Petaling Jaya Weather in January

January in Petaling Jaya brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 23°C (73°F). It's part of the rainy season, with 220 mm (8.7 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Petaling Jaya in January

As part of the rainy season, Petaling Jaya sees around 15 days of rain in January, with an average of 220 mm (8.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Petaling Jaya in January

Petaling Jaya in January gets highs of 32°C (90°F) during the day and drops to 23°C (73°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Petaling Jaya in January

The city usually sees around 185 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Petaling Jaya in January

January sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

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• January
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For a detailed overview over the year and the best time to visit Malaysia, check out our Petaling Jaya's climate page.

Petaling Jaya Temperature in January

Min Temperature 23°C (73°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 51%  

Precipitation 220 mm (8.7 in)  

Rainy days 15 days  

Humidity 80% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 185 hours *  

Percentage Sunshine *  

* Data from: Kuala Lumpur, Malaysia (6 KM, 4 Miles).

Daily Historical Temperatures

50-year average (1976-2026)

Based on our historical records, temperatures in Petaling Jaya typically stay consistent throughout January, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in January

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Daily Historical Precipitation

50-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

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Historical weather for Petaling Jaya in January

Browse day-by-day weather records for Petaling Jaya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Petaling Jaya historical weather extremes in January

Based on 41 years of weather observations (1984-2025), these are the most extreme conditions recorded in Petaling Jaya.

• The hottest January day on record in Petaling Jaya reached 36°C (97°F) (January 24, 2020).
• The lowest daytime temperature in January was 25°C (77°F), recorded on January 3, 2021.
• The coldest night in January in Petaling Jaya was on January 15, 1985, with a minimum of 19°C (66°F).

What to Wear in Petaling Jaya in January

Warm but pleasant conditions in Petaling Jaya in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Petaling Jaya in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Malaysia, check out our Petaling Jaya's climate page.

More climate data for Petaling Jaya

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Petaling Jaya climate overview or explore weather in Malaysia.