Mareth weather in May
In May, Mareth sees average daytime highs of 28°C and overnight lows near 18°C, with 5 mm of rain across 1.3 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 27°C in the first days to 30°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 hours by month's end. Set against the rest of the year, May is Mareth's 5th-clearest and 5th-windiest month. For the whole year in context, see Mareth's year-round climate.
- Daytime high
- 28°
- 5th warmest
- Overnight low
- 18°
- 7th coldest
- Rainfall
- 5 mm
- 1.3 wet days
- Daylight
- 13 h 42 min
- 5:23 AM – 7:07 PM
- Cloud cover
- 31%
- 5th clearest
- Wind
- 15 km/h
- 5th windiest
- Solar energy
- 7.24 kWh/m²
- Travel score
- 7.6
- out of 10
Temperature in May
Highs climb over the month, from about 27°C in the first days to 30°C by the end.
A typical May day in Mareth reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 35°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 16 |
| 2 | 27 | 16 |
| 3 | 27 | 16 |
| 4 | 27 | 16 |
| 5 | 27 | 17 |
| 6 | 27 | 17 |
| 7 | 27 | 17 |
| 8 | 28 | 17 |
| 9 | 28 | 17 |
| 10 | 28 | 17 |
| 11 | 28 | 17 |
| 12 | 28 | 17 |
| 13 | 28 | 17 |
| 14 | 28 | 18 |
| 15 | 28 | 18 |
| 16 | 28 | 18 |
| 17 | 28 | 18 |
| 18 | 29 | 18 |
| 19 | 29 | 18 |
| 20 | 29 | 18 |
| 21 | 29 | 18 |
| 22 | 29 | 18 |
| 23 | 29 | 18 |
| 24 | 29 | 18 |
| 25 | 29 | 19 |
| 26 | 29 | 19 |
| 27 | 29 | 19 |
| 28 | 29 | 19 |
| 29 | 30 | 19 |
| 30 | 30 | 19 |
| 31 | 30 | 19 |
How May really feels in Mareth
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mareth 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 16° / 8° | 16 | 3.1 | 10 | 6.3 |
| Feb | 18° / 9° | 14 | 2.7 | 10.8 | 7.1 |
| Mar | 21° / 11° | 18 | 2.6 | 11.7 | 8.0 |
| Apr | 24° / 14° | 11 | 2.1 | 12.8 | 8.7 |
| May | 28° / 18° | 5 | 1.3 | 13.7 | 7.6 |
| Jun | 32° / 21° | 1 | 0.3 | 14.2 | 5.3 |
| Jul | 35° / 24° | 0 | 0.1 | 14 | 3.6 |
| Aug | 35° / 25° | 2 | 0.5 | 13.2 | 3.4 |
| Sep | 32° / 23° | 17 | 2.6 | 12.2 | 5.1 |
| Oct | 28° / 19° | 21 | 3 | 11.2 | 7.4 |
| Nov | 22° / 13° | 14 | 3 | 10.3 | 8.2 |
| Dec | 17° / 9° | 18 | 3.1 | 9.8 | 7.0 |
Cloud cover in May
The sky is clear or mostly clear about 67% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 21%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 80 | 80 | 80 | 81 | 80 | 80 | 80 | 80 | 79 | 79 | 78 | 78 | 78 | 77 | 77 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 78 | 78 | 78 | 79 | 81 | 81 | 82 | 82 | 83 |
| Cloudier (%) | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 19 | 19 | 18 | 18 | 17 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 80 | 20 |
| 2 | 80 | 20 |
| 3 | 80 | 20 |
| 4 | 81 | 19 |
| 5 | 80 | 20 |
| 6 | 80 | 20 |
| 7 | 80 | 20 |
| 8 | 80 | 20 |
| 9 | 79 | 21 |
| 10 | 79 | 21 |
| 11 | 78 | 22 |
| 12 | 78 | 22 |
| 13 | 78 | 22 |
| 14 | 77 | 23 |
| 15 | 77 | 23 |
| 16 | 76 | 24 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 76 | 24 |
| 20 | 77 | 23 |
| 21 | 77 | 23 |
| 22 | 77 | 23 |
| 23 | 78 | 22 |
| 24 | 78 | 22 |
| 25 | 78 | 22 |
| 26 | 79 | 21 |
| 27 | 81 | 19 |
| 28 | 81 | 19 |
| 29 | 82 | 18 |
| 30 | 82 | 18 |
| 31 | 83 | 17 |
Chance of precipitation in May
Mareth gets around 5 mm of rain over 1.3 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 4% and peaks near 7% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Rain chance (%) | |
