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Colombo

Sri Lanka · South Asia

CityCoastal

Year-round range: 74°F to 90°F

Best months to visit:

January

Good time to visit

Partly sunnyRain-proneHot afternoonsWarm nightsHumid
78
/100
Temperature
Warm
86°F
Precipitation
Rain-prone
12 days
Sunshine
Some sun
5h/day
Air comfort
Very humid
🌴Consistently warm year-round — this destination sits near the equator with minimal seasonal variation.
🌧️Rainy season runs Sep–Nov (3 months).

Your monthly fit score

Comfort fit by month.

Climate details▼

Temperature

Average highs and lows.

January is warm and sunny — good beach and outdoor weather.

Typical rangeAvg highAvg low

Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.

| = Jan

Rainfall

Monthly rain and rain days.

January has moderate rainfall — occasional showers but mostly manageable.

in totalwet-day risk

Sunshine

Average hours of bright sun per day.

January has decent sunshine — a mix of sun and cloud.

Sun hoursCloud cover

Clear sky

CloudierClearer

Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.

Air comfort by month

Warm, humid air is the norm here — typical for a tropical beach destination.

January has the expected warm, humid beach air — rain, cloud, and sea conditions matter more.

Comfortable airWarmHotWarm & humidVery humid

Time-of-day patterns

Typical hourly rhythm for January.

Temperature by hour

Morning
8 AM – 12 PM
83°F
Best window
Mid-day
12 PM – 3 PM
87°F
Warmest period
Afternoon
3 PM – 6 PM
85°F
Evening
6 PM – 10 PM
81°F
Rain chance
4%
11%
20%
9%
Cloud cover
53%
58%
62%
57%
Humidity
100%
98%
100%
100%
🌙 Overnight75°F4% rain chance100% muggy

Temperature by hour and month

Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.

In January, afternoons reach about 85° and nights settle near 74°.

