Bulolo weather in July

In July, Bulolo sees average daytime highs of 21°C and overnight lows near 15°C, with 199 mm of rain across 24.8 wet days and about 11.6 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 3% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of July to 11 h 42 min by month's end. Set against the rest of the year, July is Bulolo's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Bulolo's year-round climate.

Daytime high: 21°; 12th warmest
Overnight low: 15°; 3rd coldest
Rainfall: 199 mm; 24.8 wet days
Daylight: 11 h 36 min; 6:30 AM – 6:08 PM
Cloud cover: 84%; 3rd clearest
Wind: 3 km/h; 2nd windiest
Solar energy: 3.75 kWh/m²
Travel score: 4.1; out of 10

← June Bulolo year-round climate August →Best places to visit in July

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Bulolo reaches about 21°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, July runs on par with June and on par with August.

	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)	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 low (°C)	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15

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

Bulolo weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	24° / 16°	364	26.7	12.4	4.0
Feb	24° / 16°	320	24	12.2	4.0
Mar	24° / 16°	382	27.5	12	3.9
Apr	23° / 16°	309	26	11.8	3.9
May	22° / 15°	244	26	11.7	4.1
Jun	22° / 15°	204	24	11.6	4.2
Jul	21° / 15°	199	24.8	11.6	4.1
Aug	21° / 15°	213	24.7	11.8	4.1
Sep	22° / 15°	240	24.6	12	4.1
Oct	22° / 15°	253	25.5	12.2	4.1
Nov	23° / 16°	271	25.8	12.3	4.0
Dec	23° / 16°	359	27.7	12.4	3.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 9% of July, 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 (%)	13	14	14	14	14	14	14	13	13	13	13	13	12	12	12	11	11	11	11	11	11	11	11	11	11	11	12	12	13	13	13
Cloudier (%)	87	86	86	86	86	86	86	87	87	87	87	87	88	88	88	89	89	89	89	89	89	89	89	89	89	89	88	88	87	87	87

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

Chance of precipitation in July

Any precipitation

Bulolo gets around 199 mm of rain over 24.8 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 81% 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 (%)	81	81	81	81	81	81	81	81	81	81	81	81	81	80	80	80	79	79	79	79	78	78	78	78	78	79	79	79	79	79	79

	Rain chance (%)
1	81
2	81
3	81
4	81
5	81
6	81
7	81
8	81
9	81
10	81
11	81
12	81
13	81
14	80
15	80
16	80
17	79
18	79
19	79
20	79
21	78
22	78
23	78
24	78
25	78
26	79
27	79
28	79
29	79
30	79
31	79

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2
Comfortable (%)	46	47	48	49	49	50	50	51	51	52	52	52	53	53	53	54	54	54	54	54	54	54	54	54	53	53	51	51	51	50	50
Humid (%)	53	52	51	50	50	49	49	48	48	47	47	47	46	46	46	45	45	45	45	45	45	45	45	45	46	46	47	47	47	48	48

	Dry (%)	Comfortable (%)	Humid (%)
1	1	46	53
2	1	47	52
3	1	48	51
4	1	49	50
5	1	49	50
6	1	50	49
7	1	50	49
8	1	51	48
9	1	51	48
10	1	52	47
11	1	52	47
12	1	52	47
13	1	53	46
14	1	53	46
15	1	53	46
16	1	54	45
17	1	54	45
18	1	54	45
19	1	54	45
20	1	54	45
21	1	54	45
22	1	54	45
23	1	54	45
24	1	54	45
25	1	53	46
26	1	53	46
27	2	51	47
28	2	51	47
29	2	51	47
30	2	50	48
31	2	50	48

Wind in July

Winds average 3 km/h in July.

Across July, 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.

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

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 36 min at the start of July to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 6:29 AM to 6:29 AM, and sunset from 6:04 PM to 6:10 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)	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.7	11.7	11.7
Sunrise (AM)	6:29	6:29	6:29	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:31	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:30	6:29	6:29
Sunset (PM)	6:04	6:05	6:05	6:05	6:05	6:05	6:06	6:06	6:06	6:06	6:07	6:07	6:07	6:07	6:07	6:08	6:08	6:08	6:08	6:08	6:09	6:09	6:09	6:09	6:09	6:09	6:09	6:10	6:10	6:10	6:10

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	6:29	6:04
2	11.6	6:29	6:05
3	11.6	6:29	6:05
4	11.6	6:30	6:05
5	11.6	6:30	6:05
6	11.6	6:30	6:05
7	11.6	6:30	6:06
8	11.6	6:30	6:06
9	11.6	6:30	6:06
10	11.6	6:30	6:06
11	11.6	6:30	6:07
12	11.6	6:30	6:07
13	11.6	6:30	6:07
14	11.6	6:30	6:07
15	11.6	6:30	6:07
16	11.6	6:30	6:08
17	11.6	6:31	6:08
18	11.6	6:30	6:08
19	11.6	6:30	6:08
20	11.6	6:30	6:08
21	11.6	6:30	6:09
22	11.6	6:30	6:09
23	11.6	6:30	6:09
24	11.6	6:30	6:09
25	11.7	6:30	6:09
26	11.7	6:30	6:09
27	11.7	6:30	6:09
28	11.7	6:30	6:10
29	11.7	6:30	6:10
30	11.7	6:29	6:10
31	11.7	6:29	6:10

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.75 kWh/m² — the year's lowest.