|---|---|
| 1 | 7 |
| 2 | 6 |
| 3 | 6 |
| 4 | 6 |
| 5 | 6 |
| 6 | 5 |
| 7 | 5 |
| 8 | 5 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 4 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 4 |
| 22 | 4 |
| 23 | 4 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 4 |
Humidity in May
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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 77 | 76 | 75 | 75 | 74 | 73 | 71 | 71 | 70 | 69 | 68 | 68 | 66 | 66 | 65 | 63 | 63 | 61 | 60 | 58 | 55 | 53 | 52 | 50 | 49 | 47 | 45 | 43 | 41 | 39 | 37 |
| Comfortable (%) | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 |
| Humid (%) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 20 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 77 | 21 | 2 | 0 |
| 2 | 76 | 22 | 2 | 0 |
| 3 | 75 | 23 | 2 | 0 |
| 4 | 75 | 23 | 2 | 0 |
| 5 | 74 | 24 | 2 | 0 |
| 6 | 73 | 25 | 2 | 0 |
| 7 | 71 | 26 | 3 | 0 |
| 8 | 71 | 26 | 3 | 0 |
| 9 | 70 | 27 | 3 | 0 |
| 10 | 69 | 28 | 3 | 0 |
| 11 | 68 | 28 | 4 | 0 |
| 12 | 68 | 28 | 4 | 0 |
| 13 | 66 | 29 | 5 | 0 |
| 14 | 66 | 29 | 5 | 0 |
| 15 | 65 | 29 | 6 | 0 |
| 16 | 63 | 30 | 7 | 0 |
| 17 | 63 | 30 | 7 | 0 |
| 18 | 61 | 31 | 8 | 0 |
| 19 | 60 | 31 | 9 | 0 |
| 20 | 58 | 32 | 10 | 0 |
| 21 | 55 | 33 | 11 | 1 |
| 22 | 53 | 34 | 12 | 1 |
| 23 | 52 | 34 | 13 | 1 |
| 24 | 50 | 35 | 14 | 1 |
| 25 | 49 | 36 | 15 | 1 |
| 26 | 47 | 37 | 15 | 1 |
| 27 | 45 | 38 | 16 | 1 |
| 28 | 43 | 39 | 17 | 1 |
| 29 | 41 | 40 | 18 | 1 |
| 30 | 39 | 41 | 19 | 1 |
| 31 | 37 | 42 | 20 | 1 |
Wind in May
Winds average 15 km/h in May.
Across May, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in May
Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over May. Sunrise moves from 5:36 AM to 5:15 AM, and sunset from 6:56 PM to 7:18 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 |
| Sunrise (AM) | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:25 | 5:25 | 5:24 | 5:23 | 5:22 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:19 | 5:18 | 5:17 | 5:17 | 5:16 | 5:16 | 5:16 | 5:15 | 5:15 |
| Sunset (PM) | 6:56 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:00 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:09 | 7:09 | 7:10 | 7:11 | 7:12 | 7:12 | 7:13 | 7:14 | 7:14 | 7:15 | 7:16 | 7:16 | 7:17 | 7:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 5:36 | 6:56 |
| 2 | 13.4 | 5:35 | 6:56 |
| 3 | 13.4 | 5:34 | 6:57 |
| 4 | 13.4 | 5:33 | 6:58 |
| 5 | 13.4 | 5:32 | 6:59 |
| 6 | 13.5 | 5:31 | 7:00 |
| 7 | 13.5 | 5:31 | 7:00 |
| 8 | 13.5 | 5:30 | 7:01 |
| 9 | 13.6 | 5:29 | 7:02 |
| 10 | 13.6 | 5:28 | 7:03 |
| 11 | 13.6 | 5:27 | 7:03 |
| 12 | 13.6 | 5:26 | 7:04 |
| 13 | 13.7 | 5:25 | 7:05 |
| 14 | 13.7 | 5:25 | 7:06 |
| 15 | 13.7 | 5:24 | 7:06 |
| 16 | 13.7 | 5:23 | 7:07 |
| 17 | 13.8 | 5:22 | 7:08 |
| 18 | 13.8 | 5:22 | 7:09 |
| 19 | 13.8 | 5:21 | 7:09 |
| 20 | 13.8 | 5:20 | 7:10 |
| 21 | 13.9 | 5:20 | 7:11 |
| 22 | 13.9 | 5:19 | 7:12 |
| 23 | 13.9 | 5:19 | 7:12 |
| 24 | 13.9 | 5:18 | 7:13 |
| 25 | 13.9 | 5:17 | 7:14 |
| 26 | 14.0 | 5:17 | 7:14 |
| 27 | 14.0 | 5:16 | 7:15 |
| 28 | 14.0 | 5:16 | 7:16 |
| 29 | 14.0 | 5:16 | 7:16 |
| 30 | 14.0 | 5:15 | 7:17 |
| 31 | 14.0 | 5:15 | 7:18 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.24 kWh/m².