January 12 AM - 76° (Warm) - NighttimeJanuary 1 AM - 76° (Warm) - NighttimeJanuary 2 AM - 75° (Comfortable) - NighttimeJanuary 3 AM - 74° (Comfortable) - NighttimeJanuary 4 AM - 74° (Comfortable) - NighttimeJanuary 5 AM - 74° (Comfortable) - NighttimeJanuary 6 AM - 74° (Comfortable) - NighttimeJanuary 7 AM - 76° (Warm)January 8 AM - 80° (Warm)January 9 AM - 81° (Warm)January 10 AM - 85° (Hot)January 11 AM - 86° (Hot)January 12 PM - 87° (Hot)January 1 PM - 87° (Hot)January 2 PM - 87° (Hot)January 3 PM - 85° (Hot)January 4 PM - 85° (Hot)January 5 PM - 84° (Warm)January 6 PM - 83° (Warm)January 7 PM - 82° (Warm) - NighttimeJanuary 8 PM - 79° (Warm) - NighttimeJanuary 9 PM - 78° (Warm) - NighttimeJanuary 10 PM - 77° (Warm) - NighttimeJanuary 11 PM - 77° (Warm) - NighttimeFebruary 12 AM - 78° (Warm) - NighttimeFebruary 1 AM - 77° (Warm) - NighttimeFebruary 2 AM - 76° (Warm) - NighttimeFebruary 3 AM - 75° (Warm) - NighttimeFebruary 4 AM - 75° (Warm) - NighttimeFebruary 5 AM - 75° (Warm) - NighttimeFebruary 6 AM - 75° (Warm) - NighttimeFebruary 7 AM - 77° (Warm)February 8 AM - 81° (Warm)February 9 AM - 83° (Warm)February 10 AM - 87° (Hot)February 11 AM - 88° (Hot)February 12 PM - 89° (Hot)February 1 PM - 90° (Hot)February 2 PM - 90° (Hot)February 3 PM - 88° (Hot)February 4 PM - 88° (Hot)February 5 PM - 87° (Hot)February 6 PM - 86° (Hot)February 7 PM - 83° (Warm) - NighttimeFebruary 8 PM - 81° (Warm) - NighttimeFebruary 9 PM - 80° (Warm) - NighttimeFebruary 10 PM - 79° (Warm) - NighttimeFebruary 11 PM - 78° (Warm) - NighttimeMarch 12 AM - 80° (Warm) - NighttimeMarch 1 AM - 79° (Warm) - NighttimeMarch 2 AM - 78° (Warm) - NighttimeMarch 3 AM - 78° (Warm) - NighttimeMarch 4 AM - 77° (Warm) - NighttimeMarch 5 AM - 78° (Warm) - NighttimeMarch 6 AM - 78° (Warm)March 7 AM - 79° (Warm)March 8 AM - 84° (Warm)March 9 AM - 85° (Hot)March 10 AM - 89° (Hot)March 11 AM - 90° (Hot)March 12 PM - 90° (Hot)March 1 PM - 91° (Hot)March 2 PM - 91° (Hot)March 3 PM - 88° (Hot)March 4 PM - 88° (Hot)March 5 PM - 87° (Hot)March 6 PM - 86° (Hot)March 7 PM - 84° (Warm) - NighttimeMarch 8 PM - 82° (Warm) - NighttimeMarch 9 PM - 81° (Warm) - NighttimeMarch 10 PM - 80° (Warm) - NighttimeMarch 11 PM - 80° (Warm) - NighttimeApril 12 AM - 80° (Warm) - NighttimeApril 1 AM - 79° (Warm) - NighttimeApril 2 AM - 79° (Warm) - NighttimeApril 3 AM - 78° (Warm) - NighttimeApril 4 AM - 78° (Warm) - NighttimeApril 5 AM - 78° (Warm) - NighttimeApril 6 AM - 78° (Warm)April 7 AM - 81° (Warm)April 8 AM - 84° (Hot)April 9 AM - 85° (Hot)April 10 AM - 88° (Hot)April 11 AM - 89° (Hot)April 12 PM - 89° (Hot)April 1 PM - 89° (Hot)April 2 PM - 88° (Hot)April 3 PM - 85° (Hot)April 4 PM - 85° (Hot)April 5 PM - 84° (Hot)April 6 PM - 84° (Hot)April 7 PM - 83° (Warm) - NighttimeApril 8 PM - 81° (Warm) - NighttimeApril 9 PM - 81° (Warm) - NighttimeApril 10 PM - 80° (Warm) - NighttimeApril 11 PM - 80° (Warm) - NighttimeMay 12 AM - 80° (Warm) - NighttimeMay 1 AM - 80° (Warm) - NighttimeMay 2 AM - 79° (Warm) - NighttimeMay 3 AM - 79° (Warm) - NighttimeMay 4 AM - 79° (Warm) - NighttimeMay 5 AM - 80° (Warm) - NighttimeMay 6 AM - 80° (Warm)May 7 AM - 81° (Warm)May 8 AM - 84° (Warm)May 9 AM - 84° (Warm)May 10 AM - 86° (Hot)May 11 AM - 86° (Hot)May 12 PM - 86° (Hot)May 1 PM - 86° (Hot)May 2 PM - 86° (Hot)May 3 PM - 84° (Hot)May 4 PM - 84° (Hot)May 5 PM - 84° (Warm)May 6 PM - 84° (Warm)May 7 PM - 83° (Warm) - NighttimeMay 8 PM - 81° (Warm) - NighttimeMay 9 PM - 81° (Warm) - NighttimeMay 10 PM - 81° (Warm) - NighttimeMay 11 PM - 81° (Warm) - NighttimeJune 12 AM - 80° (Warm) - NighttimeJune 1 AM - 79° (Warm) - NighttimeJune 2 AM - 79° (Warm) - NighttimeJune 3 AM - 79° (Warm) - NighttimeJune 4 AM - 79° (Warm) - NighttimeJune 5 AM - 79° (Warm) - NighttimeJune 6 AM - 79° (Warm)June 7 AM - 80° (Warm)June 8 AM - 82° (Warm)June 9 AM - 83° (Warm)June 10 AM - 84° (Hot)June 11 AM - 85° (Hot)June 12 PM - 84° (Hot)June 1 PM - 85° (Hot)June 2 PM - 84° (Hot)June 3 PM - 83° (Warm)June 4 PM - 83° (Warm)June 5 PM - 83° (Warm)June 6 PM - 83° (Warm)June 7 PM - 82° (Warm) - NighttimeJune 8 PM - 80° (Warm) - NighttimeJune 9 PM - 80° (Warm) - NighttimeJune 10 PM - 80° (Warm) - NighttimeJune 11 PM - 80° (Warm) - NighttimeJuly 12 AM - 79° (Warm) - NighttimeJuly 1 AM - 79° (Warm) - NighttimeJuly 2 AM - 78° (Warm) - NighttimeJuly 3 AM - 78° (Warm) - NighttimeJuly 4 AM - 78° (Warm) - NighttimeJuly 5 AM - 78° (Warm) - NighttimeJuly 6 AM - 78° (Warm)July 7 AM - 80° (Warm)July 8 AM - 82° (Warm)July 9 AM - 82° (Warm)July 10 AM - 84° (Warm)July 11 AM - 84° (Warm)July 12 PM - 84° (Warm)July 1 PM - 84° (Warm)July 2 PM - 84° (Warm)July 3 PM - 83° (Warm)July 4 PM - 82° (Warm)July 5 PM - 82° (Warm)July 6 PM - 82° (Warm)July 7 PM - 81° (Warm) - NighttimeJuly 8 PM - 80° (Warm) - NighttimeJuly 9 PM - 80° (Warm) - NighttimeJuly 10 PM - 80° (Warm) - NighttimeJuly 11 PM - 79° (Warm) - NighttimeAugust 12 AM - 79° (Warm) - NighttimeAugust 1 AM - 79° (Warm) - NighttimeAugust 2 AM - 78° (Warm) - NighttimeAugust 3 AM - 78° (Warm) - NighttimeAugust 4 AM - 78° (Warm) - NighttimeAugust 5 AM - 78° (Warm) - NighttimeAugust 6 AM - 78° (Warm)August 7 AM - 79° (Warm)August 8 AM - 82° (Warm)August 9 AM - 82° (Warm)August 10 AM - 84° (Warm)August 11 AM - 84° (Warm)August 12 PM - 84° (Warm)August 1 PM - 84° (Hot)August 2 PM - 84° (Warm)August 3 PM - 82° (Warm)August 4 PM - 82° (Warm)August 5 PM - 82° (Warm)August 6 PM - 82° (Warm)August 7 PM - 81° (Warm) - NighttimeAugust 8 PM - 80° (Warm) - NighttimeAugust 9 PM - 80° (Warm) - NighttimeAugust 10 PM - 79° (Warm) - NighttimeAugust 11 PM - 79° (Warm) - NighttimeSeptember 12 AM - 79° (Warm) - NighttimeSeptember 1 AM - 78° (Warm) - NighttimeSeptember 2 AM - 78° (Warm) - NighttimeSeptember 3 AM - 77° (Warm) - NighttimeSeptember 4 AM - 77° (Warm) - NighttimeSeptember 5 AM - 78° (Warm) - NighttimeSeptember 6 AM - 78° (Warm)September 7 AM - 79° (Warm)September 8 AM - 82° (Warm)September 9 AM - 82° (Warm)September 10 AM - 84° (Warm)September 11 AM - 84° (Hot)September 12 PM - 84° (Hot)September 1 PM - 84° (Hot)September 2 PM - 84° (Warm)September 3 PM - 82° (Warm)September 4 PM - 82° (Warm)September 5 PM - 82° (Warm)September 6 PM - 82° (Warm)September 7 PM - 81° (Warm) - NighttimeSeptember 8 PM - 79° (Warm) - NighttimeSeptember 9 PM - 79° (Warm) - NighttimeSeptember 