Sri Lanka Weather in May: Temperature, Precipitation, Wind

Temperature
28.8°C
83.8°F
High temperature
31.9°C
89.4°F
Low temperature
25.7°C
78.3°F
Feels like
34.1°C
93.4°F
Rainy days
29 days
Rainfall level
21.11mm
0.83 inch
Cloud coverage
60.5%
Wind speed
20.2km/h
12.5mph
Daylight time
12:26:01
UV index
7.9
1
rain
28.1°C
83.0°F
2
rain
26.8°C
80.0°F
3
rain
27.0°C
81.0°F
4
rain
28.0°C
82.0°F
5
rain
26.0°C
79.0°F
6
rain
28.2°C
83.0°F
7
rain
28.0°C
82.0°F
8
rain
29.3°C
85.0°F
9
rain
27.2°C
81.0°F
10
rain
28.0°C
82.0°F
11
rain
28.1°C
83.0°F
12
rain
29.2°C
85.0°F
13
rain
29.6°C
85.0°F
14
rain
29.3°C
85.0°F
15
rain
29.9°C
86.0°F
16
rain
29.8°C
86.0°F
17
rain
29.9°C
86.0°F
18
rain
29.6°C
85.0°F
19
rain
29.2°C
85.0°F
20
rain
28.5°C
83.0°F
21
rain
27.5°C
82.0°F
22
partly cloudy day
28.6°C
83.0°F
23
rain
29.1°C
84.0°F
24
partly cloudy day
29.2°C
85.0°F
25
partly cloudy day
29.1°C
84.0°F
26
rain
29.8°C
86.0°F
27
rain
29.8°C
86.0°F
28
rain
30.3°C
87.0°F
29
rain
30.0°C
86.0°F
30
rain
29.6°C
85.0°F
31
rain
29.6°C
85.0°F

In May, Sri Lanka experiences its inter-monsoon season, which means the country sees rain from both the southwest and northeast monsoons. The average temperature in Sri Lanka during May is 28.8°C (83.8°F), with highs of 31.9°C (89.4°F) and lows of 25.7°C (78.3°F). Sri Lanka has a high humidity of around 83.6% and an average of 21.11mm (0.83") of precipitation per day, with a high chance of rain at 90.3%.

May is a transitional month for Sri Lanka as it moves from the northeast monsoon to the southwest monsoon. The weather is characterized by intermittent rain and thunderstorms, which are more frequent in the afternoons and evenings. The central highlands and western coast tend to receive more rainfall during this time, while the eastern and northern regions experience drier conditions. Travelers visiting Sri Lanka in May should be prepared for wet weather and plan their activities accordingly. It is advisable to carry an umbrella or raincoat and schedule outdoor activities for the mornings when the weather is usually clearer. Despite the rain, May still offers lush green landscapes and fewer crowds, making it a unique time to explore the country.

What is the temperature in Sri Lanka in May?

Average air temperature in Sri Lanka is 28.8°C (83.8°F) in May. The outside temperature in Sri Lanka feels like 34.1°C (93.4°F) on a typical May day. The highest average temperature during sunny days is 31.9°C (89.4°F) and feels like 40.6°C (105.1°F). The lowest average temperature after dark is 25.7°C (78.3°F) which feels like 27°C (80.6°F).

Daily Temperature in Sri Lanka in May 0°C / 32.0°F 10°C / 50.0°F 20°C / 68.0°F 30°C / 86.0°F 40°C / 104.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Sri Lanka in May?

The hot temperature in May in Sri Lanka rises to 33.1°C (91.6°F) on sunny days with low cloud coverage and 83.6% humidity. During hottest days of May it feels like 44 °C (111.2°F). The average maximum temp in Sri Lanka is 31.9°C (111.2°F) during day time in May.

How cold is Sri Lanka in May?

The coldest temp in Sri Lanka in May drops to 23.6°C (74.5°F) during the cold nights. With 20.2km/h (12.5mph) winds and 83.6% humidity it feels like 23.6°C (74.5°F) on the coldest nights. The average minimum temperature is 25.7°C (78.3°F) during night time in May.

Does it rain in Sri Lanka in May?

Yes, it rains for 29 days in Sri Lanka in May averaging 21.11 mm of precipitation. Sri Lanka has a 90.3% chance for rain throughout the entire month of May.

How much does it rain in Sri Lanka throughout May?

Sri Lanka has 21.11 mm (0.83 inch) of rain per day on average in May. It rains for an average of 29 days out of the entire month.

Is Sri Lanka windy in May?

The average speed of wind in Sri Lanka during May is 20.2km/h (12.5mph) and average windgust is 22km/h (13.7mph). On some days in May wind can reach up to 29.5km/h (18.3mph).

Daily wind speed in Sri Lanka in May 0km/h (0mph) 8km/h (5mph) 16km/h (10mph) 24km/h (15mph) 32km/h (20mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

What is the direction of the wind in Sri Lanka in May?

Most days of May the wind is blowing from Southwest direction in Sri Lanka.

What are the humidity levels in Sri Lanka in May?

The average humidity levels in Sri Lanka in May are 83.6%. Daily humidity levels in Sri Lanka range from 79.1% to 91.8% during May.

Daily humidity levels in Sri Lanka in May 0% 23% 46% 69% 92% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Sri Lanka in May?

Sri Lanka has 12 hours 26 minutes of daylight in May on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Sri Lanka in May is at 5:54:11 and the sunset is at 18:20:13.

What is the cloud coverage in Sri Lanka in May?

Clouds cover 60.5% of the sky on average throughout May in Sri Lanka. The cloud coverage ranges from 32.3% to 85% depending on the day of the month.

What is the UV level in May in Sri Lanka?

The average UV index in Sri Lanka is 7.9 in May. UV levels change throughout the month and range from 1 to 10.

What is the solar radiation in Sri Lanka in May?

The average solar radiation is 225.2 W/m2 (Watts per square meter) in Sri Lanka during May. However solar radiation levels change throughout the month and range from 16.2 W/m2 to 293.8 W/m2.

What is the solar energy during May in Sri Lanka?

The average solar energy during May in Sri Lanka is 19.5 MJ/m2 (megajoules per square metre). Solar energy ranges from 1.4 MJ/m2, to 25.4 MJ/m2 during May.

Are there severe weather risks in Sri Lanka in May?

Yes, there is a 43.9% risk for severe weather in Sri Lanka in May.

What is the air pressure in Sri Lanka in May?

On average the air pressure in Sri Lanka in May is 1009.7 mb (millibars). Throughout the month the sea level pressure ranges from 1007.2 mb to 1012.2 mb.

What is the visibility in Sri Lanka in May?

The average daylight visibility in Sri Lanka in May is 12.7 km (7.9 miles). Depending on the precipitation the visibility ranges from 11 km (6.8 miles) to 14.3 km (8.9 miles) throughout May.

What is the dew point in Sri Lanka in May?

The average dew point in Sri Lanka during May is 25.6°C (78.1°F).

Where is the data for Sri Lanka climate in May coming from?

The climate data for Sri Lanka in May is collected from the following weather stations.

  • BANDARANAIKE INTERNATIONAL COLOMBO, CE
  • COLOMBO, CE
  • COLOMBO RATMALANA, CE
  • RATNAPURA, CE