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Popondetta, Papua New Guinea climate

Aw Tropical savanna (dry winter)

Popondetta has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is December with an average daily high near 33°C, while the coldest is July averaging around 23°C at night. Precipitation totals about 1076 mm a year and is strongly seasonal — March alone averages 195 mm while September barely receives 11 mm.

☀️ All year

Hot

Daytime highs near 33°C most of the year.

About 53 days a year above 32 °C

🌙 Nights

Stays warm

Even the coolest nights stay near 23°C.

🌧️ Rain

Wet

About 1076 mm of rain a year.

Wettest in March

⛅ Sky & trend

Often grey

Overcast skies dominate much of the year.

+0.2 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Popondetta climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	32	32	31	31	31	30	30	30	31	32	33	33
Avg temp (°C)	28	28	27	27	27	27	26	26	27	28	28	28
Avg low (°C)	24	24	23	24	23	23	23	23	23	23	24	24
Precipitation (mm)	165	189	195	145	110	18	26	23	11	30	56	108

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	32	32	31	31	31	30
Avg temp (°C)	28	28	27	27	27	27
Avg low (°C)	24	24	23	24	23	23
Precipitation (mm)	165	189	195	145	110	18

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	30	30	31	32	33	33
Avg temp (°C)	26	26	27	28	28	28
Avg low (°C)	23	23	23	23	24	24
Precipitation (mm)	26	23	11	30	56	108

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	10	10	12	8	4	3	2	2	3	3	4	7
Days with high ≥ 32°C (days)	9	6	4	3	2	0.9	0.5	0.9	2	5	9	9

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	10	10	12	8	4	3
Days with high ≥ 32°C (days)	9	6	4	3	2	0.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	2	2	3	3	4	7
Days with high ≥ 32°C (days)	0.5	0.9	2	5	9	9

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	84	85	85	77	71	68	69	69	71	70	73	78
Clear days (≤ 30% cloud)	0.2	0.3	0.1	0.8	2	2	1	2	1	1	1.0	0.5
Partly cloudy days (30–70%)	6	5	5	9	11	12	13	14	12	14	11	9
Cloudy days (≥ 70%)	25	23	26	20	18	16	16	16	16	16	18	22
Relative humidity (%)	81	84	85	85	83	79	74	71	66	66	70	76
Wind speed (km/h)	8.5	8.6	8.0	8.2	9.3	10.5	11.8	12.1	12.0	11.0	9.4	8.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	84	85	85	77	71	68
Clear days (≤ 30% cloud)	0.2	0.3	0.1	0.8	2	2
Partly cloudy days (30–70%)	6	5	5	9	11	12
Cloudy days (≥ 70%)	25	23	26	20	18	16
Relative humidity (%)	81	84	85	85	83	79
Wind speed (km/h)	8.5	8.6	8.0	8.2	9.3	10.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	69	69	71	70	73	78
Clear days (≤ 30% cloud)	1	2	1	1	1.0	0.5
Partly cloudy days (30–70%)	13	14	12	14	11	9
Cloudy days (≥ 70%)	16	16	16	16	18	22
Relative humidity (%)	74	71	66	66	70	76
Wind speed (km/h)	11.8	12.1	12.0	11.0	9.4	8.2

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 13 years of daily observations at Port Moresby W.o., a weather station, about 131 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →