Lethem weather in March

In March, Lethem sees average daytime highs of 32°C and overnight lows near 23°C, with 64 mm of rain across 9.3 wet days and about 12 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 8% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Lethem's 8th-clearest and 3rd-windiest month. For the whole year in context, see Lethem's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
23°
9th coldest
Rainfall
64 mm
9.3 wet days
Daylight
12 hours
6:10 AM – 6:08 PM
Cloud cover
71%
8th clearest
Wind
13 km/h
3rd windiest
Solar energy
5.38 kWh/m²
Travel score
4.1
out of 10

Lethem is Regional Capital of Alto Tcutu-Upper Essequibo, which is controlled by Guyana and claimed by Venezuela.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical March day in Lethem reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313123

How March really feels in Lethem

Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Lethem weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°469.311.84.6
Feb31° / 22°478.211.94.5
Mar32° / 23°649.3124.1
Apr31° / 23°18817.112.13.6
May29° / 22°3862712.23.2
Jun29° / 22°36728.412.23.1
Jul29° / 22°36328.912.23.2
Aug30° / 22°26125.412.13.3
Sep31° / 23°15718.8123.5
Oct32° / 23°11516.411.93.5
Nov32° / 23°11415.611.83.5
Dec31° / 23°7513.611.84.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 23% of March, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
43070
53070
63070
73070
83070
93070
103169
113169
123268
133268
143268
153268
163268
173268
183268
193268
203268
213268
223268
233367
243367
253367
263268
273169
283169
293169
303169
313169

Chance of precipitation in March

Any precipitation

Lethem gets around 64 mm of rain over 9.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
127
227
327
427
527
627
728
828
928
1029
1129
1229
1330
1430
1531
1631
1731
1832
1932
2032
2132
2232
2333
2433
2534
2634
2735
2835
2936
3037
3137

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1176518
2176518
3176518
4176518
5176518
6176518
7186418
8186418
9186319
10196219
11196219
12196120
13196120
14186121
15186022
16176122
17176023
18166024
19166024
20156025
21156025
22155926
23155827
24145927
25145828
26145729
27145630
28135631
29135532
30135433
31135334

Wind in March

Winds average 13 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:15 AM to 6:03 AM, and sunset from 6:10 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:156:10
211.96:146:10
311.96:146:10
411.96:146:10
511.96:136:10
611.96:136:10
711.96:136:10
812.06:126:10
912.06:126:09
1012.06:126:09
1112.06:116:09
1212.06:116:09
1312.06:116:09
1412.06:106:09
1512.06:106:08
1612.06:106:08
1712.06:096:08
1812.06:096:08
1912.06:086:08
2012.06:086:07
2112.06:086:07
2212.06:076:07
2312.06:076:07
2412.06:066:06
2512.06:066:06
2612.06:066:06
2712.06:056:06
2812.06:056:06
2912.06:046:05
3012.06:046:05
3112.06:036:05

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.38 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 5.74 kWh/m² in October across the year — March's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in March

Hazard calendar for Lethem

In seasonPeak

None of Lethem's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 March a good time to visit Lethem?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.1
Sightseeing
3rd-best month of the year
6.3
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Lethem for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lethem in March

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

In March, Lethem sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Lethem in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 15Jul 16UV 11
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Lethem in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 920 µg/m³Aug 2110 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar20Moderate
Apr20Moderate
May14Moderate
Jun12Moderate
Jul11Good
Aug10Good
Sep11Good
Oct12Good
Nov12Moderate
Dec13Moderate
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.

Boa VistaCantáMucajaíPacaraimaAlto AlegreSanta Elena de UairénCaracaraíRorainópolis

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
16 km
832 m
80 km
1,000 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
March 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
Protestant 35%Hindu 25%other Christian 21%Roman Catholic 7%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).