Déressia weather in May

In May, Déressia sees average daytime highs of 37°C and overnight lows near 27°C, with 60 mm of rain across 11.4 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 38°C in the first days to 35°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Déressia's 8th-clearest and 6th-windiest month. For the whole year in context, see Déressia's year-round climate.

Daytime high
37°
4th warmest
Overnight low
27°
11th coldest
Rainfall
60 mm
11.4 wet days
Daylight
12 h 24 min
5:38 AM – 6:05 PM
Cloud cover
60%
8th clearest
Wind
9 km/h
6th windiest
Solar energy
6.08 kWh/m²
Travel score
1.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 38°C in the first days to 35°C by the end.

A typical May day in Déressia reaches about 37°C in the afternoon and slips back to 27°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 40°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13928
23828
33828
43828
53827
63827
73827
83827
93827
103827
113827
123727
133727
143727
153727
163727
173727
183727
193727
203627
213627
223626
233626
243626
253626
263626
273526
283526
293526
303526
313526

How May really feels in Déressia

Once humidity and wind are folded in, May 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
29 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Déressia weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 18°0011.53.3
Feb38° / 22°0011.71.4
Mar40° / 25°20.511.90.0
Apr40° / 28°164.412.20.2
May37° / 27°6011.412.41.5
Jun33° / 25°9314.412.62.9
Jul31° / 23°18623.512.53.1
Aug30° / 23°24126.312.33.1
Sep31° / 23°16021.812.13.2
Oct33° / 23°499.811.83.4
Nov35° / 21°10.411.62.9
Dec35° / 18°0011.43.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
45050
55149
65149
75050
85149
95149
105149
115248
125248
135347
145347
155347
165347
175347
185347
195347
205248
215149
225149
235149
245050
255050
264951
274852
284852
294753
304753
314753

Chance of precipitation in May

Any precipitation

Déressia gets around 60 mm of rain over 11.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
127
228
329
430
531
631
732
833
933
1034
1134
1234
1335
1435
1536
1636
1736
1837
1938
2038
2139
2240
2341
2442
2543
2643
2744
2845
2945
3046
3146

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1752447170
2742347180
3642248200
4542248210
5532149220
6432049240
7431950250
8321851260
9321850280
10221750290
11221650300
12221550310
13121451320
14111352330
15111251350
16111151360
17011052370
1801951390
1901950400
2001849420
2101748440
2201746460
2301645480
2401643500
2501542520
2600440560
2700438580
2800336610
2900334630
3000333631
3100231661

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:42 AM to 5:37 AM, and sunset from 6:02 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:426:02
212.35:426:02
312.45:416:03
412.45:416:03
512.45:416:03
612.45:406:03
712.45:406:03
812.45:406:03
912.45:396:03
1012.45:396:03
1112.45:396:04
1212.45:396:04
1312.45:386:04
1412.45:386:04
1512.45:386:04
1612.45:386:05
1712.55:386:05
1812.55:376:05
1912.55:376:05
2012.55:376:05
2112.55:376:06
2212.55:376:06
2312.55:376:06
2412.55:376:06
2512.55:376:07
2612.55:376:07
2712.55:376:07
2812.55:376:07
2912.55:376:08
3012.55:376:08
3112.55:376:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.08 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.98 kWh/m² in March across the year — May's 6.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.0Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
266.0Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Déressia

In seasonPeak

In May, Déressia sits inside its dust season. The full year is below, with each hazard's peak months called out.

Déressia's monsoon runs July–September, when most of the year's rain falls.

Déressia sees seasonal dust haze (March–June), heaviest in March.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Déressia?

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

1.5
Sightseeing
9th-best month of the year
4.1
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Déressia.

What to pack for Déressia in May

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

In May, Déressia sees daytime highs around 37°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Déressia in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Déressia peaks around March 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 15UV 13Dec 14UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May10Very high
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Déressia in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Déressia is worst in March — around 62 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (July, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1360 µg/m³Jul 1813 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb53Poor
Mar62Unhealthy
Apr36Poor
May19Moderate
Jun17Moderate
Jul13Moderate
Aug16Moderate
Sep18Moderate
Oct25Moderate
Nov31Moderate
Dec52Poor
Location & terrain

Where is Déressia?

Déressia sits at 9.8°N, 16.3°E, 346 m above sea level, in Chad. The nearest listed city is Laï, 41 km away.

BongorBébédja

Topography around Déressia

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

Within 3 km, the terrain around Déressia has only modest variations in elevation — a maximum elevation change of 8 m around an average of 345 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 22 m; within 80 km, only modest variations in elevation — a maximum elevation change of 187 m.

The land around Déressia is covered by cropland (66%) and grassland (28%) within 3 km, grassland (63%) and cropland (26%) within 16 km, and grassland (45%), cropland (32%) and shrubs (21%) within 80 km.

3 km
8 m
16 km
22 m
80 km
187 m
treesshrubsgrasslandcroplandartificial surfaceswetland
May weather nearby: Laï 41 km · Béré 51 km · Kelo 71 km · Gounou Gaya 84 km · Benoy 87 km · Bousso 94 km · Bongor 114 km · Bébédja 125 km

Chad travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / E / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,022
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
6%
of population, 2024
Road deaths
32.4
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 52%Protestant 24%Roman Catholic 20%none 3%

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 Déressia (9.7602°, 16.2698°, elevation 346 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).