Effium weather in May

In May, Effium sees average daytime highs of 33°C and overnight lows near 24°C, with 153 mm of rain across 20.8 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Effium's 9th-clearest and 5th-windiest month. For the whole year in context, see Effium's year-round climate.

Daytime high: 33°; 7th warmest
Overnight low: 24°; 10th coldest
Rainfall: 153 mm; 20.8 wet days
Daylight: 12 h 18 min; 6:15 AM – 6:33 PM
Cloud cover: 84%; 9th clearest
Wind: 7 km/h; 5th windiest
Solar energy: 4.49 kWh/m²
Travel score: 2.6; out of 10

Effium is town in Ebonyi State, Nigeria.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← April Effium year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Effium reaches about 33°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

	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)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	32	32	32	32	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	33	25
2	33	25
3	33	25
4	33	25
5	33	25
6	33	25
7	33	25
8	33	25
9	33	25
10	33	25
11	33	25
12	33	25
13	33	25
14	33	25
15	33	25
16	33	25
17	33	25
18	32	24
19	32	24
20	32	24
21	32	24
22	32	24
23	32	24
24	32	24
25	32	24
26	32	24
27	32	24
28	32	24
29	32	24
30	32	24
31	32	24

How May really feels in Effium

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Effium weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	35° / 23°	3	1	11.7	2.8
Feb	37° / 24°	10	2.2	11.8	2.1
Mar	36° / 26°	31	5.9	12	2.1
Apr	34° / 25°	90	12.4	12.1	2.5
May	33° / 24°	153	20.8	12.3	2.6
Jun	31° / 24°	211	23.8	12.4	2.9
Jul	30° / 23°	211	26.6	12.3	3.1
Aug	30° / 23°	230	26.1	12.2	3.1
Sep	30° / 23°	241	26.8	12	2.8
Oct	31° / 23°	169	23.5	11.9	2.9
Nov	33° / 23°	28	5.4	11.7	3.7
Dec	35° / 22°	3	0.6	11.6	3.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 90%.

	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	13	13	12	12	12	12	12	12	12	12	12	11	11	10	10	10	9	9	9	8	8	8	7	7	7	7	7	7	7	7
Cloudier (%)	87	87	87	88	88	88	88	88	88	88	88	88	89	89	90	90	90	91	91	91	92	92	92	93	93	93	93	93	93	93	93

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	12	88
5	12	88
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	10	90
16	10	90
17	10	90
18	9	91
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

Chance of precipitation in May

Any precipitation

Effium gets around 153 mm of rain over 20.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 67% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

	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 (%)	55	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	71	72	72	73	73	74	74	75	75	75	76	76	76

	Rain chance (%)
1	55
2	55
3	56
4	57
5	58
6	59
7	60
8	61
9	62
10	63
11	64
12	65
13	66
14	67
15	68
16	69
17	70
18	71
19	71
20	72
21	72
22	73
23	73
24	74
25	74
26	75
27	75
28	75
29	76
30	76
31	76

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	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
Oppressive (%)	82	82	82	82	82	81	81	81	81	81	80	80	80	80	79	79	79	79	79	79	80	80	81	82	82	83	85	86	87	88	89
Miserable (%)	18	18	18	18	18	19	19	19	19	19	20	20	20	20	21	21	21	21	21	21	20	20	19	18	18	17	15	14	13	12	11

	Oppressive (%)	Miserable (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	80	20
12	80	20
13	80	20
14	80	20
15	79	21
16	79	21
17	79	21
18	79	21
19	79	21
20	79	21
21	80	20
22	80	20
23	81	19
24	82	18
25	82	18
26	83	17
27	85	15
28	86	14
29	87	13
30	88	12
31	89	11

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
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	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:18 AM to 6:15 AM, and sunset from 6:32 PM to 6:36 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)	12.2	12.2	12.2	12.2	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.4	12.4
Sunrise (AM)	6:18	6:18	6:18	6:17	6:17	6:17	6:17	6:16	6:16	6:16	6:16	6:16	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:15
Sunset (PM)	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:34	6:34	6:34	6:34	6:34	6:35	6:35	6:35	6:35	6:35	6:36	6:36

