Mullaittivu weather in May

In May, Mullaittivu sees average daytime highs of 33°C and overnight lows near 27°C, with 49 mm of rain across 6.5 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Mullaittivu's 5th-clearest and 4th-windiest month. For the whole year in context, see Mullaittivu's year-round climate.

Daytime high
33°
1st warmest
Overnight low
27°
11th coldest
Rainfall
49 mm
6.5 wet days
Daylight
12 h 24 min
5:50 AM – 6:16 PM
Cloud cover
64%
5th clearest
Wind
18 km/h
4th windiest
Solar energy
6.25 kWh/m²
Travel score
3.9
out of 10

Mullaittivu is city.

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 33°C through the month.

A typical May day in Mullaittivu reaches about 33°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73227
83227
93227
103227
113327
123327
133327
143327
153327
163327
173327
183327
193327
203327
213327
223327
233327
243327
253327
263327
273327
283327
293327
303327
313327

How May really feels in Mullaittivu

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
31 feel dangerously hot (≥ 39°C)
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.

Mullaittivu weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°9711.311.56.2
Feb28° / 25°52711.76.8
Mar29° / 25°285.111.96.1
Apr31° / 26°488.412.24.6
May33° / 27°496.512.43.9
Jun32° / 27°223.412.54.1
Jul32° / 27°326.712.54.0
Aug32° / 27°478.712.34.0
Sep32° / 26°589.812.14.0
Oct30° / 26°17718.611.83.9
Nov28° / 25°30423.211.64.0
Dec27° / 25°24919.411.55.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35050
44951
54852
64852
74753
84654
94555
104456
114456
124456
134357
144159
154159
164159
174060
183961
193862
203862
213763
223763
233664
243664
253565
263565
273466
283565
293565
303268
313268

Chance of precipitation in May

Any precipitation

Mullaittivu gets around 49 mm of rain over 6.5 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 20% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
828
927
1027
1126
1225
1323
1422
1521
1620
1718
1817
1916
2015
2115
2214
2314
2413
2513
2613
2713
2813
2913
3013
3113

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1892
2892
3892
4991
51090
61189
71288
81387
91486
101585
111783
121882
131981
142080
152179
162278
172377
182476
192575
202674
212773
222773
232872
242971
253070
263070
273169
283268
293367
303466
313664

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 22 km/h at its breeziest. Calmer and breezier days trade off through the month.

0510152025151015202531
Wind speed (km/h)Feels
113light breeze
214light breeze
314light breeze
414light breeze
514light breeze
615light breeze
715light breeze
815light breeze
916light breeze
1016light breeze
1116light breeze
1217light breeze
1317light breeze
1417light breeze
1518light breeze
1618light breeze
1718light breeze
1819light breeze
1919light breeze
2019light breeze
2120light breeze
2220light breeze
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3122breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:54 AM to 5:49 AM, and sunset from 6:14 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:546:14
212.35:546:14
312.35:546:14
412.35:536:14
512.45:536:14
612.45:536:14
712.45:526:14
812.45:526:14
912.45:526:15
1012.45:526:15
1112.45:516:15
1212.45:516:15
1312.45:516:15
1412.45:516:15
1512.45:506:15
1612.45:506:16
1712.45:506:16
1812.45:506:16
1912.45:506:16
2012.45:506:16
2112.55:506:17
2212.55:506:17
2312.55:496:17
2412.55:496:17
2512.55:496:18
2612.55:496:18
2712.55:496:18
2812.55:496:18
2912.55:496:19
3012.55:496:19
3112.55:496:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.25 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 6.58 kWh/m² in March across the year — May's 6.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Mullaittivu

In seasonPeak

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

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

Mullaittivu's monsoon runs October–December, when most of the year's rain falls.

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

Is May a good time to visit Mullaittivu?

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

3.9
Sightseeing
11th-best month of the year
6.7
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Mullaittivu. The water and warmth also suit a beach or pool day.

What to pack for Mullaittivu in May

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

In May, Mullaittivu sees daytime highs around 33°C and nights near 27°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Mullaittivu in May

The nearest coast averages about 30°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 14 km away) is warmest in May at about 30°C and coldest in January near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Mullaittivu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mullaittivu peaks around May 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMay 12UV 14Dec 23UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May14Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec9Very high

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1821 µg/m³Nov 1716 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb18Moderate
Mar17Moderate
Apr16Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug18Moderate
Sep16Moderate
Oct17Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Mullaittivu?

Mullaittivu sits at 9.3°N, 80.8°E, 8 m above sea level, in Sri Lanka. The nearest listed city is Vavuniya, 67 km away.

VavuniyaPoint PedroTrincomaleeValvedditturaiJaffnaMannarAnuradhapuraVakarai

Topography around Mullaittivu

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

Within 3 km, the terrain around Mullaittivu has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, only modest variations in elevation — a maximum elevation change of 241 m.

The land around Mullaittivu is covered by water (57%) within 3 km, water (57%) and trees (27%) within 16 km, and trees (43%) and water (42%) within 80 km.

3 km
11 m
16 km
79 m
80 km
241 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Vavuniya 67 km · Point Pedro 88 km · Trincomalee 89 km · Valvedditturai 94 km · Jaffna 99 km · Mannar 107 km · Anuradhapura 115 km · Vakarai 143 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 Mullaittivu (9.268°, 80.815°, elevation 8 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).