Kollo, Niger experiences average highs of 36°C (97°F) and lows of 23°C (73°F) throughout the year. The climate is relatively dry, with only 3 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Kollo, Niger Weather & Climate 2026
Monthly climate averages for Kollo, Niger. 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
5.9/10
Best: January, February, December
UV Index
7
High
Temperature 36°C / 23°C
Feels Like 37°C / 23°C
Rainy Days 3
Rainfall 25 mm
Sunshine 11 h
Humidity 40%
Wind Speed 17 km/h
Dew Point 12°C
Hottest Month
42°C
April
Avg Low26°C
Rain0days
Coldest Month
17°C
January
Avg High32°C
Rain0days
Driest Month
0days
January
Avg High32°C
Avg Low17°C
Windiest Month
20 km/h
May (Gusts 37)
Worst Time to Visit
Consider avoiding June, July, August, September due to extreme heat, oppressive humidity.
Sun Position
Sunrise 06:25
Daylight 12.9h
Sunset 19:20
Live conditions—
Kollo on the map · live conditions
Kollo, Niger
- Continent
- Africa
- Country
- Niger
- City
- Kollo
- Population
- 20K
- Coordinates
- 13.30°, 2.34°
Seasonal Breakdown
Spring
Mar–May
Avg High 41°C
Avg Low 26°C
Rain 1 days/mo
Summer
Jun–Aug
Avg High 35°C
Avg Low 26°C
Rain 10 days/mo
Autumn
Sep–Nov
Avg High 36°C
Avg Low 23°C
Rain 3 days/mo
Winter
Dec–Feb
Avg High 34°C
Avg Low 18°C
Rain 0 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 32°C / 17°C . Feb: 35°C / 19°C . Mar: 40°C / 23°C . Apr: 42°C / 26°C . May: 41°C / 29°C . Jun: 38°C / 28°C . Jul: 34°C / 25°C . Aug: 32°C / 24°C . Sep: 34°C / 25°C . Oct: 37°C / 24°C . Nov: 36°C / 20°C . Dec: 33°C / 18°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 0 mm. Feb: 0 mm. Mar: 1 mm. Apr: 1 mm. May: 7 mm. Jun: 21 mm. Jul: 64 mm. Aug: 146 mm. Sep: 51 mm. Oct: 9 mm. Nov: 0 mm. Dec: 0 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 19%. Feb: 15%. Mar: 16%. Apr: 24%. May: 39%. Jun: 52%. Jul: 66%. Aug: 77%. Sep: 70%. Oct: 48%. Nov: 27%. Dec: 22%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 20 km/h . Jun: 19 km/h . Jul: 18 km/h . Aug: 17 km/h . Sep: 15 km/h . Oct: 14 km/h . Nov: 15 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 11h. Apr: 11h. May: 12h. Jun: 12h. Jul: 11h. Aug: 10h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 6. Feb: UV 7. Mar: UV 8. Apr: UV 8. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 8. Oct: UV 7. Nov: UV 6. Dec: UV 6.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Apr 2025 · 42°C | Apr · 42°C |
| Coldest month | Jan 2025 · 18°C | Jan · 17°C |
| Wettest month | Aug 2025 · 147 mm | Aug · 146 mm |
| Windiest month | Jun 2025 · 20 km/h | May · 20 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Fair May
Poor June
Poor July
Poor August
Poor September
Poor October
Fair November
Good December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 32°C / 17°C | 29°C / 12°C | 0days (0 mm) Excellent | 10.1h Excellent | 19% Comfortable | 6.3 High | Excellent | View Details |
| February best | 35°C / 19°C | 32°C / 14°C | 0days (0 mm) Excellent | 10.4h Excellent | 15% Comfortable | 7.1 Very High | Excellent | View Details |
| March | 40°C / 23°C | 38°C / 19°C | 0days (1 mm) Excellent | 11h Excellent | 16% Comfortable | 7.9 Very High | Good | View Details |
| April | 42°C / 26°C | 42°C / 25°C | 0days (1 mm) Excellent | 11.4h Excellent | 24% Comfortable | 8.1 Very High | Fair | View Details |
| May | 41°C / 29°C | 43°C / 31°C | 2days (7 mm) Excellent | 11.5h Excellent | 39% Comfortable | 7.9 Very High | Poor | View Details |
| June | 38°C / 28°C | 42°C / 30°C | 5days (21 mm) Good | 11.6h Excellent | 52% Moderate | 7.7 Very High | Poor | View Details |
| July | 34°C / 25°C | 39°C / 29°C | 10days (64 mm) Wet | 11h Excellent | 66% Muggy | 7.6 Very High | Poor | View Details |
| August | 32°C / 24°C | 37°C / 28°C | 15days (146 mm) Wet | 9.9h Good | 77% Humid | 7.1 Very High | Poor | View Details |
| September | 34°C / 25°C | 39°C / 29°C | 7days (51 mm) Good | 10.5h Excellent | 70% Muggy | 7.5 Very High | Poor | View Details |
| October | 37°C / 24°C | 40°C / 26°C | 2days (9 mm) Excellent | 10.8h Excellent | 48% Moderate | 7.1 Very High | Fair | View Details |
| November | 36°C / 20°C | 35°C / 17°C | 0days (0 mm) Excellent | 10.8h Excellent | 27% Comfortable | 6.4 High | Good | View Details |
| December best | 33°C / 18°C | 30°C / 14°C | 0days (0 mm) Excellent | 10.4h Excellent | 22% Comfortable | 5.9 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Kollo are January, February, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Kollo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Kollo is April, with average daytime highs of 42°C (107°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Kollo is January, with average overnight lows of 17°C (62°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Kollo is August, averaging 146mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Kollo runs through August, July, with the heaviest rainfall in August. Based on 10-year averages for Kollo.
Kollo receives approximately 129 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Kollo.
The least favorable months to visit Kollo are June, July, August, September, primarily due to extreme heat, oppressive humidity. For the best conditions, consider January, February, December instead.
The annual average UV index in Kollo is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Kollo is 40%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Kollo are 17 km/h (11 mph). The windiest month is May with peak winds reaching 20 km/h (12 mph) (gusts up to 37 km/h / 23 mph).
Kollo averages 9 clear-sky days per month with overall cloud cover around 43%. The clearest skies occur in December.
The annual average dew point in Kollo is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Kollo has a Hot Desert climate, classified as BWh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Kollo ranges from 23°C (73°F) to 37°C (99°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Kollo, with a climate score of 3.1/10. Consider visiting during January, February, December instead for better conditions.
For June in Kollo, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 38°C (101°F) and 5 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.
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