10 PM - 79° (Warm) - NighttimeSeptember 11 PM - 79° (Warm) - NighttimeOctober 12 AM - 78° (Warm) - NighttimeOctober 1 AM - 77° (Warm) - NighttimeOctober 2 AM - 77° (Warm) - NighttimeOctober 3 AM - 77° (Warm) - NighttimeOctober 4 AM - 76° (Warm) - NighttimeOctober 5 AM - 77° (Warm) - NighttimeOctober 6 AM - 77° (Warm)October 7 AM - 79° (Warm)October 8 AM - 82° (Warm)October 9 AM - 82° (Warm)October 10 AM - 84° (Warm)October 11 AM - 85° (Hot)October 12 PM - 85° (Hot)October 1 PM - 85° (Hot)October 2 PM - 84° (Warm)October 3 PM - 82° (Warm)October 4 PM - 82° (Warm)October 5 PM - 81° (Warm)October 6 PM - 81° (Warm)October 7 PM - 80° (Warm) - NighttimeOctober 8 PM - 79° (Warm) - NighttimeOctober 9 PM - 79° (Warm) - NighttimeOctober 10 PM - 78° (Warm) - NighttimeOctober 11 PM - 78° (Warm) - NighttimeNovember 12 AM - 77° (Warm) - NighttimeNovember 1 AM - 76° (Warm) - NighttimeNovember 2 AM - 76° (Warm) - NighttimeNovember 3 AM - 76° (Warm) - NighttimeNovember 4 AM - 76° (Warm) - NighttimeNovember 5 AM - 76° (Warm) - NighttimeNovember 6 AM - 76° (Warm)November 7 AM - 78° (Warm)November 8 AM - 81° (Warm)November 9 AM - 82° (Warm)November 10 AM - 84° (Hot)November 11 AM - 85° (Hot)November 12 PM - 85° (Hot)November 1 PM - 85° (Hot)November 2 PM - 85° (Hot)November 3 PM - 82° (Warm)November 4 PM - 82° (Warm)November 5 PM - 81° (Warm)November 6 PM - 81° (Warm)November 7 PM - 80° (Warm) - NighttimeNovember 8 PM - 78° (Warm) - NighttimeNovember 9 PM - 78° (Warm) - NighttimeNovember 10 PM - 77° (Warm) - NighttimeNovember 11 PM - 77° (Warm) - NighttimeDecember 12 AM - 76° (Warm) - NighttimeDecember 1 AM - 76° (Warm) - NighttimeDecember 2 AM - 75° (Warm) - NighttimeDecember 3 AM - 75° (Comfortable) - NighttimeDecember 4 AM - 75° (Comfortable) - NighttimeDecember 5 AM - 75° (Comfortable) - NighttimeDecember 6 AM - 75° (Comfortable)December 7 AM - 76° (Warm)December 8 AM - 80° (Warm)December 9 AM - 81° (Warm)December 10 AM - 84° (Warm)December 11 AM - 85° (Hot)December 12 PM - 85° (Hot)December 1 PM - 86° (Hot)December 2 PM - 85° (Hot)December 3 PM - 83° (Warm)December 4 PM - 83° (Warm)December 5 PM - 82° (Warm)December 6 PM - 81° (Warm)December 7 PM - 80° (Warm) - NighttimeDecember 8 PM - 78° (Warm) - NighttimeDecember 9 PM - 78° (Warm) - NighttimeDecember 10 PM - 77° (Warm) - NighttimeDecember 11 PM - 77° (Warm) - Nighttime12 AM6 AM12 PM6 PM11 PMJanFebMarAprMayJunJulAugSepOctNovDec
ComfortableWarmHotNighttime
▶Full month-by-month data
MonthHigh °FLow °FRain daysRain (in)Sun h/dayHumiditySea °F
Jan86°F74°F123.4in5.1h74.57142857142857%82°F
Feb90°F75°F92.8in5.9h69.85714285714286%82°F
Mar90°F77°F173.9in5.6h75.71428571428571%84°F
Apr88°F78°F269.5in4.4h82.71428571428571%86°F
May86°F78°F2713in2.9h86.85714285714286%86°F
Jun84°F78°F257.8in2.8h86.85714285714286%84°F
Jul84°F78°F295.2in2.9h86.71428571428571%83°F
Aug84°F77°F285.2in3h86.71428571428571%82°F
Sep84°F77°F2310in3h86.85714285714286%83°F
Oct84°F76°F2715in2.8h87%83°F
Nov84°F75°F2615in2.9h86.14285714285714%83°F
Dec85°F74°F196.3in3.9h81.14285714285714%82°F

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Planning notes

Expect some rain.