Bulolo weather in January

In January, Bulolo sees average daytime highs of 24°C and overnight lows near 16°C, with 364 mm of rain across 26.7 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 2nd-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 1% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Bulolo's 10th-clearest and 7th-windiest month. For the whole year in context, see Bulolo's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
16°
12th coldest
Rainfall
364 mm
26.7 wet days
Daylight
12 h 24 min
6:11 AM – 6:34 PM
Cloud cover
93%
10th clearest
Wind
3 km/h
7th windiest
Solar energy
4.61 kWh/m²
Travel score
4.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical January day in Bulolo reaches about 24°C in the afternoon and slips back to 16°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, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222416
232416
242416
252416
262416
272416
282416
292416
302416
312416

Bulolo weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°36426.712.44.0
Feb24° / 16°3202412.24.0
Mar24° / 16°38227.5123.9
Apr23° / 16°3092611.83.9
May22° / 15°2442611.74.1
Jun22° / 15°2042411.64.2
Jul21° / 15°19924.811.64.1
Aug21° / 15°21324.711.84.1
Sep22° / 15°24024.6124.1
Oct22° / 15°25325.512.24.1
Nov23° / 16°27125.812.34.0
Dec23° / 16°35927.712.43.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 3% of January, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13595
14595
15595
16595
17595
18595
19496
20496
21496
22496
23397
24397
25397
26397
27397
28397
29397
30397
31397

Chance of precipitation in January

Any precipitation

Bulolo gets around 364 mm of rain over 26.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
384
484
584
684
784
884
985
1085
1186
1286
1386
1487
1587
1688
1788
1888
1988
2088
2189
2288
2388
2488
2587
2687
2786
2886
2985
3085
3185

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
111827
211836
312826
412826
512826
612826
712826
812826
911836
1011845
1110855
1210855
139865
148875
158875
167885
177885
186895
196895
206895
216895
226895
237885
247885
257885
268866
278866
289856
299865
3010855
3110855

Wind in January

Winds average 3 km/h in January.

Across January, daily wind ranges from about 3 km/h on the calmest days to 3 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
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 6:04 AM to 6:17 AM, and sunset from 6:29 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:046:29
212.46:056:29
312.46:056:30
412.46:066:30
512.46:066:31
612.46:076:31
712.46:076:31
812.46:086:32
912.46:086:32
1012.46:096:32
1112.46:096:33
1212.46:106:33
1312.46:106:33
1412.46:116:33
1512.46:116:34
1612.46:116:34
1712.46:126:34
1812.46:126:35
1912.46:136:35
2012.46:136:35
2112.46:146:35
2212.46:146:35
2312.46:146:35
2412.36:156:36
2512.36:156:36
2612.36:166:36
2712.36:166:36
2812.36:166:36
2912.36:176:36
3012.36:176:36
3112.36:176:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.61 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 4.99 kWh/m² in October across the year — January's 4.61 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
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 January

Hazard calendar for Bulolo

In seasonPeak

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

Bulolo sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is January a good time to visit Bulolo?

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

4.0
Sightseeing
7th-best month of the year
3.4
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Bulolo for sightseeing.

What to pack for Bulolo in January

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

In January, Bulolo sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

Sea temperature near Bulolo in January

The nearest coast averages about 30°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 54 km away) is warmest in January at about 30°C and coldest in August near 28°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
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Bulolo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bulolo peaks around March 12 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 17Jun 18UV 11
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar17Extreme
Apr15Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Bulolo?

Bulolo sits at 7.2°S, 146.6°E, 677 m above sea level, in Papua New Guinea. The nearest listed city is Lae, 66 km away.

GorokaMadangPopondettaPort MoresbyMount HagenMendiKimbe

Topography around Bulolo

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

Within 3 km, the terrain around Bulolo has significant variations in elevation — a maximum elevation change of 419 m around an average of 710 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,809 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,433 m.

The land around Bulolo is covered by trees (56%) and grassland (39%) within 3 km, trees (76%) and grassland (24%) within 16 km, and trees (79%) within 80 km.

3 km
419 m
16 km
1,809 m
80 km
3,433 m
treesgrasslandartificial surfacesbare terrainwater
January weather nearby: Lae 66 km · Goroka 186 km · Madang 240 km · Popondetta 247 km · Port Moresby 259 km · Mount Hagen 305 km · Mendi 350 km · Kimbe 428 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 Bulolo (-7.2036°, 146.6401°, elevation 677 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).