Hatton weather in May

In May, Hatton sees average daytime highs of 27°C and overnight lows near 21°C, with 291 mm of rain across 29.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Hatton's 7th-clearest and 5th-windiest month. For the whole year in context, see Hatton's year-round climate.

Daytime high: 27°; 4th warmest
Overnight low: 21°; 12th coldest
Rainfall: 291 mm; 29.4 wet days
Daylight: 12 h 18 min; 5:54 AM – 6:13 PM
Cloud cover: 83%; 7th clearest
Wind: 5 km/h; 5th windiest
Solar energy: 4.98 kWh/m²
Travel score: 3.5; out of 10

Hatton is town in Sri Lanka.

Founded: 1821

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

← April Hatton year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Hatton reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	26	26	26	26	26	26	26
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21
31	26	21

Hatton weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 19°	234	17.9	11.6	5.4
Feb	27° / 19°	246	17.8	11.8	5.1
Mar	28° / 19°	295	26.1	12	4.0
Apr	28° / 20°	456	28.8	12.1	3.5
May	27° / 21°	291	29.4	12.3	3.5
Jun	26° / 21°	257	27.6	12.4	3.7
Jul	25° / 21°	255	28.5	12.4	3.8
Aug	25° / 20°	229	28.4	12.2	3.8
Sep	26° / 20°	240	26	12	4.0
Oct	26° / 20°	497	27.2	11.8	3.9
Nov	26° / 20°	587	25.5	11.7	4.0
Dec	26° / 19°	425	22.3	11.6	4.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 88%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	17	17	16	15	15	15	14	14	13	13	13	13	12	12	12	12	12	12	12	11	11	11	10	10	10	9	9	9	8	8	8
Cloudier (%)	83	83	84	85	85	85	86	86	87	87	87	87	88	88	88	88	88	88	88	89	89	89	90	90	90	91	91	91	92	92	92

	Clearer (%)	Cloudier (%)
1	17	83
2	17	83
3	16	84
4	15	85
5	15	85
6	15	85
7	14	86
8	14	86
9	13	87
10	13	87
11	13	87
12	13	87
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	12	88
19	12	88
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	9	91
27	9	91
28	9	91
29	8	92
30	8	92
31	8	92

Chance of precipitation in May

Any precipitation

Hatton gets around 291 mm of rain over 29.4 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 95% and peaks near 96% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	94	94	94	94	94	95	95	95	95	95	95	95	95	95	96	96	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95

	Rain chance (%)
1	94
2	94
3	94
4	94
5	94
6	95
7	95
8	95
9	95
10	95
11	95
12	95
13	95
14	95
15	96
16	96
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	21	20	19	18	18	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	19	19	20	20	21	22	23	25	26	27
Oppressive (%)	79	80	81	82	82	83	83	83	83	83	83	83	83	83	83	83	83	83	82	82	82	81	81	80	80	79	78	77	75	74	73

	Muggy (%)	Oppressive (%)
1	21	79
2	20	80
3	19	81
4	18	82
5	18	82
6	17	83
7	17	83
8	17	83
9	17	83
10	17	83
11	17	83
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	17	83
18	17	83
19	18	82
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	23	77
29	25	75
30	26	74
31	27	73

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 24 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 5:58 AM to 5:54 AM, and sunset from 6:12 PM to 6:16 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.2	12.2	12.2	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.4	12.4	12.4	12.4	12.4	12.4
Sunrise (AM)	5:58	5:57	5:57	5:57	5:57	5:56	5:56	5:56	5:56	5:55	5:55	5:55	5:55	5:55	5:55	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54
Sunset (PM)	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:14	6:14	6:14	6:14	6:14	6:14	6:15	6:15	6:15	6:15	6:15	6:16	6:16	6:16

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	5:58	6:12
2	12.2	5:57	6:12
3	12.2	5:57	6:12
4	12.3	5:57	6:12
5	12.3	5:57	6:12
6	12.3	5:56	6:12
7	12.3	5:56	6:12
8	12.3	5:56	6:12
9	12.3	5:56	6:12
10	12.3	5:55	6:13
11	12.3	5:55	6:13
12	12.3	5:55	6:13
13	12.3	5:55	6:13
14	12.3	5:55	6:13
15	12.3	5:55	6:13
16	12.3	5:54	6:13
17	12.3	5:54	6:13
18	12.3	5:54	6:14
19	12.3	5:54	6:14
20	12.3	5:54	6:14
21	12.3	5:54	6:14
22	12.3	5:54	6:14
23	12.3	5:54	6:14
24	12.3	5:54	6:15
25	12.3	5:54	6:15
26	12.4	5:54	6:15
27	12.4	5:54	6:15
28	12.4	5:54	6:15
29	12.4	5:54	6:16
30	12.4	5:54	6:16
31	12.4	5:54	6:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.1 kWh/m² in March across the year — May's 4.98 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.3	5.3	5.2	5.2	5.2	5.2	5.1	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	4.9	4.9	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.8
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.3	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.2	Bright
7	5.1	Bright
8	5.1	Bright
9	5.1	Bright
10	5.1	Bright
11	5.1	Bright
12	5.0	Bright
13	5.0	Bright
14	5.0	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.0	Bright
19	5.0	Bright
20	4.9	Bright
21	4.9	Bright
22	4.9	Bright
23	4.9	Bright
24	4.9	Bright
25	4.9	Bright
26	4.8	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.8	Bright
31	4.8	Bright

Planning a trip in May

Is May a good time to visit Hatton?

