Beliatta weather in May

In May, Beliatta sees average daytime highs of 29°C and overnight lows near 26°C, with 162 mm of rain across 25.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Beliatta's 7th-clearest and 5th-windiest month. For the whole year in context, see Beliatta's year-round climate.

Daytime high
29°
4th warmest
Overnight low
26°
12th coldest
Rainfall
162 mm
25.3 wet days
Daylight
12 h 18 min
5:55 AM – 6:12 PM
Cloud cover
78%
7th clearest
Wind
18 km/h
5th windiest
Solar energy
5.41 kWh/m²
Travel score
3.3
out of 10

Beliatta is town in Southern Province, Sri Lanka.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Beliatta reaches about 29°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262925
272925
282925
292925
302925
312925

How May really feels in Beliatta

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Beliatta weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°7512.711.74.9
Feb30° / 24°6312.211.84.6
Mar30° / 25°9517.9124.1
Apr30° / 25°16924.812.13.2
May29° / 26°16225.312.33.3
Jun29° / 25°1162312.33.7
Jul29° / 25°1012212.34.0
Aug28° / 25°10722.412.24.0
Sep29° / 25°14422.4123.9
Oct29° / 24°21224.711.93.7
Nov29° / 24°27625.211.73.5
Dec29° / 24°18020.911.74.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42971
52872
62872
72872
82872
92773
102773
112575
122575
132575
142575
152575
162575
172575
182476
192476
202476
212377
222278
232278
242179
252179
262080
271981
281981
291783
301684
311684

Chance of precipitation in May

Any precipitation

Beliatta gets around 162 mm of rain over 25.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
184
283
383
482
582
681
781
880
980
1080
1180
1280
1380
1480
1580
1680
1780
1880
1981
2081
2182
2282
2382
2483
2583
2683
2783
2883
2983
3083
3183

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2793
3694
4694
5694
6595
7595
8595
9595
10595
11595
12595
13595
14595
15595
16595
17595
18496
19595
20595
21595
22595
23694
24694
25793
26793
27892
28892
29991
301090
311189

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
113light breeze
214light breeze
314light breeze
414light breeze
515light breeze
615light breeze
715light breeze
816light breeze
916light breeze
1016light breeze
1117light breeze
1217light breeze
1317light breeze
1418light breeze
1518light breeze
1618light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620breezy
2720breezy
2820breezy
2920breezy
3021breezy
3121breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 5:58 AM to 5:55 AM, and sunset from 6:11 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:586:11
212.25:586:11
312.25:576:11
412.25:576:11
512.25:576:11
612.25:576:11
712.25:576:11
812.25:566:11
912.25:566:11
1012.35:566:11
1112.35:566:11
1212.35:566:11
1312.35:556:11
1412.35:556:11
1512.35:556:11
1612.35:556:12
1712.35:556:12
1812.35:556:12
1912.35:556:12
2012.35:556:12
2112.35:556:12
2212.35:556:12
2312.35:556:13
2412.35:556:13
2512.35:556:13
2612.35:556:13
2712.35:556:13
2812.35:556:14
2912.35:556:14
3012.35:556:14
3112.35:556:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.41 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.47 kWh/m² in March across the year — May's 5.41 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Beliatta

In seasonPeak

In May, Beliatta sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Beliatta sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is May a good time to visit Beliatta?

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

3.3
Sightseeing
11th-best month of the year
4.4
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Beliatta.

What to pack for Beliatta in May

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

In May, Beliatta sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Beliatta in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in April at about 30°C and coldest in July near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug28Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Beliatta in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Beliatta peaks around April 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 17UV 14Jan 10UV 10
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Beliatta in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Beliatta is worst in November — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2121 µg/m³Sep 1416 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb19Moderate
Mar20Moderate
Apr20Moderate
May20Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct18Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Beliatta?

Beliatta sits at 6.0°N, 80.7°E, 39 m above sea level, in Sri Lanka. The nearest listed city is Devinuwara, 21 km away.

MataraMirissaAmbalantotaWeligamaHambantotaUnawatunaGalle

Topography around Beliatta

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

Within 3 km, the terrain around Beliatta has only modest variations in elevation — a maximum elevation change of 118 m around an average of 38 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 275 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,192 m.

The land around Beliatta is covered by trees (82%) within 3 km, trees (62%) and water (27%) within 16 km, and trees (57%) and water (35%) within 80 km.

3 km
118 m
16 km
275 m
80 km
2,192 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Devinuwara 21 km · Matara 25 km · Mirissa 32 km · Ambalantota 33 km · Weligama 34 km · Hambantota 43 km · Unawatuna 53 km · Galle 58 km

Sri Lanka travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$5,002
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
47%
of population, 2024
Homicide rate
3.3
per 100k, 2019
Road deaths
19.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 486
Religion
Buddhist 70%Hindu 13%Muslim 10%Roman Catholic 6%

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 Beliatta (6.0496°, 80.7325°, elevation 39 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).