Climate · Asia
Colombo climate, year-round
Sri Lanka · Tropical maritime (monsoon) · Updated May 2026
Best months
Jan · Feb · Mar · Jul · Aug
Best for: Tropical-maritime nomads who can navigate two monsoon windows and find the dry slots between.
Year at a glance
Cells coloured by typical daytime average temperature. ★ = best months for nomads.
Jan
27°C
75%
3mm
Feb
27°C
75%
3mm
Mar
28°C
75%
4mm
Apr
28°C
78%
8mm
May
28°C
82%
13mm
Jun
27°C
82%
7mm
Jul
27°C
80%
5mm
Aug
27°C
80%
5mm
Sep
27°C
82%
8mm
Oct
27°C
85%
12mm
Nov
27°C
82%
10mm
Dec
27°C
78%
5mm
Summer peak
28°C
March · 75% humidity
Winter low
27°C
January · 75% humidity
Climate type
Tropical maritime (monsoon)
Humid summers, Humid winters
Field notes
Hot humid year-round (27–28°C). Sri Lanka has two monsoon systems that affect different sides of the island — the southwest monsoon (May–Sep) hits Colombo hardest with heavy April–May rain; the inter-monsoon (Oct–Nov) is the wettest period. January–March is the Colombo dry window.
Visa for nomads
Medium nomad-friendlyPathway
Extendable tourist
Program
—
Typical max stay
9 months
ETA covers up to 270 days for many passports; formal DNV is in development.
Editorial summary, not legal advice. Verify with the relevant consulate before applying — visa programs change with little notice.
Cost of living in Colombo: ~$1,270/mo
Mid-tier monthly across rent, food, transport, utilities, and coworking.
Cities with a similar climate
Editorial estimates aggregated from public climatological summaries — typical monthly averages, not forecasts. Treat as order-of-magnitude. Microclimate, altitude, and recent extreme weather can swing these values significantly.