Sidikalang weather in May

In May, Sidikalang sees average daytime highs of 28°C and overnight lows near 19°C, with 266 mm of rain across 21.6 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Sidikalang's 6th-clearest and 4th-windiest month. For the whole year in context, see Sidikalang's year-round climate.

Daytime high
28°
1st warmest
Overnight low
19°
12th coldest
Rainfall
266 mm
21.6 wet days
Daylight
12 h 06 min
6:19 AM – 6:27 PM
Cloud cover
89%
6th clearest
Wind
3 km/h
4th windiest
Solar energy
4.8 kWh/m²
Travel score
4.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Sidikalang reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302818
312818

Sidikalang weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°38327.811.93.7
Feb27° / 18°33924.711.93.7
Mar27° / 18°37928.6123.5
Apr27° / 19°39427.612.13.5
May28° / 19°26621.612.14.4
Jun27° / 18°15517.112.25.0
Jul27° / 18°16417.412.15.1
Aug27° / 18°25321.412.14.5
Sep26° / 18°30822.7124.2
Oct26° / 18°43826.311.93.9
Nov26° / 18°54528.411.93.5
Dec26° / 18°44328.211.83.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 5% of May, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5595
6595
7694
8694
9694
10793
11892
12892
13892
141090
151090
161090
171090
181090
191090
201090
211090
221090
231090
241090
251090
261090
271090
28991
29991
30991
31991

Chance of precipitation in May

Any precipitation

Sidikalang gets around 266 mm of rain over 21.6 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 70% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
183
282
381
480
579
678
776
875
973
1072
1170
1269
1367
1466
1565
1664
1764
1864
1963
2063
2163
2264
2364
2465
2566
2666
2767
2867
2968
3068
3168

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
103898
203898
303898
403898
503889
603889
704879
804879
905869
1006859
1106859
1207849
1307858
1408848
1509838
1609847
1709847
18010837
19110836
20110836
21111835
22111835
23111844
24111844
25111844
26110863
27110863
28110863
29110863
30110863
31111853

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 06 min at the start of May to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:21 AM to 6:20 AM, and sunset from 6:27 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:216:27
212.16:216:27
312.16:216:27
412.16:216:27
512.16:206:27
612.16:206:27
712.16:206:27
812.16:206:27
912.16:206:27
1012.16:206:27
1112.16:206:27
1212.16:206:27
1312.16:196:27
1412.16:196:27
1512.16:196:27
1612.16:196:27
1712.16:196:27
1812.16:196:27
1912.16:196:27
2012.16:196:27
2112.16:196:27
2212.16:196:27
2312.16:196:27
2412.16:196:27
2512.16:196:28
2612.16:196:28
2712.16:196:28
2812.16:196:28
2912.16:206:28
3012.16:206:28
3112.16:206:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.8 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.07 kWh/m² in February across the year — May's 4.8 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Sidikalang

In seasonPeak

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

Sidikalang 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 Sidikalang?

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

4.4
Sightseeing
4th-best month of the year
4.6
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Sidikalang for sightseeing.

What to pack for Sidikalang in May

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

In May, Sidikalang sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Sidikalang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sidikalang peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 15Jun 20UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme

Air quality in Sidikalang 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 Sidikalang is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1425 µg/m³Dec 1218 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb24Moderate
Mar25Moderate
Apr23Moderate
May21Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct23Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Sidikalang?

Sidikalang sits at 2.7°N, 98.3°E, 1,066 m above sea level, in Indonesia. The nearest listed city is Paropo, 27 km away.

Topography around Sidikalang

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

Within 3 km, the terrain around Sidikalang has only modest variations in elevation — a maximum elevation change of 195 m around an average of 1,070 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,219 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Sidikalang is covered by trees (69%) within 3 km, trees (80%) within 16 km, and trees (80%) within 80 km.

3 km
195 m
16 km
1,219 m
80 km
2,429 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Paropo 27 km · Tongging 29 km · Kabanjahe 44 km · Pangururan 45 km · Subulussalam 49 km · Berastagi 54 km · Singkil 78 km · Barus 83 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Sidikalang (2.749°, 98.3127°, elevation 1,066 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). 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).