Waterloo, Sierra Leone — Weather in May 2027

Climate Overview

Waterloo, Sierra Leone in May has hot conditions, with highs reaching 29.4°C (85°F) and afternoons the warmest part of the day. Rain falls on about 24 days this month, totalling around 189 mm. Sea temperature reaches 30.4°C (87°F).

This month falls at the end of Spring.

Temperatures remain fairly steady throughout May, with daily highs around 29°C (84°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 10.2h of sunshine at the start of May, decreasing to 8.6h by the end.

The warmest days tend to fall around the 2th, averaging 29.8°C (86°F).

Compared to April, this month is about 1°C cooler with 15 more rainy days.

Monthly May Averages

Temperature

29°C / 26°C

Feels Like

36°C / 31°C

Rain

24 days · 189 mm

Sunshine

9.8h / day

Humidity

83% — Very Muggy

Wind

13 km/h

Wind Direction

WSW (245°)

Gusts

27 km/h

Daylight

12.5 h

Cloud Cover

76%

Clear Sky Days

0.1

UV Index

7.2 — Very High

Sea Temperature

30°C

Dew Point

25°C — Oppressive

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:35

Daylight 12.5h

Sunset 19:05

What to Expect

Daytime temperatures around 29°C (85°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

Recent yearly records for May have stayed close to the long-run average.

Compare Months

3days (10 mm) Excellent

2days (10 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	30°C / 26°C	36°C / 30°C	3days (10 mm) Excellent	10.2h Excellent	78% Humid	7.6 Very High	Fair	View Details
February best	31°C / 26°C	36°C / 30°C	2days (10 mm) Excellent	10.6h Excellent	78% Humid	8.6 Very High	Fair	View Details
March best	30°C / 26°C	36°C / 30°C	4days (14 mm) Good	11h Excellent	78% Humid	9 Very High	Fair	View Details
April	30°C / 26°C	36°C / 31°C	9days (46 mm) Wet	10.9h Excellent	79% Humid	8.7 Very High	Poor	View Details
May	29°C / 26°C	36°C / 31°C	24days (189 mm) Wet	9.8h Good	83% Humid	7.2 Very High	Wet	View Details
June	28°C / 25°C	34°C / 30°C	29days (500 mm) Wet	8.3h Good	86% Very Muggy	7 High	Wet	View Details
July best	27°C / 24°C	31°C / 28°C	30days (840 mm) Wet	6.8h Fair	87% Very Muggy	6 High	Wet	View Details
August best	27°C / 24°C	31°C / 28°C	30days (799 mm) Wet	6.3h Fair	88% Very Muggy	6.2 High	Wet	View Details
September	27°C / 24°C	32°C / 29°C	29days (693 mm) Wet	6.9h Fair	88% Very Muggy	6.8 High	Wet	View Details
October	28°C / 25°C	35°C / 30°C	29days (264 mm) Wet	8.9h Good	87% Very Muggy	7.4 Very High	Wet	View Details
November	29°C / 25°C	36°C / 31°C	22days (129 mm) Wet	10.1h Excellent	85% Humid	7.5 Very High	Wet	View Details
December	30°C / 26°C	36°C / 31°C	9days (38 mm) Wet	10.3h Excellent	80% Humid	7.4 Very High	Fair	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

Expand all

Is May a good time to visit Waterloo?

May is typically wet for visiting Waterloo, with average highs of 29°C (85°F) and around 24 rainy days. Waterloo, Sierra Leone in May has hot conditions, with highs reaching 29.4°C (85°F) and afternoons the warmest part of t

Does it rain a lot in Waterloo in May?

Waterloo typically sees around 24 rainy days in May with 189 mm (7.4 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Waterloo in May?

Nights stay pleasantly warm in Waterloo during May, around 26°C (79°F). Light evening wear is sufficient.

What should I pack for Waterloo in May?

With highs of 29°C (85°F) and lows of 26°C (79°F) in May, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

Is May among the best months weather-wise in Waterloo?

May is not the most favourable month weather-wise in Waterloo. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Waterloo in May?

The average UV index in Waterloo during May is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Waterloo in May?

Waterloo gets approximately 13 hours of daylight per day in May, with around 10 hours of sunshine.

Does it snow in Waterloo in May?

Snow is uncommon in Waterloo during May based on 10-year climate averages.

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