Illushi, Nigeria experiences average highs of 33°C (91°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Illushi, Nigeria Weather & Climate 2026
Monthly climate averages for Illushi, Nigeria. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.1/10
Best: January, December
UV Index
8
High
Temperature 33°C / 25°C
Feels Like 37°C / 29°C
Rainy Days 13
Rainfall 98 mm
Sunshine 9 h
Humidity 73%
Wind Speed 12 km/h
Dew Point 23°C
Hottest Month
37°C
February
Avg Low 25°C
Rain 2 days
Coldest Month
24°C
August
Avg High 30°C
Rain 23 days
Driest Month
1 days
January
Avg High 36°C
Avg Low 24°C
Windiest Month
15 km/h
March (Gusts 33)
Worst Time to Visit
Consider avoiding March, April, May, June due to extreme heat, frequent rain, oppressive humidity.
Sun Position
Sunrise 06:19
Daylight 12.5h
Sunset 18:49
Live conditions —
Illushi on the map · live conditions
Illushi, Nigeria
- Continent
- Africa
- Country
- Nigeria
- City
- Illushi
- Population
- 7.3K
- Coordinates
- 6.67°, 6.63°
Seasonal Breakdown
Spring
Mar–May
Avg High 34°C
Avg Low 26°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 24°C
Rain 24 days/mo
Autumn
Sep–Nov
Avg High 31°C
Avg Low 24°C
Rain 15 days/mo
Winter
Dec–Feb
Avg High 36°C
Avg Low 24°C
Rain 1 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 36°C / 24°C . Feb: 37°C / 25°C . Mar: 36°C / 26°C . Apr: 34°C / 26°C . May: 33°C / 25°C . Jun: 30°C / 24°C . Jul: 29°C / 24°C . Aug: 30°C / 24°C . Sep: 30°C / 24°C . Oct: 31°C / 24°C . Nov: 33°C / 25°C . Dec: 35°C / 24°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 2 mm. Feb: 10 mm. Mar: 41 mm. Apr: 67 mm. May: 107 mm. Jun: 178 mm. Jul: 221 mm. Aug: 193 mm. Sep: 211 mm. Oct: 133 mm. Nov: 13 mm. Dec: 1 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 50%. Feb: 54%. Mar: 69%. Apr: 73%. May: 79%. Jun: 83%. Jul: 84%. Aug: 82%. Sep: 84%. Oct: 83%. Nov: 74%. Dec: 57%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 13 km/h . Mar: 15 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 11 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 10 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 10h. Mar: 10h. Apr: 9h. May: 9h. Jun: 8h. Jul: 7h. Aug: 8h. Sep: 7h. Oct: 8h. Nov: 9h. Dec: 11h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 9. Apr: UV 8. May: UV 8. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 7. Oct: UV 7. Nov: UV 8. Dec: UV 7.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 22 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 37°C | Feb · 37°C |
| Coldest month | Aug 2025 · 23°C | Aug · 24°C |
| Wettest month | Jul 2025 · 223 mm | Jul · 221 mm |
| Windiest month | Mar 2025 · 18 km/h | Mar · 15 km/h |
Month-by-Month Weather Table
January best
Fair 
February
Poor March
Poor April
Poor May
Poor June
Wet July
Wet August
Wet September
Wet October
Wet November
Poor December best
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 36°C / 24°C | 38°C / 26°C | 1days (2 mm) Excellent | 10.5h Excellent | 50% Moderate | 7.7 Very High | Fair | View Details |
| February | 37°C / 25°C | 40°C / 29°C | 2days (10 mm) Excellent | 10.4h Excellent | 54% Moderate | 8.2 Very High | Poor | View Details |
| March | 36°C / 26°C | 41°C / 31°C | 8days (41 mm) Wet | 9.6h Good | 69% Muggy | 8.6 Very High | Poor | View Details |
| April | 34°C / 26°C | 40°C / 31°C | 10days (67 mm) Wet | 9.4h Good | 73% Muggy | 8.2 Very High | Poor | View Details |
| May | 33°C / 25°C | 38°C / 30°C | 16days (107 mm) Wet | 8.6h Good | 79% Humid | 7.6 Very High | Poor | View Details |
| June | 30°C / 24°C | 36°C / 29°C | 23days (178 mm) Wet | 7.8h Good | 83% Humid | 7.1 Very High | Wet | View Details |
| July | 29°C / 24°C | 34°C / 28°C | 26days (221 mm) Wet | 7.2h Good | 84% Humid | 7 High | Wet | View Details |
| August | 30°C / 24°C | 34°C / 28°C | 23days (193 mm) Wet | 7.5h Good | 82% Humid | 6.8 High | Wet | View Details |
| September | 30°C / 24°C | 35°C / 28°C | 25days (211 mm) Wet | 7.1h Good | 84% Humid | 7.4 Very High | Wet | View Details |
| October | 31°C / 24°C | 37°C / 29°C | 18days (133 mm) Wet | 7.7h Good | 83% Humid | 7 High | Wet | View Details |
| November | 33°C / 25°C | 38°C / 29°C | 3days (13 mm) Excellent | 9.4h Good | 74% Muggy | 7.6 Very High | Poor | View Details |
| December best | 35°C / 24°C | 38°C / 28°C | 1days (1 mm) Excellent | 10.5h Excellent | 57% Moderate | 7.4 Very High | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Illushi are January, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Illushi, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Illushi is February, with average daytime highs of 37°C (99°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Illushi is August, with average overnight lows of 24°C (74°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Illushi is July, averaging 221mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Illushi runs through July, September, June, August, with the heaviest rainfall in July. Based on 10-year averages for Illushi.
Illushi receives approximately 106 sunshine hours per year. The sunniest month is January with around 11 hours. Based on climate data for Illushi.
The least favorable months to visit Illushi are March, April, May, June, primarily due to extreme heat, frequent rain, oppressive humidity. For the best conditions, consider January, December instead.
The annual average UV index in Illushi is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Illushi is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Illushi are 12 km/h (7 mph). The windiest month is March with peak winds reaching 15 km/h (10 mph) (gusts up to 33 km/h / 20 mph).
Illushi averages 2 clear-sky days per month with overall cloud cover around 72%. The clearest skies occur in January.
The annual average dew point in Illushi is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Illushi has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Illushi ranges from 29°C (84°F) to 37°C (99°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Illushi, with a climate score of 1.9/10. Consider visiting during January, December instead for better conditions.
For June in Illushi, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 30°C (87°F) and 23 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: