Goroka climate — normals and trends
Goroka (Papua New Guinea) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 2,750 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is December (18.4 °C on average) and the coldest is July (17.6 °C). Rainfall peaks in March.
Goroka averages 0 frost days, 0 hot days (≥ 30 °C) and 285 rainy days per year.
Goroka has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 28.9 °C (on 31 October 2022) and the coldest 7.7 °C (on 12 September 1961).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GorokaEastern Highlands Province
- coords
- -6.08°, 145.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.1°C
Average daily high
23.0°C
Average daily low
14.6°C
Annual rainfall
2,750mm
Sunshine / day
8.8h
Mean relative humidity
86%
Average peak wind
6.5km/h
Seasonal range
0.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
285 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.6 °C
Average feels-like low
15.4 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.78 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
28.9 °C
31 October 2022
Coldest day
7.7 °C
12 September 1961
Wettest day
90 mm
16 May 1995
Windiest day
13.4 km/h
26 August 2011
Strongest gust
57.2 km/h
24 October 1942
Hottest feels-like
33.1 °C
13 October 2018
Coldest feels-like
5.7 °C
12 September 1961
Sunniest day
12.3 h
10 January 1999
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 25.0 °C | +2.0 °C | 174 mm | -216 mm |
| Feb | 23.9 °C | +1.1 °C | 396 mm | -11 mm |
| Mar | 24.3 °C | +1.4 °C | 180 mm | -230 mm |
| Apr | 23.9 °C | +1.1 °C | 200 mm | -69 mm |
| May | 24.1 °C | +1.1 °C | 198 mm | +57 mm |
| Jun | 23.7 °C | +1.1 °C | 98 mm | +9 mm |
| Jul | 23.3 °C | +0.8 °C | 96 mm | +9 mm |
| Aug | 23.9 °C | +1.0 °C | 82 mm | -15 mm |
| Sep | 24.4 °C | +1.1 °C | 92 mm | -24 mm |
| Oct | 25.1 °C | +1.7 °C | 93 mm | -77 mm |
| Nov | 24.3 °C | +1.0 °C | 355 mm | +124 mm |
| Dec | 24.5 °C | +1.4 °C | 261 mm | -84 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Goroka?
Goroka has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 2,750 mm of precipitation per year.
What is the hottest day ever recorded in Goroka?
The hottest day measured in Goroka between 1940 and 2025 was 31 October 2022, reaching 28.9 °C.
What is the coldest day in Goroka?
The coldest day measured in Goroka between 1940 and 2025 was 12 September 1961, at 7.7 °C.
Does it snow in Goroka?
Almost never: Goroka sees virtually no snow, with about 0 frost days per year.
Has the climate of Goroka warmed?
Yes: Goroka warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goroka?
The wettest day measured in Goroka between 1940 and 2025 was 16 May 1995, with 90 mm of rain in 24 hours.
What was the windiest day in Goroka?
The windiest day measured in Goroka between 1940 and 2025 was 26 August 2011, with winds reaching 13.4 km/h.
What is the warmest month in Goroka?
The warmest month in Goroka is December (18.4 °C on average); the coldest is July (17.6 °C).
How much does it rain in Goroka?
Goroka receives on average 2,750 mm of precipitation per year, spread over about 285 rainy days.
Is it sunny in Goroka?
Goroka gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
Are there tropical nights in Goroka?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Goroka.
What was the most extreme apparent temperature in Goroka?
In Goroka, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 13 October 2018, and the lowest was 5.7 °C on 12 September 1961.
Compare Goroka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Goroka