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

3.5

Sightseeing

11th-best month of the year

3.6

Beach & pool

9th-best month of the year

May is a weaker month for outdoor sightseeing in Hatton.

What to pack for Hatton in May

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

In May, Hatton sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Hatton 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 Hatton peaks around April 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	14	13	14	13	11	12	13	13	13	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	14	Extreme
Mar	13	Extreme
Apr	14	Extreme
May	13	Extreme
Jun	11	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	11	Extreme
Dec	10	Extreme

Air quality in Hatton 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 Hatton is worst in January — around 84 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 29 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	84	78	73	62	44	31	29	30	35	52	74	81
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Moderate	Moderate	Moderate	Poor	Poor	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	84	Unhealthy
Feb	78	Unhealthy
Mar	73	Unhealthy
Apr	62	Unhealthy
May	44	Poor
Jun	31	Moderate
Jul	29	Moderate
Aug	30	Moderate
Sep	35	Poor
Oct	52	Poor
Nov	74	Unhealthy
Dec	81	Unhealthy

Location & terrain

Where is Hatton?

Hatton sits at 6.9°N, 80.6°E, 1,271 m above sea level, in Sri Lanka. The nearest listed city is Nuwara Eliya, 22 km away.

Topography around Hatton

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

Within 3 km, the terrain around Hatton has large variations in elevation — a maximum elevation change of 638 m around an average of 1,295 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,997 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,500 m.

The land around Hatton is covered by trees (65%) and grassland (30%) within 3 km, trees (80%) within 16 km, and trees (90%) within 80 km.

3 km

638 m

trees 65%

16 km

1,997 m

trees 80%

80 km

2,500 m

trees 90%

treesgrasslandcroplandartificial surfaceswater

← April Hatton year-round climate June →Best places to visit in May

May weather nearby: Nuwara Eliya 22 km · Gampola 30 km · Ratnapura 31 km · Kandy 45 km · Kegalle 49 km · Ella 50 km · Badulla 52 km · Hanwella Ihala 56 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

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 Hatton (6.8916°, 80.5955°, elevation 1,271 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. 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).

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21
31	26	21

	Clearer (%)	Cloudier (%)
1	17	83
2	17	83
3	16	84
4	15	85
5	15	85
6	15	85
7	14	86
8	14	86
9	13	87
10	13	87
11	13	87
12	13	87
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	12	88
19	12	88
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	9	91
27	9	91
28	9	91
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	94
2	94
3	94
4	94
5	94
6	95
7	95
8	95
9	95
10	95
11	95
12	95
13	95
14	95
15	96
16	96
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	21	79
2	20	80
3	19	81
4	18	82
5	18	82
6	17	83
7	17	83
8	17	83
9	17	83
10	17	83
11	17	83
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	17	83
18	17	83
19	18	82
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	23	77
29	25	75
30	26	74
31	27	73

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21
31	26	21

	Clearer (%)	Cloudier (%)
1	17	83
2	17	83
3	16	84
4	15	85
5	15	85
6	15	85
7	14	86
8	14	86
9	13	87
10	13	87
11	13	87
12	13	87
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	12	88
19	12	88
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	9	91
27	9	91
28	9	91
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	94
2	94
3	94
4	94
5	94
6	95
7	95
8	95
9	95
10	95
11	95
12	95
13	95
14	95
15	96
16	96
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	21	79
2	20	80
3	19	81
4	18	82
5	18	82
6	17	83
7	17	83
8	17	83
9	17	83
10	17	83
11	17	83
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	17	83
18	17	83
19	18	82
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	23	77
29	25	75
30	26	74
31	27	73

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21
31	26	21

	Clearer (%)	Cloudier (%)
1	17	83
2	17	83
3	16	84
4	15	85
5	15	85
6	15	85
7	14	86
8	14	86
9	13	87
10	13	87
11	13	87
12	13	87
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	12	88
19	12	88
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	9	91
27	9	91
28	9	91
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	94
2	94
3	94
4	94
5	94
6	95
7	95
8	95
9	95
10	95
11	95
12	95
13	95
14	95
15	96
16	96
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	21	79
2	20	80
3	19	81
4	18	82
5	18	82
6	17	83
7	17	83
8	17	83
9	17	83
10	17	83
11	17	83
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	17	83
18	17	83
19	18	82
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	23	77
29	25	75
30	26	74
31	27	73