Weather in Sri Lanka in May 2018

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sri Lanka in May. Check more long-term weather averages for Sri Lanka in May before you book your next holiday to Sri Lanka in 2018. The May weather averages shown below are for Colombo.

Key weather averages for Sri Lanka in May

  • 31°C maximum daytime temperature in May in Sri Lanka (Colombo)31
    31°C max day temperature
  • 6 hours of sunshine per day (51% of daylight hours) in May in Sri Lanka6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Sri Lanka (Colombo)14
    14 days with some rainfall
  • 25°C minimum night-time temperature in May in Sri Lanka (Colombo)25
    25°C min night temperature
  • 12 hours of daylight per day in May in Sri Lanka (Colombo)12
    12 hours of daylight per day
  • Very high heat & humidity in May in Sri Lanka (Colombo)VH
    Very High heat & humidity
  • 382 mm monthly rainfall in May in Sri Lanka (Colombo)382
    382 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sri Lanka (Colombo)11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Sri Lanka (Colombo)29
    29°C sea temperature

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

  • Save up to 10% on all inclusive holidays to Sri Lanka
  • Book online with First Choice to receive discount
  • FREE kids places & low deposits also available

More about Sri Lanka

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Guide to Sri Lanka weather in May

The average maximum daytime temperature in Sri Lanka in May is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 6 hours of bright sunshine each day, which represents 51% of the 12 hours of daylight.

Expect 382mm (15.0 inches) of rainfall across the whole of May with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Sri Lanka in May is 29°C (84°F).

The weather in Sri Lanka in May is represented by Colombo.

Sri Lanka sunrise & sunset times for May 2018

Browse the sunrise & sunset times for Sri Lanka in May 2018. Select a month to view Sri Lanka sunrise & sunset times for the next twelve months. The Sri Lanka sunrise & sunset times shown below are for Colombo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st May 2018 05:57 18:19
Wednesday, 2nd May 2018 05:57 18:19
Thursday, 3rd May 2018 05:56 18:19
Friday, 4th May 2018 05:56 18:19
Saturday, 5th May 2018 05:56 18:19
Sunday, 6th May 2018 05:55 18:19
Monday, 7th May 2018 05:55 18:19
Tuesday, 8th May 2018 05:55 18:19
Wednesday, 9th May 2018 05:55 18:19
Thursday, 10th May 2018 05:55 18:19
Friday, 11th May 2018 05:54 18:20
Saturday, 12th May 2018 05:54 18:20
Sunday, 13th May 2018 05:54 18:20
Monday, 14th May 2018 05:54 18:20
Tuesday, 15th May 2018 05:54 18:20
Wednesday, 16th May 2018 05:54 18:20
Thursday, 17th May 2018 05:54 18:20
Friday, 18th May 2018 05:54 18:21
Saturday, 19th May 2018 05:53 18:21
Sunday, 20th May 2018 05:53 18:21
Monday, 21st May 2018 05:53 18:21
Tuesday, 22nd May 2018 05:53 18:21
Wednesday, 23rd May 2018 05:53 18:21
Thursday, 24th May 2018 05:53 18:22
Friday, 25th May 2018 05:53 18:22
Saturday, 26th May 2018 05:53 18:22
Sunday, 27th May 2018 05:53 18:22
Monday, 28th May 2018 05:53 18:22
Tuesday, 29th May 2018 05:53 18:23
Wednesday, 30th May 2018 05:53 18:23
Thursday, 31st May 2018 05:53 18:23
  • Save up to 10% on all inclusive holidays to Sri Lanka
  • Book online with First Choice to receive discount
  • FREE kids places & low deposits also available

Back to top

Sri Lanka weather by month

Check Sri Lanka weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

Popular Sri Lanka destinations

More Sri Lanka destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^