Lethem in Spring

In spring (March, April and May), Lethem sees average daytime highs around 31°C and overnight lows near 23°C, with 637 mm of rain over about 53 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 31°C in early March to 29°C by late May. The sky is clear or mostly clear about 6% of the time across spring, and the air most often feels oppressive.

Spring is Lethem's 2nd-best season to visit on our travel score. For the whole year in context, see Lethem's year-round climate.

Avg daytime high: 31°C; 3rd-warmest season
Avg overnight low: 23°C
Rainfall: 637 mm; 53 wet days
Avg wind: 10 km/h
Travel score: 3.6; 2nd-best season
Months: Mar · Apr · May

← Winter Lethem year-round climate Summer →

Spring Summer Fall Winter

Temperature in Lethem in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 31°C in early March to 29°C by late May.

A typical spring day in Lethem reaches about 31°C and drops to 23°C overnight. The warmest of the three months is March, the coolest May.

How spring really feels in Lethem

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.

Lethem 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	31° / 22°	46	9.3	11.8	4.6
Feb	31° / 22°	47	8.2	11.9	4.5
Mar	32° / 23°	64	9.3	12	4.1
Apr	31° / 23°	188	17.1	12.1	3.6
May	29° / 22°	386	27	12.2	3.2
Jun	29° / 22°	367	28.4	12.2	3.1
Jul	29° / 22°	363	28.9	12.2	3.2
Aug	30° / 22°	261	25.4	12.1	3.3
Sep	31° / 23°	157	18.8	12	3.5
Oct	32° / 23°	115	16.4	11.9	3.5
Nov	32° / 23°	114	15.6	11.8	3.5
Dec	31° / 23°	75	13.6	11.8	4.1

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Lethem gets around 637 mm of rain over 53 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 10 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 54 min in early March to 12 h 12 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 4.7 kWh/m².

Planning a trip in spring

Hazard calendar for Lethem

In seasonPeak

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

Lethem's monsoon runs April–August, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Lethem?

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.

3.6

Sightseeing

2nd-best month of the year

5.2

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Lethem.

What to pack for Lethem in Spring

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

In spring, Lethem sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 53 days see rain.

light clothesrain gearsun protection

UV index in Lethem in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lethem peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 11 (extreme).

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)	14	14	15	15	13	12	11	12	12	12	11	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	11	Extreme
Aug	12	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	11	Extreme

Air quality in Lethem 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 Lethem is worst in April — around 20 µg/m³ PM2.5 (moderate), about 1.9× 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)	15	18	20	20	14	12	11	10	11	12	12	13
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	18	Moderate
Mar	20	Moderate
Apr	20	Moderate
May	14	Moderate
Jun	12	Moderate
Jul	11	Good
Aug	10	Good
Sep	11	Good
Oct	12	Good
Nov	12	Moderate
Dec	13	Moderate

Location & terrain

Where is Lethem?

Lethem sits at 3.4°N, 59.8°W, 0 m above sea level, in Guyana. The nearest listed city is Boa Vista, 115 km away.

Topography around Lethem

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

Within 3 km, the terrain around Lethem has only modest variations in elevation — a maximum elevation change of 23 m around an average of 87 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 832 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.

The land around Lethem is covered by grassland (79%) within 3 km, grassland (85%) within 16 km, and grassland (68%) and trees (30%) within 80 km.

3 km

23 m

grassland 79%

16 km

832 m

grassland 85%

80 km

1,000 m

grassland 68%

treesshrubsgrasslandartificial surfacesbare terrainwaterwetland

← Winter Lethem year-round climate Summer →

Spring weather nearby: Boa Vista 115 km · Cantá 123 km · Mucajaí 161 km · Pacaraima 190 km · Alto Alegre 196 km · Santa Elena de Uairén 200 km · Caracaraí 227 km · Rorainópolis 278 km

Guyana travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B / D / G; 240 V · 60 Hz
Prices: ≈ 33% of US; price level, 2025
GDP per capita: $32,414; 2025
Happiness: 6.0 / 10; World Happiness, 2011
Safe drinking water: 67%; of population, 2024
Homicide rate: 19.1; per 100k, 2023
Road deaths: 22.3; per 100k/yr, 2019
Income group: High; 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 Lethem (3.3726°, -59.7997°, elevation 0 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.