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 — July's 3.75 kWh/m² sits near the bottom.

	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)	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.7	Moderate
2	3.7	Moderate
3	3.7	Moderate
4	3.7	Moderate
5	3.7	Moderate
6	3.7	Moderate
7	3.7	Moderate
8	3.7	Moderate
9	3.7	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.8	Moderate
13	3.8	Moderate
14	3.8	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.8	Moderate
18	3.8	Moderate
19	3.8	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.8	Moderate
29	3.8	Moderate
30	3.8	Moderate
31	3.8	Moderate

Planning a trip in July

Hazard calendar for Bulolo

In seasonPeak

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

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 July a good time to visit Bulolo?

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

4.1

Sightseeing

2nd-best month of the year

2.5

Beach & pool

12th-best month of the year

July is a reasonable time to visit Bulolo for sightseeing.

What to pack for Bulolo in July

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

In July, Bulolo sees daytime highs around 21°C and nights near 15°C. Pack rain gear. About 25 days see rain.

rain gear

Sea temperature near Bulolo in July

The nearest coast averages about 28°C in July — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	30	30	30	30	29	29	28	28	28	29	30	30
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Tropical	Tropical	Tropical	Tropical

	Sea temperature (°C)	Comfort
Jan	30	Tropical
Feb	30	Tropical
Mar	30	Tropical
Apr	30	Tropical
May	29	Tropical
Jun	29	Tropical
Jul	28	Tropical
Aug	28	Warm
Sep	28	Tropical
Oct	29	Tropical
Nov	30	Tropical
Dec	30	Tropical

UV index in Bulolo in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	16	17	17	15	13	11	12	13	15	15	14	14
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	16	Extreme
Feb	17	Extreme
Mar	17	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	11	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	15	Extreme
Oct	15	Extreme
Nov	14	Extreme
Dec	14	Extreme

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.

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

trees 56%

16 km

1,809 m

trees 76%

80 km

3,433 m

trees 79%

treesgrasslandartificial surfacesbare terrainwater

← June Bulolo year-round climate August →Best places to visit in July

July 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

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).

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

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

	Rain chance (%)
1	81
2	81
3	81
4	81
5	81
6	81
7	81
8	81
9	81
10	81
11	81
12	81
13	81
14	80
15	80
16	80
17	79
18	79
19	79
20	79
21	78
22	78
23	78
24	78
25	78
26	79
27	79
28	79
29	79
30	79
31	79

	Dry (%)	Comfortable (%)	Humid (%)
1	1	46	53
2	1	47	52
3	1	48	51
4	1	49	50
5	1	49	50
6	1	50	49
7	1	50	49
8	1	51	48
9	1	51	48
10	1	52	47
11	1	52	47
12	1	52	47
13	1	53	46
14	1	53	46
15	1	53	46
16	1	54	45
17	1	54	45
18	1	54	45
19	1	54	45
20	1	54	45
21	1	54	45
22	1	54	45
23	1	54	45
24	1	54	45
25	1	53	46
26	1	53	46
27	2	51	47
28	2	51	47
29	2	51	47
30	2	50	48
31	2	50	48

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

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

	Rain chance (%)
1	81
2	81
3	81
4	81
5	81
6	81
7	81
8	81
9	81
10	81
11	81
12	81
13	81
14	80
15	80
16	80
17	79
18	79
19	79
20	79
21	78
22	78
23	78
24	78
25	78
26	79
27	79
28	79
29	79
30	79
31	79

	Dry (%)	Comfortable (%)	Humid (%)
1	1	46	53
2	1	47	52
3	1	48	51
4	1	49	50
5	1	49	50
6	1	50	49
7	1	50	49
8	1	51	48
9	1	51	48
10	1	52	47
11	1	52	47
12	1	52	47
13	1	53	46
14	1	53	46
15	1	53	46
16	1	54	45
17	1	54	45
18	1	54	45
19	1	54	45
20	1	54	45
21	1	54	45
22	1	54	45
23	1	54	45
24	1	54	45
25	1	53	46
26	1	53	46
27	2	51	47
28	2	51	47
29	2	51	47
30	2	50	48
31	2	50	48

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

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

	Rain chance (%)
1	81
2	81
3	81
4	81
5	81
6	81
7	81
8	81
9	81
10	81
11	81
12	81
13	81
14	80
15	80
16	80
17	79
18	79
19	79
20	79
21	78
22	78
23	78
24	78
25	78
26	79
27	79
28	79
29	79
30	79
31	79

	Dry (%)	Comfortable (%)	Humid (%)
1	1	46	53
2	1	47	52
3	1	48	51
4	1	49	50
5	1	49	50
6	1	50	49
7	1	50	49
8	1	51	48
9	1	51	48
10	1	52	47
11	1	52	47
12	1	52	47
13	1	53	46
14	1	53	46
15	1	53	46
16	1	54	45
17	1	54	45
18	1	54	45
19	1	54	45
20	1	54	45
21	1	54	45
22	1	54	45
23	1	54	45
24	1	54	45
25	1	53	46
26	1	53	46
27	2	51	47
28	2	51	47
29	2	51	47
30	2	50	48
31	2	50	48