Bumpe, Sierra Leone experiences average highs of 31°C (88°F) and lows of 23°C (73°F) throughout the year. Rainfall is frequent, averaging about 19 rainy days per month. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Bumpe, Sierra Leone Weather & Climate 2026
Monthly climate averages for Bumpe, Sierra Leone. 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, July, August
UV Index
7
High
Temperature 31°C / 23°C
Feels Like 36°C / 28°C
Rainy Days 19
Rainfall 242 mm
Sunshine 8 h
Humidity 85%
Wind Speed 10 km/h
Dew Point 24°C
Hottest Month
35°C
February
Avg Low24°C
Rain3days
Coldest Month
23°C
August
Avg High28°C
Rain29days
Driest Month
2days
January
Avg High34°C
Avg Low23°C
Windiest Month
14 km/h
February (Gusts 31)
Worst Time to Visit
Consider avoiding March, April, May due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:32
Daylight 12.6h
Sunset 19:07
Live conditions—
Bumpe on the map · live conditions
Bumpe, Sierra Leone
- Continent
- Africa
- Country
- Sierra Leone
- City
- Bumpe
- Population
- 16.1K
- Coordinates
- 7.89°, -11.91°
Seasonal Breakdown
Spring
Mar–May
Avg High 33°C
Avg Low 24°C
Rain 18 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 23°C
Rain 29 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 29°C
Avg Low 23°C
Rain 25 days/mo
Winter
Dec–Feb
Avg High 34°C
Avg Low 23°C
Rain 4 days/mo
1/3 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: 34°C / 23°C . Feb: 35°C / 24°C . Mar: 35°C / 24°C . Apr: 33°C / 25°C . May: 31°C / 24°C . Jun: 29°C / 23°C . Jul: 28°C / 23°C . Aug: 28°C / 23°C . Sep: 28°C / 23°C . Oct: 29°C / 23°C . Nov: 30°C / 23°C . Dec: 32°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 9 mm. Feb: 19 mm. Mar: 48 mm. Apr: 112 mm. May: 231 mm. Jun: 371 mm. Jul: 497 mm. Aug: 593 mm. Sep: 609 mm. Oct: 276 mm. Nov: 111 mm. Dec: 28 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 70%. Mar: 73%. Apr: 81%. May: 88%. Jun: 90%. Jul: 92%. Aug: 92%. Sep: 93%. Oct: 91%. Nov: 89%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 14 km/h . Mar: 13 km/h . Apr: 11 km/h . May: 9 km/h . Jun: 9 km/h . Jul: 10 km/h . Aug: 11 km/h . Sep: 9 km/h . Oct: 8 km/h . Nov: 8 km/h . Dec: 9 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 10h. Apr: 10h. May: 8h. Jun: 8h. Jul: 6h. Aug: 6h. Sep: 6h. Oct: 8h. Nov: 9h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 8. May: UV 8. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 7. Oct: UV 7. Nov: UV 7. Dec: UV 7.
Monthly Daylight Hours
Daylight12h 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 has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 37°C | Feb · 35°C |
| Coldest month | Sep 2025 · 22°C | Aug · 23°C |
| Wettest month | Sep 2025 · 776 mm | Sep · 609 mm |
| Windiest month | Feb 2025 · 15 km/h | Feb · 14 km/h |
Month-by-Month Weather Table
January best
Fair 
February
Poor March
Poor April
Poor May
Wet June
Wet July best
Wet August best
Wet September
Wet October
Wet November
Wet December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 34°C / 23°C | 38°C / 28°C | 2days (9 mm) Excellent | 10.1h Excellent | 73% Muggy | 7 High | Fair | View Details |
| February | 35°C / 24°C | 39°C / 29°C | 3days (19 mm) Excellent | 10.3h Excellent | 70% Muggy | 7.9 Very High | Poor | View Details |
| March | 35°C / 24°C | 40°C / 29°C | 11days (48 mm) Wet | 10.3h Excellent | 73% Muggy | 8.5 Very High | Poor | View Details |
| April | 33°C / 25°C | 39°C / 30°C | 17days (112 mm) Wet | 9.8h Good | 81% Humid | 8.3 Very High | Poor | View Details |
| May | 31°C / 24°C | 37°C / 29°C | 26days (231 mm) Wet | 8.2h Good | 88% Very Muggy | 7.5 Very High | Wet | View Details |
| June | 29°C / 23°C | 35°C / 28°C | 29days (371 mm) Wet | 7.6h Good | 90% Very Muggy | 7.2 Very High | Wet | View Details |
| July best | 28°C / 23°C | 33°C / 27°C | 30days (497 mm) Wet | 6.2h Fair | 92% Very Muggy | 6.5 High | Wet | View Details |
| August best | 28°C / 23°C | 33°C / 27°C | 29days (593 mm) Wet | 5.5h Fair | 92% Very Muggy | 6.3 High | Wet | View Details |
| September | 28°C / 23°C | 34°C / 27°C | 29days (609 mm) Wet | 6.1h Fair | 93% Very Muggy | 6.9 High | Wet | View Details |
| October | 29°C / 23°C | 36°C / 28°C | 28days (276 mm) Wet | 8.1h Good | 91% Very Muggy | 7 High | Wet | View Details |
| November | 30°C / 23°C | 37°C / 28°C | 18days (111 mm) Wet | 9.2h Good | 89% Very Muggy | 6.8 High | Wet | View Details |
| December | 32°C / 23°C | 37°C / 27°C | 7days (28 mm) Good | 10h Excellent | 83% Humid | 6.6 High | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bumpe are January, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bumpe, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bumpe is February, with average daytime highs of 35°C (96°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bumpe is August, with average overnight lows of 23°C (73°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bumpe is September, averaging 609mm of precipitation across 29 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bumpe runs through July, June, August, September, with the heaviest rainfall in July. Based on 10-year averages for Bumpe.
Bumpe receives approximately 101 sunshine hours per year. The sunniest month is February with around 10 hours. Based on climate data for Bumpe.
The least favorable months to visit Bumpe are March, April, May, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, July, August instead.
The annual average UV index in Bumpe is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Bumpe is 85%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Bumpe are 10 km/h (6 mph). The windiest month is February with peak winds reaching 14 km/h (8 mph) (gusts up to 31 km/h / 19 mph).
Bumpe averages 2 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in January.
The annual average dew point in Bumpe is 24°C (75°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Bumpe 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 Bumpe ranges from 28°C (82°F) to 36°C (97°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 Bumpe, with a climate score of 2.8/10. Consider visiting during January, July, August instead for better conditions.
For June in Bumpe, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (85°F) and 29 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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