Diffa, Niger experiences average highs of 35°C (95°F) and lows of 22°C (72°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 stayed broadly stable across the available records.
Diffa, Niger Weather & Climate 2026
Monthly climate averages for Diffa, 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
6.6/10
Best: January, February, November, December
UV Index
7
High
Temperature 35°C / 22°C
Feels Like 35°C / 21°C
Rainy Days 3
Rainfall 24 mm
Sunshine 11 h
Humidity 35%
Wind Speed 16 km/h
Dew Point 9°C
Hottest Month
41°C
May
Avg Low27°C
Rain1days
Coldest Month
15°C
January
Avg High30°C
Rain0days
Driest Month
0days
January
Avg High30°C
Avg Low15°C
Windiest Month
17 km/h
March (Gusts 36)
Worst Time to Visit
Consider avoiding June, July, August, September due to extreme heat, oppressive humidity.
Sun Position
Sunrise 05:44
Daylight 12.9h
Sunset 18:38
Live conditions—
Diffa on the map · live conditions
Diffa, Niger
- Continent
- Africa
- Country
- Niger
- City
- Diffa
- Population
- 54.1K
- Coordinates
- 13.32°, 12.61°
Seasonal Breakdown
Spring
Mar–May
Avg High 40°C
Avg Low 25°C
Rain 0 days/mo
Summer
Jun–Aug
Avg High 35°C
Avg Low 26°C
Rain 9 days/mo
Autumn
Sep–Nov
Avg High 35°C
Avg Low 23°C
Rain 2 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 31°C
Avg Low 16°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: 30°C / 15°C . Feb: 32°C / 17°C . Mar: 38°C / 22°C . Apr: 41°C / 25°C . May: 41°C / 27°C . Jun: 38°C / 27°C . Jul: 35°C / 26°C . Aug: 32°C / 24°C . Sep: 35°C / 25°C . Oct: 37°C / 24°C . Nov: 34°C / 20°C . Dec: 31°C / 16°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 0 mm. Feb: 0 mm. Mar: 0 mm. Apr: 0 mm. May: 2 mm. Jun: 17 mm. Jul: 54 mm. Aug: 166 mm. Sep: 39 mm. Oct: 5 mm. Nov: 0 mm. Dec: 0 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 20%. Feb: 16%. Mar: 12%. Apr: 13%. May: 27%. Jun: 45%. Jul: 62%. Aug: 76%. Sep: 65%. Oct: 35%. Nov: 22%. Dec: 23%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 16 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 15 km/h . Sep: 13 km/h . Oct: 14 km/h . Nov: 16 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 11h. Apr: 12h. 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 7. 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 stayed broadly stable 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 | May 2025 · 41°C | May · 41°C |
| Coldest month | Jan 2025 · 16°C | Jan · 15°C |
| Wettest month | Jul 2025 · 62 mm | Aug · 166 mm |
| Windiest month | Mar 2025 · 18 km/h | Mar · 17 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Fair May
Fair June
Poor July
Poor August
Poor September
Poor October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 30°C / 15°C | 26°C / 11°C | 0days (0 mm) Excellent | 10.6h Excellent | 20% Comfortable | 6.3 High | Excellent | View Details |
| February best | 32°C / 17°C | 29°C / 12°C | 0days (0 mm) Excellent | 10.8h Excellent | 16% Comfortable | 7.2 Very High | Excellent | View Details |
| March | 38°C / 22°C | 35°C / 18°C | 0days (0 mm) Excellent | 11.1h Excellent | 12% Comfortable | 8 Very High | Good | View Details |
| April | 41°C / 25°C | 39°C / 21°C | 0days (0 mm) Excellent | 11.6h Excellent | 13% Comfortable | 8.3 Very High | Fair | View Details |
| May | 41°C / 27°C | 42°C / 26°C | 1days (2 mm) Excellent | 11.8h Excellent | 27% Comfortable | 8.3 Very High | Fair | View Details |
| June | 38°C / 27°C | 41°C / 29°C | 3days (17 mm) Excellent | 11.5h Excellent | 45% Moderate | 8 Very High | Poor | View Details |
| July | 35°C / 26°C | 39°C / 29°C | 8days (54 mm) Wet | 10.8h Excellent | 62% Muggy | 7.6 Very High | Poor | View Details |
| August | 32°C / 24°C | 36°C / 27°C | 17days (166 mm) Wet | 10h Excellent | 76% Humid | 7.1 Very High | Poor | View Details |
| September | 35°C / 25°C | 40°C / 28°C | 6days (39 mm) Good | 10.8h Excellent | 65% Muggy | 7.3 Very High | Poor | View Details |
| October | 37°C / 24°C | 37°C / 23°C | 1days (5 mm) Excellent | 10.8h Excellent | 35% Comfortable | 7.1 Very High | Good | View Details |
| November best | 34°C / 20°C | 32°C / 17°C | 0days (0 mm) Excellent | 10.5h Excellent | 22% Comfortable | 6.3 High | Excellent | View Details |
| December best | 31°C / 16°C | 27°C / 13°C | 0days (0 mm) Excellent | 10.3h Excellent | 23% Comfortable | 5.8 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Diffa are January, February, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Diffa, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Diffa is May, with average daytime highs of 41°C (106°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Diffa is January, with average overnight lows of 15°C (59°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Diffa is August, averaging 166mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
Diffa receives approximately 131 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Diffa.
The least favorable months to visit Diffa are June, July, August, September, primarily due to extreme heat, oppressive humidity. For the best conditions, consider January, February, November, December instead.
The annual average UV index in Diffa is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Diffa is 35%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Diffa are 16 km/h (10 mph). The windiest month is March with peak winds reaching 17 km/h (11 mph) (gusts up to 36 km/h / 22 mph).
Diffa averages 10 clear-sky days per month with overall cloud cover around 39%. The clearest skies occur in January.
The annual average dew point in Diffa is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Diffa 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 Diffa ranges from 21°C (70°F) to 35°C (95°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 Diffa, with a climate score of 4.1/10. Consider visiting during January, February, November, December instead for better conditions.
For June in Diffa, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 38°C (101°F) and 3 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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