Nefta weather in May

In May, Nefta sees average daytime highs of 33°C and overnight lows near 21°C, with 4 mm of rain across 1 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 35°C by the end. The sky is clear or mostly clear about 67% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Nefta's 10th-clearest and 2nd-windiest month. For the whole year in context, see Nefta's year-round climate.

Daytime high
33°
5th warmest
Overnight low
21°
8th coldest
Rainfall
4 mm
1 wet days
Daylight
13 h 48 min
5:32 AM – 7:17 PM
Cloud cover
30%
10th clearest
Wind
18 km/h
2nd windiest
Solar energy
7.39 kWh/m²
Travel score
4.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 35°C by the end.

A typical May day in Nefta reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 39°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

20°30°40°151015202531
Avg high (°C)Avg low (°C)
13118
23118
33119
43119
53119
63219
73219
83219
93220
103220
113220
123320
133320
143320
153320
163321
173321
183321
193321
203321
213421
223421
233421
243422
253422
263422
273422
283522
293522
303522
313523

How May really feels in Nefta

Once humidity and wind are folded in, May averages 23 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
23
heat index over the day's high
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.

Nefta weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 112.3107.1
Feb19° / 71.610.78.0
Mar24° / 12°101.911.78.7
Apr28° / 16°91.912.87.7
May33° / 21°4113.74.6
Jun38° / 25°10.214.21.5
Jul41° / 27°00.1140.0
Aug40° / 27°10.513.30.2
Sep36° / 24°91.612.22.9
Oct30° / 19°91.811.16.4
Nov23° / 12°111.710.28.5
Dec18° / 929.87.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48416
58416
68317
78317
88317
98218
108218
118119
128020
137921
147921
157822
167822
177624
187624
197624
207624
217723
227723
237723
247822
257822
267921
278020
288020
298119
308218
318416

Chance of precipitation in May

Any precipitation

Nefta gets around 4 mm of rain over 1 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
303
312

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19460
29460
39370
49370
59370
69280
79280
89280
99280
109190
119190
129190
1390100
1490100
1589110
1688111
1787121
1887121
1986131
2086131
2185141
2284151
2383161
2483161
2582171
2681181
2780191
2880191
2979201
3078211
3177221

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:46 AM to 5:24 AM, and sunset from 7:06 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:467:06
213.45:457:06
313.45:447:07
413.45:437:08
513.55:427:09
613.55:417:10
713.55:407:10
813.55:397:11
913.65:387:12
1013.65:377:13
1113.65:367:14
1213.75:357:14
1313.75:347:15
1413.75:347:16
1513.75:337:17
1613.85:327:17
1713.85:317:18
1813.85:317:19
1913.85:307:20
2013.85:297:20
2113.95:297:21
2213.95:287:22
2313.95:287:22
2413.95:277:23
2514.05:267:24
2614.05:267:25
2714.05:267:25
2814.05:257:26
2914.05:257:27
3014.05:247:27
3114.15:247:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.39 kWh/m².

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.84 kWh/m² in June across the year — May's 7.39 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.6Intense
317.6Intense
Planning a trip in May

Hazard calendar for Nefta

In seasonPeak

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

Nefta sees seasonal dust haze (April–September), heaviest in June.

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

Is May a good time to visit Nefta?

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

4.6
Sightseeing
8th-best month of the year
7.9
Beach & pool
3rd-best month of the year

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

What to pack for Nefta in May

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

In May, Nefta sees daytime highs around 33°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Nefta in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nefta peaks around June 19 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 19UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr6High
May7Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Nefta 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 Nefta is worst in April — around 62 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (December, 33 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateApr 1961 µg/m³Dec 1234 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb38Poor
Mar48Poor
Apr62Unhealthy
May56Unhealthy
Jun56Unhealthy
Jul43Poor
Aug39Poor
Sep39Poor
Oct36Poor
Nov36Poor
Dec33Moderate
Location & terrain

Where is Nefta?

Nefta sits at 33.9°N, 7.9°E, 65 m above sea level, in Tunisia. The nearest listed city is Tozeur, 24 km away.

Ar RudayyifMetlaouiMoularèsBir el AterKebiliEl Ksar

Topography around Nefta

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

Within 3 km, the terrain around Nefta has only modest variations in elevation — a maximum elevation change of 122 m around an average of 65 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, large variations in elevation — a maximum elevation change of 954 m.

The land around Nefta is covered by bare terrain (61%) and trees (28%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (99%) within 80 km.

3 km
122 m
16 km
204 m
80 km
954 m
treesshrubsartificial surfacesbare terrain
May weather nearby: Tozeur 24 km · Ar Rudayyif 62 km · Metlaoui 69 km · Moularès 77 km · Debila 95 km · Bir el Ater 98 km · Kebili 103 km · El Ksar 103 km

Tunisia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$4,657
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
65%
of population, 2024
Homicide rate
4.7
per 100k, 2020
Road deaths
16.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 498
Religion
Muslim 99%

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 Nefta (33.8731°, 7.8777°, elevation 65 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).