Average cloud cover in January: 46

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Rantau, Malaysia

Average visibility in January: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).