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	6:18	6:32
2	12.2	6:18	6:32
3	12.2	6:18	6:32
4	12.2	6:17	6:32
5	12.3	6:17	6:32
6	12.3	6:17	6:32
7	12.3	6:17	6:32
8	12.3	6:16	6:32
9	12.3	6:16	6:32
10	12.3	6:16	6:32
11	12.3	6:16	6:32
12	12.3	6:16	6:33
13	12.3	6:15	6:33
14	12.3	6:15	6:33
15	12.3	6:15	6:33
16	12.3	6:15	6:33
17	12.3	6:15	6:33
18	12.3	6:15	6:33
19	12.3	6:15	6:33
20	12.3	6:15	6:34
21	12.3	6:15	6:34
22	12.3	6:14	6:34
23	12.3	6:14	6:34
24	12.3	6:14	6:34
25	12.3	6:14	6:35
26	12.3	6:14	6:35
27	12.3	6:14	6:35
28	12.3	6:14	6:35
29	12.3	6:14	6:35
30	12.4	6:14	6:36
31	12.4	6:15	6:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.49 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 5.95 kWh/m² in February across the year — May's 4.49 kWh/m² falls in the middle.

	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)	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.3	4.2	4.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.7	Bright
2	4.7	Bright
3	4.7	Bright
4	4.7	Bright
5	4.7	Bright
6	4.6	Bright
7	4.6	Bright
8	4.6	Bright
9	4.6	Bright
10	4.6	Bright
11	4.6	Bright
12	4.6	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.4	Bright
22	4.4	Bright
23	4.4	Bright
24	4.4	Bright
25	4.3	Bright
26	4.3	Bright
27	4.3	Bright
28	4.3	Bright
29	4.3	Bright
30	4.2	Bright
31	4.2	Bright

Planning a trip in May

Hazard calendar for Effium

In seasonPeak

In May, Effium sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Effium's monsoon runs May–October, when most of the year's rain falls.

Effium sees seasonal dust haze (December–April), heaviest in February.

Monsoon

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Effium?

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

2.6

Sightseeing

9th-best month of the year

4.5

Beach & pool

7th-best month of the year

May is a weaker month for outdoor sightseeing in Effium.

What to pack for Effium in May

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

In May, Effium sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. About 21 days see rain.

light clothesrain gear

UV index in Effium in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Effium peaks around September 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 8 (very high).

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)	8	9	12	11	10	11	10	10	12	11	10	8
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	9	Very high
Mar	12	Extreme
Apr	11	Extreme
May	10	Extreme
Jun	11	Extreme
Jul	10	Extreme
Aug	10	Very high
Sep	12	Extreme
Oct	11	Extreme
Nov	10	Very high
Dec	8	Very high

Air quality in Effium in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Effium is worst in January — around 159 µg/m³ PM2.5 (very unhealthy), about 4.0× the cleanest month (July, 40 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	159	133	80	64	45	43	40	43	45	56	77	137
Level	Very unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	159	Very unhealthy
Feb	133	Unhealthy
Mar	80	Unhealthy
Apr	64	Unhealthy
May	45	Poor
Jun	43	Poor
Jul	40	Poor
Aug	43	Poor
Sep	45	Poor
Oct	56	Unhealthy
Nov	77	Unhealthy
Dec	137	Unhealthy

Location & terrain

Where is Effium?

Effium sits at 6.6°N, 8.1°E, 115 m above sea level, in Nigeria. The nearest listed city is Ezza-Ohu, 21 km away.

Topography around Effium

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Effium.

Within 3 km, the terrain around Effium has only modest variations in elevation — a maximum elevation change of 71 m around an average of 112 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, significant variations in elevation — a maximum elevation change of 569 m.

The land around Effium is covered by trees (58%) within 3 km, cropland (42%) and trees (39%) within 16 km, and trees (49%) and cropland (20%) within 80 km.

