Port Harcourt climate — normals and trends
Port Harcourt (Nigeria) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 2,569 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 February (27.1 °C on average) and the coldest is July (24.7 °C). Rainfall peaks in June.
Port Harcourt averages 0 frost days, 155 hot days (≥ 30 °C) and 312 rainy days per year.
Port Harcourt 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 37.1 °C (on 1 February 2020) and the coldest 17.5 °C (on 9 January 1957).
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
Port HarcourtRivers State
- coords
- 4.78°, 7.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
29.6°C
Average daily low
23.5°C
Annual rainfall
2,569mm
Sunshine / day
8.4h
Mean relative humidity
87%
Average peak wind
11.4km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
155 d/yr
Rainy days (≥ 1 mm)
312 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.3 °C
Average feels-like low
28.1 °C
Average peak gust
26.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.82 · 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
37.1 °C
1 February 2020
Coldest day
17.5 °C
9 January 1957
Wettest day
210 mm
9 June 1955
Windiest day
24.2 km/h
8 August 1950
Strongest gust
50.4 km/h
8 August 1950
Hottest feels-like
43.7 °C
7 April 2024
Coldest feels-like
15.8 °C
8 January 1957
Sunniest day
11.9 h
18 July 1956
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 | 33.2 °C | +2.0 °C | 52 mm | -12 mm |
| Feb | 33.0 °C | +1.5 °C | 92 mm | -2 mm |
| Mar | 32.6 °C | +1.7 °C | 151 mm | -40 mm |
| Apr | 31.9 °C | +1.4 °C | 198 mm | -42 mm |
| May | 31.6 °C | +1.8 °C | 252 mm | -25 mm |
| Jun | 30.0 °C | +1.5 °C | 353 mm | +31 mm |
| Jul | 27.8 °C | +0.2 °C | 469 mm | +180 mm |
| Aug | 28.0 °C | +0.3 °C | 159 mm | -60 mm |
| Sep | 28.4 °C | +0.3 °C | 641 mm | +345 mm |
| Oct | 29.4 °C | +0.6 °C | 440 mm | +126 mm |
| Nov | 30.6 °C | +0.9 °C | 170 mm | -18 mm |
| Dec | 31.4 °C | +0.8 °C | 88 mm | +13 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 Port Harcourt?
Port Harcourt has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,569 mm of precipitation per year.
What is the hottest day ever recorded in Port Harcourt?
The hottest day measured in Port Harcourt between 1940 and 2025 was 1 February 2020, reaching 37.1 °C.
What is the coldest day in Port Harcourt?
The coldest day measured in Port Harcourt between 1940 and 2025 was 9 January 1957, at 17.5 °C.
Does it snow in Port Harcourt?
Almost never: Port Harcourt sees virtually no snow, with about 0 frost days per year.
Has the climate of Port Harcourt warmed?
Yes: Port Harcourt warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Port Harcourt?
The wettest day measured in Port Harcourt between 1940 and 2025 was 9 June 1955, with 210 mm of rain in 24 hours.
What was the windiest day in Port Harcourt?
The windiest day measured in Port Harcourt between 1940 and 2025 was 8 August 1950, with winds reaching 24.2 km/h.
What is the warmest month in Port Harcourt?
The warmest month in Port Harcourt is February (27.1 °C on average); the coldest is July (24.7 °C).
How much does it rain in Port Harcourt?
Port Harcourt receives on average 2,569 mm of precipitation per year, spread over about 312 rainy days.
Is it sunny in Port Harcourt?
Port Harcourt gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
Are there tropical nights in Port Harcourt?
Yes: Port Harcourt has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Port Harcourt?
In Port Harcourt, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 7 April 2024, and the lowest was 15.8 °C on 8 January 1957.
Compare Port Harcourt with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Port Harcourt