For context, solar energy here swings from a low near 2.95 kWh/m² to a high of 7.75 kWh/m² in July across the year — May's 7.24 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.1 | Intense |
| 2 | 7.1 | Intense |
| 3 | 7.1 | Intense |
| 4 | 7.1 | Intense |
| 5 | 7.1 | Intense |
| 6 | 7.2 | Intense |
| 7 | 7.2 | Intense |
| 8 | 7.2 | Intense |
| 9 | 7.2 | Intense |
| 10 | 7.2 | Intense |
| 11 | 7.2 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.2 | Intense |
| 16 | 7.2 | Intense |
| 17 | 7.2 | Intense |
| 18 | 7.2 | Intense |
| 19 | 7.2 | Intense |
| 20 | 7.3 | Intense |
| 21 | 7.3 | Intense |
| 22 | 7.3 | Intense |
| 23 | 7.3 | Intense |
| 24 | 7.3 | Intense |
| 25 | 7.3 | Intense |
| 26 | 7.3 | Intense |
| 27 | 7.3 | Intense |
| 28 | 7.4 | Intense |
| 29 | 7.4 | Intense |
| 30 | 7.4 | Intense |
| 31 | 7.4 | Intense |
Hazard calendar for Mareth
In May, Mareth sits inside its dust season. The full year is below, with each hazard's peak months called out.
Mareth sees seasonal dust haze (April–June), heaviest in April.
Is May a good time to visit Mareth?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Mareth for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mareth in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Mareth sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection.
Sea temperature near Mareth in May
The nearest coast averages about 21°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in August at about 29°C and coldest in February near 14°C.
It's comfortable for a long swim from May 8 to Nov 26 — about 6.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 15 | 18 | 21 | 24 | 27 | 29 | 28 | 25 | 22 | 17 |
| Comfort | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 15 | Cool |
| Apr | 18 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 25 | Warm |
| Nov | 22 | Refreshing |
| Dec | 17 | Cool |
UV index in Mareth in May
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 Mareth peaks around June 21 at about 10 (extreme) — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 6 | 7 | 11 | 10 | 9 | 8 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Mareth in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Mareth is worst in January — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (July, 12 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) | 40 | 33 | 34 | 29 | 21 | 16 | 12 | 12 | 16 | 22 | 30 | 32 |
| Level | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 40 | Poor |
| Feb | 33 | Moderate |
| Mar | 34 | Moderate |
| Apr | 29 | Moderate |
| May | 21 | Moderate |
| Jun | 16 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Moderate |
| Sep | 16 | Moderate |
| Oct | 22 | Moderate |
| Nov | 30 | Moderate |
| Dec | 32 | Moderate |
Where is Mareth?
Mareth sits at 33.6°N, 10.3°E, 51 m above sea level, in Tunisia. The nearest listed city is Teboulbou, 30 km away.
Topography around Mareth
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mareth.
Within 3 km, the terrain around Mareth has only modest variations in elevation — a maximum elevation change of 37 m around an average of 50 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.
The land around Mareth is covered by cropland (47%) within 3 km, bare terrain (34%) and grassland (31%) within 16 km, and bare terrain (54%) and water (28%) within 80 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
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 Mareth (33.6179°, 10.2854°, elevation 51 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).