3 km

71 m

trees 58%

16 km

126 m

cropland 42%

80 km

569 m

trees 49%

treesshrubsgrasslandcroplandartificial surfaces

← April Effium year-round climate June →Best places to visit in May

May weather nearby: Ezza-Ohu 21 km · Isieke 28 km · Eha Amufu 33 km · Abakaliki 35 km · Enugu 65 km · Otukpa 68 km · Enugu-Ezike 77 km · Nsukka 77 km

Nigeria travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type D / G; 230 V · 50 Hz
Prices: ≈ 13% of US; price level, 2025
GDP per capita: $1,224; 2025
Happiness: 4.8 / 10; World Happiness, 2025
Safe drinking water: 30%; of population, 2024
Homicide rate: 15.7; per 100k, 2023
Road deaths: 20.7; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: High; EF EPI 569
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 Effium (6.6311°, 8.0581°, elevation 115 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. 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	33	25
2	33	25
3	33	25
4	33	25
5	33	25
6	33	25
7	33	25
8	33	25
9	33	25
10	33	25
11	33	25
12	33	25
13	33	25
14	33	25
15	33	25
16	33	25
17	33	25
18	32	24
19	32	24
20	32	24
21	32	24
22	32	24
23	32	24
24	32	24
25	32	24
26	32	24
27	32	24
28	32	24
29	32	24
30	32	24
31	32	24

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	12	88
5	12	88
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	10	90
16	10	90
17	10	90
18	9	91
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	55
2	55
3	56
4	57
5	58
6	59
7	60
8	61
9	62
10	63
11	64
12	65
13	66
14	67
15	68
16	69
17	70
18	71
19	71
20	72
21	72
22	73
23	73
24	74
25	74
26	75
27	75
28	75
29	76
30	76
31	76

	Oppressive (%)	Miserable (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	80	20
12	80	20
13	80	20
14	80	20
15	79	21
16	79	21
17	79	21
18	79	21
19	79	21
20	79	21
21	80	20
22	80	20
23	81	19
24	82	18
25	82	18
26	83	17
27	85	15
28	86	14
29	87	13
30	88	12
31	89	11

	Avg high (°C)	Avg low (°C)
1	33	25
2	33	25
3	33	25
4	33	25
5	33	25
6	33	25
7	33	25
8	33	25
9	33	25
10	33	25
11	33	25
12	33	25
13	33	25
14	33	25
15	33	25
16	33	25
17	33	25
18	32	24
19	32	24
20	32	24
21	32	24
22	32	24
23	32	24
24	32	24
25	32	24
26	32	24
27	32	24
28	32	24
29	32	24
30	32	24
31	32	24

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	12	88
5	12	88
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	10	90
16	10	90
17	10	90
18	9	91
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	55
2	55
3	56
4	57
5	58
6	59
7	60
8	61
9	62
10	63
11	64
12	65
13	66
14	67
15	68
16	69
17	70
18	71
19	71
20	72
21	72
22	73
23	73
24	74
25	74
26	75
27	75
28	75
29	76
30	76
31	76

	Oppressive (%)	Miserable (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	80	20
12	80	20
13	80	20
14	80	20
15	79	21
16	79	21
17	79	21
18	79	21
19	79	21
20	79	21
21	80	20
22	80	20
23	81	19
24	82	18
25	82	18
26	83	17
27	85	15
28	86	14
29	87	13
30	88	12
31	89	11

	Avg high (°C)	Avg low (°C)
1	33	25
2	33	25
3	33	25
4	33	25
5	33	25
6	33	25
7	33	25
8	33	25
9	33	25
10	33	25
11	33	25
12	33	25
13	33	25
14	33	25
15	33	25
16	33	25
17	33	25
18	32	24
19	32	24
20	32	24
21	32	24
22	32	24
23	32	24
24	32	24
25	32	24
26	32	24
27	32	24
28	32	24
29	32	24
30	32	24
31	32	24

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	12	88
5	12	88
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	10	90
16	10	90
17	10	90
18	9	91
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	55
2	55
3	56
4	57
5	58
6	59
7	60
8	61
9	62
10	63
11	64
12	65
13	66
14	67
15	68
16	69
17	70
18	71
19	71
20	72
21	72
22	73
23	73
24	74
25	74
26	75
27	75
28	75
29	76
30	76
31	76

	Oppressive (%)	Miserable (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	80	20
12	80	20
13	80	20
14	80	20
15	79	21
16	79	21
17	79	21
18	79	21
19	79	21
20	79	21
21	80	20
22	80	20
23	81	19
24	82	18
25	82	18
26	83	17
27	85	15
28	86	14
29	87	13
30	88	12
31	89	11