Colombo weather in March

In March, Colombo sees average daytime highs of 25°C and overnight lows near 17°C, with 126 mm of rain across 17.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 16% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Colombo's 7th-clearest and 10th-windiest month. For the whole year in context, see Colombo's year-round climate.

Daytime high
25°
4th warmest
Overnight low
17°
10th coldest
Rainfall
126 mm
17.5 wet days
Daylight
12 h 12 min
7:21 AM – 7:32 PM
Cloud cover
68%
7th clearest
Wind
8 km/h
10th windiest
Solar energy
4.58 kWh/m²
Travel score
5.6
out of 10

Colombo is human settlement in Brazil.

Air quality
Moderate
PM10 35.5 µg/m³ · 2013

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical March day in Colombo reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62617
72617
82617
92617
102617
112617
122517
132517
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262416
272416
282416
292416
302416
312416

Colombo weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°2332313.44.6
Feb26° / 18°19220.112.94.7
Mar25° / 17°12617.512.25.6
Apr23° / 15°709.611.46.8
May20° / 12°868.810.86.4
Jun19° / 11°948.510.56.3
Jul19° / 10°857.410.66.5
Aug21° / 11°727.211.17.0
Sep22° / 12°12410.511.86.4
Oct23° / 14°1251412.65.9
Nov24° / 15°12314.913.25.9
Dec25° / 17°16518.713.55.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43466
53466
63466
73466
83466
93367
103466
113466
123466
133466
143367
153367
163367
173367
183466
193466
203466
213466
223565
233565
243565
253664
263763
273763
283763
293961
303961
313961

Chance of precipitation in March

Any precipitation

Colombo gets around 126 mm of rain over 17.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 67% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
267
366
466
565
665
765
864
964
1063
1163
1262
1362
1461
1559
1658
1757
1856
1954
2053
2152
2251
2349
2448
2547
2645
2744
2843
2942
3041
3140

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
10103258
20103258
30113356
40113356
50113455
60113554
70123553
80123553
90123652
100133651
110133651
120133749
130143748
140143847
150153946
161154044
171164143
181174141
191184239
201184338
212194336
222204435
232204433
242214532
252214631
263224629
273224728
283224727
294234726
304234826
314234825

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 7:13 AM to 7:28 AM, and sunset from 7:47 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:137:47
212.57:147:46
312.57:157:45
412.57:157:44
512.57:167:43
612.47:167:42
712.47:177:41
812.47:177:40
912.47:187:39
1012.37:187:38
1112.37:197:37
1212.37:197:36
1312.37:207:35
1412.27:207:34
1512.27:217:33
1612.27:217:32
1712.27:227:31
1812.17:227:30
1912.17:227:29
2012.17:237:28
2112.17:237:27
2212.07:247:26
2312.07:247:25
2412.07:257:24
2512.07:257:22
2611.97:267:21
2711.97:267:20
2811.97:267:19
2911.97:277:18
3011.87:277:17
3111.87:287:16

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.58 kWh/m².

For context, solar energy here swings from a low near 2.79 kWh/m² to a high of 5.56 kWh/m² in December across the year — March's 4.58 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in March

Is March a good time to visit Colombo?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
9th-best month of the year
5.1
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Colombo for sightseeing.

What to pack for Colombo in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Colombo sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

UV index in Colombo in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colombo peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5High
Aug7High
Sep7High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Colombo in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Colombo is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1118 µg/m³Dec 2110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug17Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Colombo?

Colombo sits at 25.3°S, 49.2°W, 1,007 m above sea level, in Brazil. The nearest listed city is Almirante Tamandaré, 9.0 km away.

Topography around Colombo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colombo.

Within 3 km, the terrain around Colombo has significant variations in elevation — a maximum elevation change of 264 m around an average of 1,012 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,807 m.

The land around Colombo is covered by trees (64%) within 3 km, trees (64%) within 16 km, and trees (77%) within 80 km.

3 km
264 m
16 km
485 m
80 km
1,807 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
March weather nearby: Almirante Tamandaré 9.0 km · Rio Branco do Sul 14 km · Itaperuçu 15 km · Curitiba 16 km · Quatro Barras 17 km · Campina Grande do Sul 17 km · Pinhais 17 km · Piraquara 23 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Colombo (-25.2917°, -49.2242°, elevation 1,007 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).