Goroka weather in May

In May, Goroka sees average daytime highs of 24°C and overnight lows near 15°C, with 151 mm of rain across 22 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 4% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Goroka's 6th-clearest and 6th-windiest month. For the whole year in context, see Goroka's year-round climate.

Daytime high
24°
7th warmest
Overnight low
15°
7th coldest
Rainfall
151 mm
22 wet days
Daylight
11 h 42 min
6:23 AM – 6:06 PM
Cloud cover
84%
6th clearest
Wind
4 km/h
6th windiest
Solar energy
4.46 kWh/m²
Travel score
4.8
out of 10

Goroka is Capital city of Eastern Highlands, Papua New Guinea.

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 24°C through the month.

A typical May day in Goroka reaches about 24°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315
312315

Goroka weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°42528.512.33.7
Feb24° / 16°41326.712.23.6
Mar24° / 16°41729.6123.6
Apr23° / 15°25726.311.93.9
May24° / 15°1512211.74.8
Jun23° / 15°8816.711.75.5
Jul23° / 14°9616.611.75.5
Aug23° / 14°11218.111.85.4
Sep24° / 14°12919.5125.1
Oct24° / 15°16923.312.14.6
Nov24° / 15°23525.912.34.1
Dec24° / 16°32828.312.33.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2991
3991
4991
5991
61090
71189
81189
91090
101189
111189
121189
131288
141387
151387
161387
171387
181387
191585
201585
211585
221585
231684
241684
251684
261684
271882
281882
291981
301981
311981

Chance of precipitation in May

Any precipitation

Goroka gets around 151 mm of rain over 22 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 71% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
278
378
477
577
677
776
876
976
1076
1175
1275
1374
1474
1573
1672
1771
1871
1970
2069
2168
2268
2367
2466
2565
2664
2763
2862
2961
3060
3160

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
10793
20793
30892
40892
50991
60991
701090
801189
901189
1001288
1101387
1201486
1301486
1401585
1501684
1601783
1701882
1801981
1902080
2002179
2102278
2202377
2302476
2402575
2502674
2602773
2702872
2802971
2903070
3003169
3113267

Wind in May

Winds average 4 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
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:22 AM to 6:26 AM, and sunset from 6:09 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:226:09
211.86:226:09
311.86:226:09
411.86:226:09
511.86:226:08
611.86:226:08
711.86:226:08
811.86:226:08
911.86:226:07
1011.76:226:07
1111.76:226:07
1211.76:236:07
1311.76:236:07
1411.76:236:07
1511.76:236:07
1611.76:236:06
1711.76:236:06
1811.76:236:06
1911.76:236:06
2011.76:246:06
2111.76:246:06
2211.76:246:06
2311.76:246:06
2411.76:246:06
2511.76:246:06
2611.76:256:06
2711.76:256:06
2811.76:256:06
2911.76:256:06
3011.76:256:06
3111.76:266:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 5.32 kWh/m² in October across the year — May's 4.46 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Goroka

In seasonPeak

None of Goroka's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Goroka's rainy season runs November–April, when most of the year's rain falls.

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

Is May a good time to visit Goroka?

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

4.8
Sightseeing
5th-best month of the year
3.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Goroka for sightseeing.

What to pack for Goroka in May

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

In May, Goroka sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 22 days see rain.

rain gearlight clothes

UV index in Goroka 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 Goroka peaks around March 11 at about 18 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 18Jun 20UV 12
UV index (midday)Level
Jan17Extreme
Feb17Extreme
Mar18Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov15Extreme
Dec15Extreme

Air quality in Goroka 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 Goroka is worst in July — around 41 µg/m³ PM2.5 (poor), about 6.5× the cleanest month (January, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1839 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr7Good
May9Good
Jun19Moderate
Jul41Poor
Aug27Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec7Good
Location & terrain

Where is Goroka?

Goroka sits at 6.1°S, 145.4°E, 1,574 m above sea level, in Papua New Guinea. The nearest listed city is Madang, 106 km away.

MadangMount HagenBuloloMendiLaeWewakDaruPort Moresby

Topography around Goroka

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

Within 3 km, the terrain around Goroka has significant variations in elevation — a maximum elevation change of 335 m around an average of 1,549 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,179 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,443 m.

The land around Goroka is covered by trees (71%) within 3 km, trees (76%) and grassland (23%) within 16 km, and trees (84%) within 80 km.

3 km
335 m
16 km
2,179 m
80 km
4,443 m
treesgrasslandartificial surfaces
May weather nearby: Madang 106 km · Mount Hagen 130 km · Bulolo 186 km · Mendi 191 km · Lae 191 km · Wewak 342 km · Daru 410 km · Port Moresby 424 km

Papua New Guinea travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type I
240 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$3,020
2025
Homicide rate
9.3
per 100k, 2010
Road deaths
12.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Protestant 64%Roman Catholic 26%other Christian 5%non-Christian 1%

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 Goroka (-6.085°, 145.3867°, elevation 1,574 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).