Bumpe in Spring

In spring (March, April and May), Bumpe sees average daytime highs around 32°C and overnight lows near 24°C, with 442 mm of rain over about 58 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 34°C in early March to 30°C by late May. The sky is clear or mostly clear about 11% of the time across spring, and the air most often feels oppressive.

Spring is Bumpe's weakest season of the year to visit on our travel score. For the whole year in context, see Bumpe's year-round climate.

Avg daytime high: 32°C; 2nd-warmest season
Avg overnight low: 24°C
Rainfall: 442 mm; 58 wet days
Avg wind: 5 km/h
Travel score: 2.9; weakest season of the year
Months: Mar · Apr · May

← Winter Bumpe year-round climate Summer →

Spring Summer Fall Winter

Temperature in Bumpe in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 34°C in early March to 30°C by late May.

A typical spring day in Bumpe reaches about 32°C and drops to 24°C overnight. The warmest of the three months is March, the coolest May.

How spring really feels in Bumpe

Once humidity and wind are folded in, spring brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bumpe weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 22°	19	4.3	11.6	4.4
Feb	34° / 23°	22	4.7	11.7	3.5
Mar	34° / 24°	60	11.9	11.9	3.0
Apr	32° / 24°	126	18.5	12.2	2.9
May	31° / 23°	256	27.5	12.4	2.7
Jun	29° / 23°	354	29.1	12.5	2.8
Jul	28° / 22°	429	29.4	12.4	3.2
Aug	28° / 22°	522	29.5	12.3	3.3
Sep	28° / 22°	459	29.5	12	3.0
Oct	29° / 22°	257	29.7	11.8	2.9
Nov	30° / 22°	107	20.2	11.6	3.8
Dec	31° / 22°	30	7.4	11.5	4.9

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Bumpe gets around 442 mm of rain over 58 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 5 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 48 min in early March to 12 h 24 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².

Planning a trip in spring

Hazard calendar for Bumpe

In seasonPeak

In spring, Bumpe overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.

Bumpe's monsoon runs May–October, when most of the year's rain falls.

Bumpe sees seasonal dust haze (February–April), heaviest in February.

Monsoon

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Bumpe?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.9

Sightseeing

4th-best month of the year

4.8

Beach & pool

2nd-best month of the year

spring is a weaker month for outdoor sightseeing in Bumpe.

What to pack for Bumpe in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Bumpe sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 58 days see rain.

light clothesrain gearsun protection

UV index in Bumpe in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bumpe peaks around August 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	12	12	10	12	11	11	13	13	12	9	8
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	12	Extreme
Mar	12	Extreme
Apr	10	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	9	Very high
Dec	8	Very high

Air quality in Bumpe in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Bumpe is worst in April — around 202 µg/m³ PM2.5 (very unhealthy), about 19.4× the cleanest month (August, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	70	77	194	202	33	19	13	10	11	17	25	50
Level	Unhealthy	Unhealthy	Very unhealthy	Very unhealthy	Moderate	Moderate	Moderate	Good	Good	Moderate	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	70	Unhealthy
Feb	77	Unhealthy
Mar	194	Very unhealthy
Apr	202	Very unhealthy
May	33	Moderate
Jun	19	Moderate
Jul	13	Moderate
Aug	10	Good
Sep	11	Good
Oct	17	Moderate
Nov	25	Moderate
Dec	50	Poor

Location & terrain

Where is Bumpe?

Bumpe sits at 7.9°N, 11.9°W, 38 m above sea level, in Sierra Leone. The nearest listed city is Bo, 20 km away.

Topography around Bumpe

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bumpe.

Within 3 km, the terrain around Bumpe has only modest variations in elevation — a maximum elevation change of 49 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, large variations in elevation — a maximum elevation change of 820 m.

The land around Bumpe is covered by trees (46%) and shrubs (36%) within 3 km, trees (41%), shrubs (38%) and grassland (21%) within 16 km, and trees (57%) and shrubs (20%) within 80 km.

3 km

49 m

trees 46%

16 km

132 m

trees 41%

80 km

820 m

trees 57%

treesshrubsgrasslandartificial surfaceswaterwetlandmangroves

← Winter Bumpe year-round climate Summer →

Spring weather nearby: Bo 20 km · Njala 40 km · Mile 91 72 km · Kenema 79 km · Segbwema 106 km · Makeni 112 km · Lunsar 112 km · Koidu 132 km

Sierra Leone travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type D / G; 230 V · 50 Hz
Prices: ≈ 24% of US; price level, 2025
GDP per capita: $846; 2025
Happiness: 3.3 / 10; World Happiness, 2025
Safe drinking water: 11%; of population, 2024
Homicide rate: 2.2; per 100k, 2020
Road deaths: 33; per 100k/yr, 2019
Income group: Low; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bumpe (7.8921°, -11.9054°, elevation 38 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.