Sam, Benin experiences average highs of 35°C (95°F) and lows of 23°C (73°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Sam, Benin Weather & Climate 2026
Monthly climate averages for Sam, Benin. 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
5.5/10
Best: January, February, November, December
UV Index
7
High
Temperature 35°C / 23°C
Feels Like 37°C / 24°C
Rainy Days 8
Rainfall 66 mm
Sunshine 10 h
Humidity 50%
Wind Speed 15 km/h
Dew Point 15°C
Hottest Month
40°C
March
Avg Low25°C
Rain1days
Coldest Month
20°C
January
Avg High35°C
Rain0days
Driest Month
0days
January
Avg High35°C
Avg Low20°C
Windiest Month
17 km/h
April (Gusts 35)
Worst Time to Visit
Consider avoiding April, May, June, August due to extreme heat, frequent rain, oppressive humidity.
Sun Position
Sunrise 06:28
Daylight 12.8h
Sunset 19:14
Live conditions—
Sam on the map · live conditions
Sam, Benin
- Continent
- Africa
- Country
- Benin
- City
- Sam
- Population
- 12K
- Coordinates
- 11.03°, 2.73°
Seasonal Breakdown
Spring
Mar–May
Avg High 39°C
Avg Low 26°C
Rain 5 days/mo
Summer
Jun–Aug
Avg High 31°C
Avg Low 24°C
Rain 19 days/mo
Autumn
Sep–Nov
Avg High 33°C
Avg Low 22°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 35°C
Avg Low 20°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: 35°C / 20°C . Feb: 37°C / 22°C . Mar: 40°C / 25°C . Apr: 40°C / 27°C . May: 38°C / 27°C . Jun: 34°C / 25°C . Jul: 31°C / 23°C . Aug: 29°C / 23°C . Sep: 30°C / 23°C . Oct: 33°C / 23°C . Nov: 36°C / 21°C . Dec: 35°C / 20°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 0 mm. Feb: 1 mm. Mar: 7 mm. Apr: 19 mm. May: 44 mm. Jun: 85 mm. Jul: 173 mm. Aug: 255 mm. Sep: 164 mm. Oct: 46 mm. Nov: 0 mm. Dec: 0 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 18%. Feb: 14%. Mar: 27%. Apr: 42%. May: 56%. Jun: 68%. Jul: 79%. Aug: 84%. Sep: 84%. Oct: 69%. Nov: 37%. Dec: 24%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 15 km/h . Apr: 17 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 12 km/h . Oct: 12 km/h . Nov: 13 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 11h. Mar: 11h. Apr: 11h. May: 11h. Jun: 11h. Jul: 10h. Aug: 9h. Sep: 9h. Oct: 11h. Nov: 11h. Dec: 11h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 7. Mar: UV 8. Apr: UV 8. May: UV 8. Jun: UV 8. Jul: UV 7. Aug: UV 6. Sep: UV 7. Oct: UV 7. Nov: UV 7. 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 | Apr 2025 · 41°C | Mar · 40°C |
| Coldest month | Jan 2025 · 20°C | Jan · 20°C |
| Wettest month | Aug 2025 · 383 mm | Aug · 255 mm |
| Windiest month | May 2025 · 17 km/h | Apr · 17 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Fair April
Poor May
Poor June
Poor July
Wet August
Wet September
Wet October
Fair November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 35°C / 20°C | 32°C / 16°C | 0days (0 mm) Excellent | 10.3h Excellent | 18% Comfortable | 6.5 High | Excellent | View Details |
| February best | 37°C / 22°C | 35°C / 18°C | 0days (1 mm) Excellent | 10.7h Excellent | 14% Comfortable | 7.3 Very High | Excellent | View Details |
| March | 40°C / 25°C | 40°C / 25°C | 1days (7 mm) Excellent | 10.9h Excellent | 27% Comfortable | 7.9 Very High | Fair | View Details |
| April | 40°C / 27°C | 42°C / 29°C | 4days (19 mm) Good | 11.1h Excellent | 42% Moderate | 7.9 Very High | Poor | View Details |
| May | 38°C / 27°C | 42°C / 30°C | 9days (44 mm) Wet | 10.9h Excellent | 56% Moderate | 7.7 Very High | Poor | View Details |
| June | 34°C / 25°C | 39°C / 28°C | 14days (85 mm) Wet | 10.8h Excellent | 68% Muggy | 7.5 Very High | Poor | View Details |
| July | 31°C / 23°C | 36°C / 27°C | 21days (173 mm) Wet | 9.9h Good | 79% Humid | 6.9 High | Wet | View Details |
| August | 29°C / 23°C | 34°C / 26°C | 23days (255 mm) Wet | 8.6h Good | 84% Humid | 6.4 High | Wet | View Details |
| September | 30°C / 23°C | 36°C / 26°C | 20days (164 mm) Wet | 9.4h Good | 84% Humid | 7.3 Very High | Wet | View Details |
| October | 33°C / 23°C | 38°C / 25°C | 7days (46 mm) Good | 10.5h Excellent | 69% Muggy | 7 High | Fair | View Details |
| November best | 36°C / 21°C | 36°C / 21°C | 0days (0 mm) Excellent | 10.9h Excellent | 37% Comfortable | 6.5 High | Excellent | View Details |
| December best | 35°C / 20°C | 33°C / 17°C | 0days (0 mm) Excellent | 10.6h Excellent | 24% Comfortable | 6.1 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Sam are January, February, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Sam, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Sam is March, with average daytime highs of 40°C (104°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Sam is January, with average overnight lows of 20°C (67°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Sam is August, averaging 255mm of precipitation across 23 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Sam runs through August, July, September, June, with the heaviest rainfall in August. Based on 10-year averages for Sam.
Sam receives approximately 125 sunshine hours per year. The sunniest month is April with around 11 hours. Based on climate data for Sam.
The least favorable months to visit Sam are April, May, June, August, primarily due to extreme heat, frequent rain, oppressive humidity. For the best conditions, consider January, February, November, December instead.
The annual average UV index in Sam is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Sam is 50%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Sam are 15 km/h (9 mph). The windiest month is April with peak winds reaching 17 km/h (11 mph) (gusts up to 35 km/h / 22 mph).
Sam averages 6 clear-sky days per month with overall cloud cover around 52%. The clearest skies occur in January.
The annual average dew point in Sam is 15°C (59°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Sam has a Hot Semi-Arid climate, classified as BSh 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 Sam ranges from 24°C (75°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 Sam, with a climate score of 2.9/10. Consider visiting during January, February, November, December instead for better conditions.
For June in Sam, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 34°C (93°F) and 14 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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