Sri Lanka (Colombo) Climate: Sunshine Hours, Temperature & Best Time to Visit

Sri Lanka (Colombo) climate month by month: sunshine hours, temperature, rain and day length from weather station data 1991–2020. Best time to visit: January, February, March, July, August. Sunniest month: March.

  • 2,755 hours of sunshine a year – 1.6 times as much as London. Warmest is March at 32 °C by day.
  • Best time to visit: January, February, March, July, August

Sunshine and temperature in Sri Lanka (Colombo) month by month

  • January: 8.2 h Sun/day (253 h), Daytime high 31 °C, Night 23 °C, Rain 80 mm, Holiday score 75
  • February: 8.9 h Sun/day (251 h), Daytime high 32 °C, Night 24 °C, Rain 77 mm, Holiday score 77
  • March: 8.8 h Sun/day (274 h), Daytime high 32 °C, Night 25 °C, Rain 103 mm, Holiday score 73
  • April: 8.0 h Sun/day (241 h), Daytime high 32 °C, Night 25 °C, Rain 249 mm, Holiday score 65
  • May: 6.6 h Sun/day (206 h), Daytime high 32 °C, Night 26 °C, Rain 314 mm, Holiday score 61
  • June: 7.2 h Sun/day (216 h), Daytime high 31 °C, Night 26 °C, Rain 197 mm, Holiday score 67
  • July: 7.4 h Sun/day (230 h), Daytime high 30 °C, Night 26 °C, Rain 123 mm, Holiday score 72
  • August: 7.6 h Sun/day (235 h), Daytime high 30 °C, Night 26 °C, Rain 116 mm, Holiday score 73
  • September: 7.2 h Sun/day (217 h), Daytime high 30 °C, Night 25 °C, Rain 264 mm, Holiday score 68
  • October: 7.1 h Sun/day (220 h), Daytime high 30 °C, Night 25 °C, Rain 359 mm, Holiday score 67
  • November: 6.5 h Sun/day (196 h), Daytime high 31 °C, Night 24 °C, Rain 346 mm, Holiday score 64
  • December: 7.0 h Sun/day (216 h), Daytime high 31 °C, Night 24 °C, Rain 171 mm, Holiday score 65
  • Temperature: station Colombo (4 km) · Sunshine: estimated from NASA satellite data (±15 %) · Rain: station Colombo (4 km). Averages 1991–2020, source: Deutscher Wetterdienst (CLIMAT station data, CC BY 4.0) and NASA POWER; single years differ.

Questions

  • When is the best time to visit Sri Lanka (Colombo)? By sunshine, warmth and rain the best months are January, February, March, July, August. Sunniest is March with 274 hours of sunshine, warmest March at 32 °C.
  • How many hours of sunshine does Sri Lanka (Colombo) get a year? About 2,755 hours – 1.6 times as many as London (1,675 hours).
  • When does it rain most in Sri Lanka (Colombo)? In October, with 359 mm on average. The driest month is February.
  • How warm is Sri Lanka (Colombo) in January and July? In January the average daytime high is 31 °C, in July 30 °C.