Umuahia climate — normals and trends
Umuahia (Nigeria) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,957 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 (27.6 °C on average) and the coldest is July (24.1 °C). Rainfall peaks in September.
Umuahia averages 0 frost days, 215 hot days (≥ 30 °C) and 250 rainy days per year.
Umuahia has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.6 °C (on 24 February 2017) and the coldest 14.3 °C (on 26 January 2020).
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
UmuahiaAbia State
- coords
- 5.52°, 7.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.8°C
Average daily low
22.4°C
Annual rainfall
1,957mm
Sunshine / day
8.5h
Mean relative humidity
84%
Average peak wind
10.3km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
215 d/yr
Rainy days (≥ 1 mm)
250 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
26.5 °C
Average peak gust
25.9 km/h
Tropical nights (≥ 20 °C)
358 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °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
41.6 °C
24 February 2017
Coldest day
14.3 °C
26 January 2020
Wettest day
130 mm
6 August 2011
Windiest day
19.7 km/h
8 January 1957
Strongest gust
50.8 km/h
8 August 1950
Hottest feels-like
45.6 °C
13 February 2024
Coldest feels-like
11.9 °C
2 January 1967
Sunniest day
12.0 h
23 July 1943
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 | 36.0 °C | +2.3 °C | 12 mm | -9 mm |
| Feb | 36.7 °C | +2.4 °C | 35 mm | -8 mm |
| Mar | 35.0 °C | +2.0 °C | 75 mm | -35 mm |
| Apr | 33.1 °C | +1.5 °C | 128 mm | -52 mm |
| May | 32.3 °C | +1.8 °C | 172 mm | -60 mm |
| Jun | 30.7 °C | +1.6 °C | 355 mm | +95 mm |
| Jul | 28.1 °C | 0.0 °C | 372 mm | +127 mm |
| Aug | 28.6 °C | +0.3 °C | 154 mm | -48 mm |
| Sep | 28.8 °C | +0.1 °C | 383 mm | +111 mm |
| Oct | 29.9 °C | +0.5 °C | 288 mm | +20 mm |
| Nov | 31.9 °C | +1.1 °C | 88 mm | -10 mm |
| Dec | 33.9 °C | +1.4 °C | 33 mm | +8 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 Umuahia?
Umuahia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,957 mm of precipitation per year.
What is the hottest day ever recorded in Umuahia?
The hottest day measured in Umuahia between 1940 and 2025 was 24 February 2017, reaching 41.6 °C.
What is the coldest day in Umuahia?
The coldest day measured in Umuahia between 1940 and 2025 was 26 January 2020, at 14.3 °C.
Does it snow in Umuahia?
Almost never: Umuahia sees virtually no snow, with about 0 frost days per year.
Has the climate of Umuahia warmed?
Yes: Umuahia warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Umuahia?
The wettest day measured in Umuahia between 1940 and 2025 was 6 August 2011, with 130 mm of rain in 24 hours.
What was the windiest day in Umuahia?
The windiest day measured in Umuahia between 1940 and 2025 was 8 January 1957, with winds reaching 19.7 km/h.
What is the warmest month in Umuahia?
The warmest month in Umuahia is February (27.6 °C on average); the coldest is July (24.1 °C).
How much does it rain in Umuahia?
Umuahia receives on average 1,957 mm of precipitation per year, spread over about 250 rainy days.
Is it sunny in Umuahia?
Umuahia gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
Are there tropical nights in Umuahia?
Yes: Umuahia has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Umuahia?
In Umuahia, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 13 February 2024, and the lowest was 11.9 °C on 2 January 1967.
Compare Umuahia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Umuahia